1 #define addgroup_trivial_usage \
2 "[OPTIONS] group_name [user_name]"
3 #define addgroup_full_usage \
4 "Adds a group to the system" \
6 "\t-g\t\tspecify gid\n"
8 #define adduser_trivial_usage \
10 #define adduser_full_usage \
11 "Adds a user to the system" \
13 "\t-h DIR\t\tAssign home directory DIR\n" \
14 "\t-g GECOS\t\tAssign gecos field GECOS\n" \
15 "\t-s SHELL\t\tAssign login shell SHELL\n" \
16 "\t-G\t\tAdd the user to existing group GROUP\n" \
17 "\t-S\t\tcreate a system user (ignored)\n" \
18 "\t-D\t\tDo not assign a password (logins still possible via ssh)\n" \
19 "\t-H\t\tDo not create the home directory\n"
21 #define adjtimex_trivial_usage \
22 "[-q] [-o offset] [-f frequency] [-p timeconstant] [-t tick]"
23 #define adjtimex_full_usage \
24 "Reads and optionally sets system timebase parameters.\n" \
25 "See adjtimex(2).\n\n" \
27 "\t-q\t\tquiet mode - do not print\n" \
28 "\t-o offset\ttime offset, microseconds\n" \
29 "\t-f frequency\tfrequency adjust, integer kernel units (65536 is 1ppm)\n" \
30 "\t\t\t(positive values make the system clock run fast)\n" \
31 "\t-t tick\t\tmicroseconds per tick, usually 10000\n" \
34 #define ar_trivial_usage \
35 "-[ov][ptx] ARCHIVE FILES"
36 #define ar_full_usage \
37 "Extract or list FILES from an ar archive.\n\n" \
39 "\t-o\t\tpreserve original dates\n" \
40 "\t-p\t\textract to stdout\n" \
43 "\t-v\t\tverbosely list files processed\n"
45 #define arping_trivial_usage \
46 "[-fqbDUA] [-c count] [-w timeout] [-I device] [-s sender] target\n"
47 #define arping_full_usage \
48 "Ping hosts by ARP requests/replies.\n\n" \
50 "\t-f\t\tQuit on first ARP reply\n" \
51 "\t-q\t\tBe quiet\n" \
52 "\t-b\t\tKeep broadcasting, don't go unicast\n" \
53 "\t-D\t\tDuplicated address detection mode\n" \
54 "\t-U\t\tUnsolicited ARP mode, update your neighbours\n" \
55 "\t-A\t\tARP answer mode, update your neighbours\n" \
56 "\t-c count\tStop after sending count ARP request packets\n" \
57 "\t-w timeout\tTime to wait for ARP reply, in seconds\n" \
58 "\t-I device\tOutgoing interface name, default is eth0\n" \
59 "\t-s sender\tSet specific sender IP address\n" \
60 "\ttarget\t\tTarget IP address of ARP request\n"
62 #define awk_trivial_usage \
63 "[-v var=val][-F sep] { -f progname | 'programtext' } [FILE ...]"
64 #define awk_full_usage \
66 "\t-v var=val\tassign value 'val' to variable 'var'\n" \
67 "\t-F sep\t\tuse 'sep' as field separator\n" \
68 "\t-f progname\tread program source from file 'progname'\n"
70 #define basename_trivial_usage \
72 #define basename_full_usage \
73 "Strips directory path and suffixes from FILE.\n" \
74 "If specified, also removes any trailing SUFFIX."
75 #define basename_example_usage \
76 "$ basename /usr/local/bin/foo\n" \
78 "$ basename /usr/local/bin/\n" \
80 "$ basename /foo/bar.txt .txt\n" \
83 #define bunzip2_trivial_usage \
85 #define bunzip2_full_usage \
86 "Uncompress FILE (or standard input if FILE is '-' or omitted).\n\n" \
88 "\t-c\tWrite output to standard output\n" \
91 #define bzcat_trivial_usage \
93 #define bzcat_full_usage \
94 "Uncompress to stdout."
96 #define cal_trivial_usage \
97 "[-jy] [[month] year]"
98 #define cal_full_usage \
99 "Display a calendar.\n" \
101 "\t-j\tUse julian dates.\n" \
102 "\t-y\tDisplay the entire year."
104 #define cat_trivial_usage \
106 #define cat_full_usage \
107 "Concatenates FILE(s) and prints them to stdout.\n\n" \
109 "\t-u\tignored since unbuffered i/o is always used"
110 #define cat_example_usage \
111 "$ cat /proc/uptime\n" \
114 #define chgrp_trivial_usage \
115 "[OPTION]... GROUP FILE..."
116 #define chgrp_full_usage \
117 "Change the group membership of each FILE to GROUP.\n" \
119 "\t-R\tChanges files and directories recursively."
120 #define chgrp_example_usage \
121 "$ ls -l /tmp/foo\n" \
122 "-r--r--r-- 1 andersen andersen 0 Apr 12 18:25 /tmp/foo\n" \
123 "$ chgrp root /tmp/foo\n" \
124 "$ ls -l /tmp/foo\n" \
125 "-r--r--r-- 1 andersen root 0 Apr 12 18:25 /tmp/foo\n"
127 #define chmod_trivial_usage \
128 "[-R] MODE[,MODE]... FILE..."
129 #define chmod_full_usage \
130 "Each MODE is one or more of the letters ugoa, one of the\n" \
131 "symbols +-= and one or more of the letters rwxst.\n\n" \
133 "\t-R\tChanges files and directories recursively."
134 #define chmod_example_usage \
135 "$ ls -l /tmp/foo\n" \
136 "-rw-rw-r-- 1 root root 0 Apr 12 18:25 /tmp/foo\n" \
137 "$ chmod u+x /tmp/foo\n" \
138 "$ ls -l /tmp/foo\n" \
139 "-rwxrw-r-- 1 root root 0 Apr 12 18:25 /tmp/foo*\n" \
140 "$ chmod 444 /tmp/foo\n" \
141 "$ ls -l /tmp/foo\n" \
142 "-r--r--r-- 1 root root 0 Apr 12 18:25 /tmp/foo\n"
144 #define chown_trivial_usage \
145 "[ -Rh ]... OWNER[<.|:>[GROUP]] FILE..."
146 #define chown_full_usage \
147 "Change the owner and/or group of each FILE to OWNER and/or GROUP.\n" \
149 "\t-R\tChanges files and directories recursively.\n" \
150 "\t-h\tDo not dereference symbolic links."
151 #define chown_example_usage \
152 "$ ls -l /tmp/foo\n" \
153 "-r--r--r-- 1 andersen andersen 0 Apr 12 18:25 /tmp/foo\n" \
154 "$ chown root /tmp/foo\n" \
155 "$ ls -l /tmp/foo\n" \
156 "-r--r--r-- 1 root andersen 0 Apr 12 18:25 /tmp/foo\n" \
157 "$ chown root.root /tmp/foo\n" \
159 "-r--r--r-- 1 root root 0 Apr 12 18:25 /tmp/foo\n"
161 #define chroot_trivial_usage \
162 "NEWROOT [COMMAND...]"
163 #define chroot_full_usage \
164 "Run COMMAND with root directory set to NEWROOT."
165 #define chroot_example_usage \
166 "$ ls -l /bin/ls\n" \
167 "lrwxrwxrwx 1 root root 12 Apr 13 00:46 /bin/ls -> /BusyBox\n" \
168 "$ mount /dev/hdc1 /mnt -t minix\n" \
170 "$ ls -l /bin/ls\n" \
171 "-rwxr-xr-x 1 root root 40816 Feb 5 07:45 /bin/ls*\n"
173 #define chvt_trivial_usage \
175 #define chvt_full_usage \
176 "Changes the foreground virtual terminal to /dev/ttyN"
178 #define clear_trivial_usage \
180 #define clear_full_usage \
183 #define cmp_trivial_usage \
184 "[OPTION]... FILE1 [FILE2]"
185 #define cmp_full_usage \
186 "Compare files.\n\n" \
188 "\t-l\tWrite the byte numbers (decimal) and values (octal)\n" \
189 "\t\t for all differing bytes.\n" \
190 "\t-s\tquiet mode - do not print"
192 #define cp_trivial_usage \
193 "[OPTION]... SOURCE DEST"
194 #define cp_full_usage \
195 "Copies SOURCE to DEST, or multiple SOURCE(s) to DIRECTORY.\n" \
197 "\t-a\tSame as -dpR\n" \
198 "\t-d\tPreserves links\n" \
199 "\t-p\tPreserves file attributes if possible\n" \
200 "\t-f\tforce (implied; ignored) - always set\n" \
201 "\t-R\tCopies directories recursively"
203 #define cpio_trivial_usage \
204 "-[dimtuv][F cpiofile]"
205 #define cpio_full_usage \
206 "Extract or list files from a cpio archive\n" \
207 "Main operation mode:\n" \
208 "\td\t\tmake leading directories\n" \
210 "\tm\t\tpreserve mtime\n" \
212 "\tu\t\tunconditional overwrite\n" \
213 "\tF\t\tinput from file"
215 #define crond_trivial_usage \
216 "-d[#] -c <crondir> -f -b"
217 #define crond_full_usage \
218 "\t-d [#] -l [#] -S -L logfile -f -b -c dir\n" \
219 "\t-d num\tdebug level\n" \
220 "\t-l num\tlog level (8 - default)\n" \
221 "\t-S\tlog to syslod (default)\n" \
222 "\t-L file\tlog to file\n" \
223 "\t-f\trun in fordeground\n" \
224 "\t-b\trun in background (default)\n" \
225 "\t-c dir\tworking dir"
227 #define crontab_trivial_usage \
228 "crontab [-c dir] {file|-}|[-u|-l|-e|-d user]"
229 #define crontab_full_usage \
230 "\tfile <opts> replace crontab from file\n" \
231 "\t- <opts> replace crontab from stdin\n" \
232 "\t-u user specify user\n" \
233 "\t-l [user] list crontab for user\n" \
234 "\t-e [user] edit crontab for user\n" \
235 "\t-d [user] delete crontab for user\n" \
236 "\t-c dir specify crontab directory"
239 #define cut_trivial_usage \
240 "[OPTION]... [FILE]..."
241 #define cut_full_usage \
242 "Prints selected fields from each input FILE to standard output.\n\n" \
244 "\t-b LIST\t\tOutput only bytes from LIST\n" \
245 "\t-c LIST\t\tOutput only characters from LIST\n" \
246 "\t-d CHAR\t\tUse CHAR instead of tab as the field delimiter\n" \
247 "\t-s\t\tOutput only the lines containing delimiter\n" \
248 "\t-f N\t\tPrint only these fields\n" \
250 #define cut_example_usage \
251 "$ echo "Hello world" | cut -f 1 -d ' '\n" \
253 "$ echo "Hello world" | cut -f 2 -d ' '\n" \
256 #ifdef CONFIG_FEATURE_DATE_ISOFMT
257 #define USAGE_DATE_ISOFMT(a) a
259 #define USAGE_DATE_ISOFMT(a)
262 #define date_trivial_usage \
263 "[OPTION]... [+FORMAT]"
264 #define date_full_usage \
265 "Displays the current time in the given FORMAT, or sets the system date.\n" \
267 "\t-R\t\tOutputs RFC-822 compliant date string\n" \
268 "\t-d STRING\tDisplays time described by STRING, not `now'\n" \
269 USAGE_DATE_ISOFMT("\t-I[TIMESPEC]\tOutputs an ISO-8601 compliant date/time string.\n" \
270 "\t\t\tTIMESPEC=`date' (or missing) for date only,\n" \
271 "\t\t\t`hours', `minutes', or `seconds' for date and,\n" \
272 "\t\t\ttime to the indicated precision.\n") \
273 "\t-s\t\tSets time described by STRING\n" \
274 "\t-u\t\tPrints or sets Coordinated Universal Time"
275 #define date_example_usage \
277 "Wed Apr 12 18:52:41 MDT 2000\n"
279 #define dc_trivial_usage \
281 #define dc_full_usage \
282 "This is a Tiny RPN calculator that understands the\n" \
283 "following operations: +, add, -, sub, *, mul, /, div, %, mod, "\
284 "**, exp, and, or, not, eor.\n" \
285 "For example: 'dc 2 2 add' -> 4, and 'dc 8 8 \\* 2 2 + /' -> 16.\n" \
287 "p - Prints the value on the top of the stack, without altering the stack.\n" \
288 "f - Prints the entire contents of the stack without altering anything.\n" \
289 "o - Pops the value off the top of the stack and uses it to set the output radix.\n" \
290 " Only 10 and 16 are supported.\n"
292 #define dc_example_usage \
295 "$ dc 8 8 * 2 2 + /\n" \
301 "$ echo 72 9 div 8 mul | dc\n" \
304 #define dd_trivial_usage \
305 "[if=FILE] [of=FILE] [bs=N] [count=N] [skip=N]\n" \
306 "\t [seek=N] [conv=notrunc|noerror|sync]"
307 #define dd_full_usage \
308 "Copy a file, converting and formatting according to options\n\n" \
309 "\tif=FILE\t\tread from FILE instead of stdin\n" \
310 "\tof=FILE\t\twrite to FILE instead of stdout\n" \
311 "\tbs=N\t\tread and write N bytes at a time\n" \
312 "\tcount=N\t\tcopy only N input blocks\n" \
313 "\tskip=N\t\tskip N input blocks\n" \
314 "\tseek=N\t\tskip N output blocks\n" \
315 "\tconv=notrunc\tdon't truncate output file\n" \
316 "\tconv=noerror\tcontinue after read errors\n" \
317 "\tconv=sync\tpad blocks with zeros\n" \
319 "Numbers may be suffixed by c (x1), w (x2), b (x512), kD (x1000), k (x1024),\n" \
320 "MD (x1000000), M (x1048576), GD (x1000000000) or G (x1073741824)."
321 #define dd_example_usage \
322 "$ dd if=/dev/zero of=/dev/ram1 bs=1M count=4\n" \
326 #define deallocvt_trivial_usage \
328 #define deallocvt_full_usage \
329 "Deallocate unused virtual terminal /dev/ttyN"
331 #define delgroup_trivial_usage \
333 #define delgroup_full_usage \
334 "Deletes group GROUP from the system"
336 #define deluser_trivial_usage \
338 #define deluser_full_usage \
339 "Deletes user USER from the system"
341 #ifdef CONFIG_DEVFSD_FG_NP
342 #define USAGE_DEVFSD_FG_NP(a) a
344 #define USAGE_DEVFSD_FG_NP(a)
347 #define devfsd_trivial_usage \
349 USAGE_DEVFSD_FG_NP("[-fg][-np]" )
350 #define devfsd_full_usage \
351 "Optional daemon for managing devfs (the Linux Device Filesystem).\n" \
353 "\tmntpnt\tThe mount point where devfs is mounted.\n\n" \
354 "\t-v\tPrint the protocol version numbers for devfsd\n" \
355 "\t\tand the kernel-side protocol version and exits." \
356 USAGE_DEVFSD_FG_NP( "\n\n\t-fg\tRun the daemon in the foreground.\n\n" \
357 "\t-np\tExit after parsing the configuration file\n" \
358 "\t\tand processing synthetic REGISTER events.\n" \
359 "\t\tDo not poll for events.")
361 #ifdef CONFIG_FEATURE_HUMAN_READABLE
362 #define USAGE_HUMAN_READABLE(a) a
363 #define USAGE_NOT_HUMAN_READABLE(a)
365 #define USAGE_HUMAN_READABLE(a)
366 #define USAGE_NOT_HUMAN_READABLE(a) a
368 #define df_trivial_usage \
369 "[-" USAGE_HUMAN_READABLE("hm") USAGE_NOT_HUMAN_READABLE("") "k] [FILESYSTEM ...]"
370 #define df_full_usage \
371 "Print the filesystem space used and space available.\n\n" \
373 USAGE_HUMAN_READABLE( \
374 "\n\t-h\tprint sizes in human readable format (e.g., 1K 243M 2G )\n" \
375 "\t-m\tprint sizes in megabytes\n" \
376 "\t-k\tprint sizes in kilobytes(default)") USAGE_NOT_HUMAN_READABLE( \
377 "\n\t-k\tprint sizes in kilobytes(compatibility)")
378 #define df_example_usage \
380 "Filesystem 1k-blocks Used Available Use% Mounted on\n" \
381 "/dev/sda3 8690864 8553540 137324 98% /\n" \
382 "/dev/sda1 64216 36364 27852 57% /boot\n" \
384 "Filesystem 1k-blocks Used Available Use% Mounted on\n" \
385 "/dev/sda3 8690864 8553540 137324 98% /\n"
387 #define dirname_trivial_usage \
389 #define dirname_full_usage \
390 "Strips non-directory suffix from FILENAME"
391 #define dirname_example_usage \
392 "$ dirname /tmp/foo\n" \
394 "$ dirname /tmp/foo/\n" \
397 #define dmesg_trivial_usage \
398 "[-c] [-n LEVEL] [-s SIZE]"
399 #define dmesg_full_usage \
400 "Prints or controls the kernel ring buffer\n\n" \
402 "\t-c\t\tClears the ring buffer's contents after printing\n" \
403 "\t-n LEVEL\tSets console logging level\n" \
404 "\t-s SIZE\t\tUse a buffer of size SIZE"
406 #define dos2unix_trivial_usage \
408 #define dos2unix_full_usage \
409 "Converts FILE from dos format to unix format. When no option\n" \
410 "is given, the input is converted to the opposite output format.\n" \
411 "When no file is given, uses stdin for input and stdout for output.\n\n" \
413 "\t-u\toutput will be in UNIX format\n" \
414 "\t-d\toutput will be in DOS format"
416 #define dpkg_trivial_usage \
417 "-i package_file\n" \
418 "[-CPru] package_name"
419 #define dpkg_full_usage \
420 "\t-i\tInstall the package\n" \
421 "\t-C\tConfigure an unpackaged package\n" \
422 "\t-P\tPurge all files of a package\n" \
423 "\t-r\tRemove all but the configuration files for a package\n" \
424 "\t-u\tUnpack a package, but dont configure it\n"
426 #define dpkg_deb_trivial_usage \
427 "[-cefItxX] FILE [argument]"
428 #define dpkg_deb_full_usage \
429 "Perform actions on debian packages (.debs)\n\n" \
431 "\t-c\tList contents of filesystem tree\n" \
432 "\t-e\tExtract control files to [argument] directory\n" \
433 "\t-f\tDisplay control field name starting with [argument]\n" \
434 "\t-I\tDisplay the control filenamed [argument]\n" \
435 "\t-t\tExtract filesystem tree to stdout in tar format\n" \
436 "\t-x\tExtract packages filesystem tree to directory\n" \
437 "\t-X\tVerbose extract"
438 #define dpkg_deb_example_usage \
439 "$ dpkg-deb -X ./busybox_0.48-1_i386.deb /tmp\n"
441 #ifdef CONFIG_FEATURE_DU_DEFALT_BLOCKSIZE_1K
442 #define USAGE_DU_DEFALT_BLOCKSIZE_1k(a) a
443 #define USAGE_NOT_DU_DEFALT_BLOCKSIZE_1k(a)
445 #define USAGE_DU_DEFALT_BLOCKSIZE_1k(a)
446 #define USAGE_NOT_DU_DEFALT_BLOCKSIZE_1k(a) a
449 #define du_trivial_usage \
450 "[-aHLdclsx" USAGE_HUMAN_READABLE("hm") "k] [FILE]..."
451 #define du_full_usage \
452 "Summarizes disk space used for each FILE and/or directory.\n" \
453 "Disk space is printed in units of " \
454 USAGE_DU_DEFALT_BLOCKSIZE_1k("1024") USAGE_NOT_DU_DEFALT_BLOCKSIZE_1k("512") \
457 "\t-a\tshow sizes of files in addition to directories\n" \
458 "\t-H\tfollow symbolic links that are FILE command line args\n" \
459 "\t-L\tfollow all symbolic links encountered\n" \
460 "\t-d N\tlimit output to directories (and files with -a) of depth < N\n" \
461 "\t-c\toutput a grand total\n" \
462 "\t-l\tcount sizes many times if hard linked\n" \
463 "\t-s\tdisplay only a total for each argument\n" \
464 "\t-x\tskip directories on different filesystems\n" \
465 USAGE_HUMAN_READABLE( \
466 "\t-h\tprint sizes in human readable format (e.g., 1K 243M 2G )\n" \
467 "\t-m\tprint sizes in megabytes\n" ) \
468 "\t-k\tprint sizes in kilobytes" USAGE_DU_DEFALT_BLOCKSIZE_1k("(default)")
469 #define du_example_usage \
472 "12 ./kernel-patches/CVS\n" \
473 "80 ./kernel-patches\n" \
476 "12 ./scripts/CVS\n" \
482 #define dumpkmap_trivial_usage \
484 #define dumpkmap_full_usage \
485 "Prints out a binary keyboard translation table to standard output."
486 #define dumpkmap_example_usage \
487 "$ dumpkmap > keymap\n"
489 #define dumpleases_trivial_usage \
490 "[-r|-a] [-f LEASEFILE]"
491 #define dumpleases_full_usage \
492 "\t-f,\t--file=FILENAME\tLeases file to load\n" \
493 "\t-r,\t--remaining\tInterepret lease times as time remaing\n" \
494 "\t-a,\t--absolute\tInterepret lease times as expire time\n"
496 #ifdef CONFIG_FEATURE_FANCY_ECHO
497 #define USAGE_FANCY_ECHO(a) a
499 #define USAGE_FANCY_ECHO(a)
502 #define echo_trivial_usage \
503 USAGE_FANCY_ECHO("[-neE] ") "[ARG ...]"
504 #define echo_full_usage \
505 "Prints the specified ARGs to stdout\n\n" \
506 USAGE_FANCY_ECHO("Options:\n" \
507 "\t-n\tsuppress trailing newline\n" \
508 "\t-e\tinterpret backslash-escaped characters (i.e., \\t=tab)\n" \
509 "\t-E\tdisable interpretation of backslash-escaped characters")
510 #define echo_example_usage \
511 "$ echo "Erik is cool"\n" \
513 USAGE_FANCY_ECHO("$ echo -e "Erik\\nis\\ncool"\n" \
517 "$ echo "Erik\\nis\\ncool"\n" \
518 "Erik\\nis\\ncool\n")
520 #define env_trivial_usage \
521 "[-iu] [-] [name=value]... [command]"
522 #define env_full_usage \
523 "Prints the current environment or runs a program after setting\n" \
524 "up the specified environment.\n\n" \
526 "\t-, -i\tstart with an empty environment\n" \
527 "\t-u\tremove variable from the environment\n"
529 #define expr_trivial_usage \
531 #define expr_full_usage \
532 "Prints the value of EXPRESSION to standard output.\n\n" \
533 "EXPRESSION may be:\n" \
534 "\tARG1 | ARG2 ARG1 if it is neither null nor 0, otherwise ARG2\n" \
535 "\tARG1 & ARG2 ARG1 if neither argument is null or 0, otherwise 0\n" \
536 "\tARG1 < ARG2 ARG1 is less than ARG2\n" \
537 "\tARG1 <= ARG2 ARG1 is less than or equal to ARG2\n" \
538 "\tARG1 = ARG2 ARG1 is equal to ARG2\n" \
539 "\tARG1 != ARG2 ARG1 is unequal to ARG2\n" \
540 "\tARG1 >= ARG2 ARG1 is greater than or equal to ARG2\n" \
541 "\tARG1 > ARG2 ARG1 is greater than ARG2\n" \
542 "\tARG1 + ARG2 arithmetic sum of ARG1 and ARG2\n" \
543 "\tARG1 - ARG2 arithmetic difference of ARG1 and ARG2\n" \
544 "\tARG1 * ARG2 arithmetic product of ARG1 and ARG2\n" \
545 "\tARG1 / ARG2 arithmetic quotient of ARG1 divided by ARG2\n" \
546 "\tARG1 % ARG2 arithmetic remainder of ARG1 divided by ARG2\n" \
547 "\tSTRING : REGEXP anchored pattern match of REGEXP in STRING\n" \
548 "\tmatch STRING REGEXP same as STRING : REGEXP\n" \
549 "\tsubstr STRING POS LENGTH substring of STRING, POS counted from 1\n" \
550 "\tindex STRING CHARS index in STRING where any CHARS is found,\n" \
552 "\tlength STRING length of STRING\n" \
553 "\tquote TOKEN interpret TOKEN as a string, even if\n" \
554 "\t it is a keyword like `match' or an\n" \
555 "\t operator like `/'\n" \
556 "\t( EXPRESSION ) value of EXPRESSION\n\n" \
557 "Beware that many operators need to be escaped or quoted for shells.\n" \
558 "Comparisons are arithmetic if both ARGs are numbers, else\n" \
559 "lexicographical. Pattern matches return the string matched between \n" \
560 "\\( and \\) or null; if \\( and \\) are not used, they return the number \n" \
561 "of characters matched or 0."
563 #define false_trivial_usage \
565 #define false_full_usage \
566 "Return an exit code of FALSE (1)."
567 #define false_example_usage \
572 #define fbset_trivial_usage \
574 #define fbset_full_usage \
575 "Show and modify frame buffer settings"
576 #define fbset_example_usage \
578 "mode "1024x768-76"\n" \
579 "\t# D: 78.653 MHz, H: 59.949 kHz, V: 75.694 Hz\n" \
580 "\tgeometry 1024 768 1024 768 16\n" \
581 "\ttimings 12714 128 32 16 4 128 4\n" \
583 "\trgba 5/11,6/5,5/0,0/0\n" \
586 #define fdflush_trivial_usage \
588 #define fdflush_full_usage \
589 "Forces floppy disk drive to detect disk change"
591 #define fdformat_trivial_usage \
593 #define fdformat_full_usage \
594 "Low-level formats a floppy disk\n\n" \
596 "\t-n\tDon't verify after format"
598 #define fdisk_trivial_usage \
599 "[-l] [-v] [-b SSZ] [-u] DISK"
600 #define fdisk_full_usage \
601 "Change partition table\n" \
603 "-l List partition table(s)\n" \
604 "-u Give Start and End in sector (instead of cylinder) units\n" \
605 "-s PARTITION Give partition size(s) in blocks\n" \
606 "-b 2048: (for certain MO disks) use 2048-byte sectors\n" \
607 "-v Give fdisk version"
609 #ifdef CONFIG_FEATURE_FIND_TYPE
610 #define USAGE_FIND_TYPE(a) a
612 #define USAGE_FIND_TYPE(a)
614 #ifdef CONFIG_FEATURE_FIND_PERM
615 #define USAGE_FIND_PERM(a) a
617 #define USAGE_FIND_PERM(a)
619 #ifdef CONFIG_FEATURE_FIND_MTIME
620 #define USAGE_FIND_MTIME(a) a
622 #define USAGE_FIND_MTIME(a)
624 #ifdef CONFIG_FEATURE_FIND_NEWER
625 #define USAGE_FIND_NEWER(a) a
627 #define USAGE_FIND_NEWER(a)
629 #ifdef CONFIG_FEATURE_FIND_INUM
630 #define USAGE_FIND_INUM(a) a
632 #define USAGE_FIND_INUM(a)
635 #define find_trivial_usage \
636 "[PATH...] [EXPRESSION]"
637 #define find_full_usage \
638 "Search for files in a directory hierarchy. The default PATH is\n" \
639 "the current directory; default EXPRESSION is '-print'\n" \
640 "\nEXPRESSION may consist of:\n" \
641 "\t-follow\t\tDereference symbolic links.\n" \
642 "\t-name PATTERN\tFile name (leading directories removed) matches PATTERN.\n" \
643 "\t-print\t\tPrint (default and assumed).\n" \
645 "\n\t-type X\t\tFiletype matches X (where X is one of: f,d,l,b,c,...)" \
647 "\n\t-perm PERMS\tPermissions match any of (+NNN); all of (-NNN);\n\t\t\tor exactly (NNN)" \
648 ) USAGE_FIND_MTIME( \
649 "\n\t-mtime TIME\tModified time is greater than (+N); less than (-N);\n\t\t\tor exactly (N) days" \
650 ) USAGE_FIND_NEWER( \
651 "\n\t-newer FILE\tModified time is more recent than FILE's" \
653 "\n\t-inum N\t\tFile has inode number N")
654 #define find_example_usage \
655 "$ find / -name /etc/passwd\n" \
658 #define fold_trivial_usage \
660 #define fold_full_usage \
661 "Wrap input lines in each FILE (standard input by default), writing to\n" \
662 "standard output.\n\n" \
664 "\t-b\tcount bytes rather than columns\n" \
665 "\t-s\tbreak at spaces\n" \
666 "\t-w\tuse WIDTH columns instead of 80\n"
668 #define free_trivial_usage \
670 #define free_full_usage \
671 "Displays the amount of free and used system memory"
672 #define free_example_usage \
674 " total used free shared buffers\n" \
675 " Mem: 257628 248724 8904 59644 93124\n" \
676 " Swap: 128516 8404 120112\n" \
677 "Total: 386144 257128 129016\n" \
679 #define freeramdisk_trivial_usage \
681 #define freeramdisk_full_usage \
682 "Frees all memory used by the specified ramdisk."
683 #define freeramdisk_example_usage \
684 "$ freeramdisk /dev/ram2\n"
686 #define fsck_minix_trivial_usage \
687 "[-larvsmf] /dev/name"
688 #define fsck_minix_full_usage \
689 "Performs a consistency check for MINIX filesystems.\n\n" \
691 "\t-l\tLists all filenames\n" \
692 "\t-r\tPerform interactive repairs\n" \
693 "\t-a\tPerform automatic repairs\n" \
695 "\t-s\tOutputs super-block information\n" \
696 "\t-m\tActivates MINIX-like \"mode not cleared\" warnings\n" \
697 "\t-f\tForce file system check."
699 #define ftpget_trivial_usage \
700 "[options] remote-host local-directory remote-file"
701 #define ftpget_full_usage \
702 "Retrieve a remote file via FTP.\n\n" \
704 "\t-c, --continue Continue a previous transfer\n" \
705 "\t-v, --verbose Verbose\n" \
706 "\t-u, --username Username to be used\n" \
707 "\t-p, --password Password to be used\n" \
708 "\t-P, --port Port number to be used\n"
710 #define ftpput_trivial_usage \
711 "[options] remote-host remote-directory local-file"
712 #define ftpput_full_usage \
713 "Store a local file on a remote machine via FTP.\n\n" \
715 "\t-v, --verbose Verbose\n" \
716 "\t-u, --username Username to be used\n" \
717 "\t-p, --password Password to be used\n" \
718 "\t-P, --port Port number to be used\n"
720 #define getopt_trivial_usage \
722 #define getopt_full_usage \
723 "Parse command options\n" \
724 "\t-a, --alternative Allow long options starting with single -\n" \
725 "\t-l, --longoptions=longopts Long options to be recognized\n" \
726 "\t-n, --name=progname The name under which errors are reported\n" \
727 "\t-o, --options=optstring Short options to be recognized\n" \
728 "\t-q, --quiet Disable error reporting by getopt(3)\n" \
729 "\t-Q, --quiet-output No normal output\n" \
730 "\t-s, --shell=shell Set shell quoting conventions\n" \
731 "\t-T, --test Test for getopt(1) version\n" \
732 "\t-u, --unqote Do not quote the output"
733 #define getopt_example_usage \
734 "$ cat getopt.test\n" \
736 "GETOPT=`getopt -o ab:c:: --long a-long,b-long:,c-long:: \\\n" \
737 " -n 'example.busybox' -- "$@"`\n" \
738 "if [ $? != 0 ] ; then exit 1 ; fi\n" \
739 "eval set -- "$GETOPT"\n" \
740 "while true ; do\n" \
742 " -a|--a-long) echo \"Option a\" ; shift ;;\n" \
743 " -b|--b-long) echo \"Option b, argument `$2'\" ; shift 2 ;;\n" \
746 " \"\") echo \"Option c, no argument\"; shift 2 ;;\n" \
747 " *) echo \"Option c, argument `$2'\" ; shift 2 ;;\n" \
749 " --) shift ; break ;;\n" \
750 " *) echo \"Internal error!\" ; exit 1 ;;\n" \
754 #define getty_trivial_usage \
755 "getty [OPTIONS]... baud_rate,... line [termtype]"
756 #define getty_full_usage \
757 "\nOpens a tty, prompts for a login name, then invokes /bin/login\n\n" \
759 "\t-h\t\tEnable hardware (RTS/CTS) flow control.\n" \
760 "\t-i\t\tDo not display /etc/issue before running login.\n" \
761 "\t-L\t\tLocal line, so do not do carrier detect.\n" \
762 "\t-m\t\tGet baud rate from modem's CONNECT status message.\n" \
763 "\t-w\t\tWait for a CR or LF before sending /etc/issue.\n" \
764 "\t-n\t\tDo not prompt the user for a login name.\n" \
765 "\t-f issue_file\tDisplay issue_file instead of /etc/issue.\n" \
766 "\t-l login_app\tInvoke login_app instead of /bin/login.\n" \
767 "\t-t timeout\tTerminate after timeout if no username is read.\n" \
768 "\t-I initstring\tSets the init string to send before anything else.\n" \
769 "\t-H login_host\tLog login_host into the utmp file as the hostname."
772 #define grep_trivial_usage \
773 "[-ihHnqvs] PATTERN [FILEs...]"
774 #define grep_full_usage \
775 "Search for PATTERN in each FILE or standard input.\n\n" \
777 "\t-H\tprefix output lines with filename where match was found\n" \
778 "\t-h\tsuppress the prefixing filename on output\n" \
779 "\t-i\tignore case distinctions\n" \
780 "\t-l\tlist names of files that match\n" \
781 "\t-n\tprint line number with output lines\n" \
782 "\t-q\tbe quiet. Returns 0 if result was found, 1 otherwise\n" \
783 "\t-v\tselect non-matching lines\n" \
784 "\t-s\tsuppress file open/read error messages"
785 #define grep_example_usage \
786 "$ grep root /etc/passwd\n" \
787 "root:x:0:0:root:/root:/bin/bash\n" \
788 "$ grep ^[rR]oo. /etc/passwd\n" \
789 "root:x:0:0:root:/root:/bin/bash\n"
791 #define gunzip_trivial_usage \
793 #define gunzip_full_usage \
794 "Uncompress FILE (or standard input if FILE is '-').\n\n" \
796 "\t-c\tWrite output to standard output\n" \
797 "\t-t\tTest compressed file integrity"
798 #define gunzip_example_usage \
799 "$ ls -la /tmp/BusyBox*\n" \
800 "-rw-rw-r-- 1 andersen andersen 557009 Apr 11 10:55 /tmp/BusyBox-0.43.tar.gz\n" \
801 "$ gunzip /tmp/BusyBox-0.43.tar.gz\n" \
802 "$ ls -la /tmp/BusyBox*\n" \
803 "-rw-rw-r-- 1 andersen andersen 1761280 Apr 14 17:47 /tmp/BusyBox-0.43.tar\n"
805 #define gzip_trivial_usage \
806 "[OPTION]... [FILE]..."
807 #define gzip_full_usage \
808 "Compress FILE(s) with maximum compression.\n" \
809 "When FILE is '-' or unspecified, reads standard input. Implies -c.\n\n" \
811 "\t-c\tWrite output to standard output instead of FILE.gz\n" \
813 #define gzip_example_usage \
814 "$ ls -la /tmp/busybox*\n" \
815 "-rw-rw-r-- 1 andersen andersen 1761280 Apr 14 17:47 /tmp/busybox.tar\n" \
816 "$ gzip /tmp/busybox.tar\n" \
817 "$ ls -la /tmp/busybox*\n" \
818 "-rw-rw-r-- 1 andersen andersen 554058 Apr 14 17:49 /tmp/busybox.tar.gz\n"
820 #define halt_trivial_usage \
822 #define halt_full_usage \
825 #ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
826 #define USAGE_HDPARM_IDENT(a) a
828 #define USAGE_HDPARM_IDENT(a)
831 #ifdef CONFIG_FEATURE_HDPARM_HDIO_SCAN_HWIF
832 #define USAGE_SCAN_HWIF(a) a
834 #define USAGE_SCAN_HWIF(a)
837 #ifdef CONFIG_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF
838 #define USAGE_UNREGISTER_HWIF(a) a
840 #define USAGE_UNREGISTER_HWIF(a)
843 #ifdef CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET
844 #define USAGE_DRIVE_RESET(a) a
846 #define USAGE_DRIVE_RESET(a)
849 #ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
850 #define USAGE_TRISTATE_HWIF(a) a
852 #define USAGE_TRISTATE_HWIF(a)
855 #ifdef CONFIG_FEATURE_HDPARM_HDIO_GETSET_DMA
856 #define USAGE_GETSET_DMA(a) a
858 #define USAGE_GETSET_DMA(a)
861 #define hdparm_trivial_usage \
862 "[options] [device] .."
863 #define hdparm_full_usage \
865 " -a get/set fs readahead\n" \
866 " -A set drive read-lookahead flag (0/1)\n" \
867 " -b get/set bus state (0 == off, 1 == on, 2 == tristate)\n" \
868 " -B set Advanced Power Management setting (1-255)\n" \
869 " -c get/set IDE 32-bit IO setting\n" \
870 " -C check IDE power mode status\n" \
871 USAGE_GETSET_DMA(" -d get/set using_dma flag\n") \
872 " -D enable/disable drive defect-mgmt\n" \
873 " -f flush buffer cache for device on exit\n" \
874 " -g display drive geometry\n" \
875 " -h display terse usage information\n" \
876 " -i display drive identification\n" \
877 USAGE_HDPARM_IDENT(" -I detailed/current information directly from drive\n") \
878 USAGE_HDPARM_IDENT(" -Istdin similar to -I, but wants /proc/ide/" "*" "/hd?/identify as input\n") \
879 " -k get/set keep_settings_over_reset flag (0/1)\n" \
880 " -K set drive keep_features_over_reset flag (0/1)\n" \
881 " -L set drive doorlock (0/1) (removable harddisks only)\n" \
882 " -m get/set multiple sector count\n" \
883 " -n get/set ignore-write-errors flag (0/1)\n" \
884 " -p set PIO mode on IDE interface chipset (0,1,2,3,4,...)\n" \
885 " -P set drive prefetch count\n" \
886 " -q change next setting quietly\n" \
887 " -Q get/set DMA tagged-queuing depth (if supported)\n" \
888 " -r get/set readonly flag (DANGEROUS to set)\n" \
889 USAGE_SCAN_HWIF(" -R register an IDE interface (DANGEROUS)\n") \
890 " -S set standby (spindown) timeout\n" \
891 " -t perform device read timings\n" \
892 " -T perform cache read timings\n" \
893 " -u get/set unmaskirq flag (0/1)\n" \
894 USAGE_UNREGISTER_HWIF(" -U un-register an IDE interface (DANGEROUS)\n") \
895 " -v defaults; same as -mcudkrag for IDE drives\n" \
896 " -V display program version and exit immediately\n" \
897 USAGE_DRIVE_RESET(" -w perform device reset (DANGEROUS)\n") \
898 " -W set drive write-caching flag (0/1) (DANGEROUS)\n" \
899 USAGE_TRISTATE_HWIF(" -x tristate device for hotswap (0/1) (DANGEROUS)\n") \
900 " -X set IDE xfer mode (DANGEROUS)\n" \
901 " -y put IDE drive in standby mode\n" \
902 " -Y put IDE drive to sleep\n" \
903 " -Z disable Seagate auto-powersaving mode\n" \
904 " -z re-read partition table\n"
906 #ifdef CONFIG_FEATURE_FANCY_HEAD
907 #define USAGE_FANCY_HEAD(a) a
909 #define USAGE_FANCY_HEAD(a)
912 #define head_trivial_usage \
913 "[OPTION]... [FILE]..."
914 #define head_full_usage \
915 "Print first 10 lines of each FILE to standard output.\n" \
916 "With more than one FILE, precede each with a header giving the\n" \
917 "file name. With no FILE, or when FILE is -, read standard input.\n\n" \
919 "\t-n NUM\t\tPrint first NUM lines instead of first 10" \
921 "\n\t-c NUM\t\toutput the first NUM bytes\n" \
922 "\t-q\t\tnever output headers giving file names\n" \
923 "\t-v\t\talways output headers giving file names" )
924 #define head_example_usage \
925 "$ head -n 2 /etc/passwd\n" \
926 "root:x:0:0:root:/root:/bin/bash\n" \
927 "daemon:x:1:1:daemon:/usr/sbin:/bin/sh\n"
929 #define hexdump_trivial_usage \
930 "[-[bcdefnosvx]] [OPTION] FILE"
931 #define hexdump_full_usage \
932 "The hexdump utility is a filter which displays the specified files,\n" \
933 "or the standard input, if no files are specified, in a user specified\n"\
935 "\t-b\t\tOne-byte octal display\n" \
936 "\t-c\t\tOne-byte character display\n" \
937 "\t-d\t\tTwo-byte decimal display\n" \
938 "\t-e FORMAT STRING\n" \
939 "\t-f FORMAT FILE\n" \
940 "\t-n LENGTH\tInterpret only length bytes of input\n" \
941 "\t-o\t\tTwo-byte octal display\n" \
942 "\t-s OFFSET\tSkip offset byte\n" \
943 "\t-v\t\tdisplay all input data\n" \
944 "\t-x\t\tTwo-byte hexadecimal display\n"
946 #define hostid_trivial_usage \
948 #define hostid_full_usage \
949 "Print out a unique 32-bit identifier for the machine."
951 #define hostname_trivial_usage \
952 "[OPTION] {hostname | -F FILE}"
953 #define hostname_full_usage \
954 "Get or set the hostname or DNS domain name. If a hostname is given\n" \
955 "(or FILE with the -F parameter), the host name will be set.\n\n" \
958 "\t-i\tAddresses for the hostname\n" \
959 "\t-d\tDNS domain name\n" \
960 "\t-f\tFully qualified domain name\n" \
961 "\t-F FILE\tUse the contents of FILE to specify the hostname"
962 #define hostname_example_usage \
966 #ifdef CONFIG_FEATURE_HTTPD_BASIC_AUTH
967 #define USAGE_HTTPD_BASIC_AUTH(a) a
968 #ifdef CONFIG_FEATURE_HTTPD_AUTH_MD5
969 #define USAGE_HTTPD_AUTH_MD5(a) a
971 #define USAGE_HTTPD_AUTH_MD5(a)
974 #define USAGE_HTTPD_BASIC_AUTH(a)
975 #define USAGE_HTTPD_AUTH_MD5(a)
977 #ifdef CONFIG_FEATURE_HTTPD_USAGE_FROM_INETD_ONLY
978 #define USAGE_HTTPD_STANDALONE(a)
979 #define USAGE_HTTPD_SETUID(a)
981 #define USAGE_HTTPD_STANDALONE(a) a
982 #ifdef CONFIG_FEATURE_HTTPD_SETUID
983 #define USAGE_HTTPD_SETUID(a) a
985 #define USAGE_HTTPD_SETUID(a)
988 #define httpd_trivial_usage \
990 USAGE_HTTPD_STANDALONE(" [-p <port>]") \
991 USAGE_HTTPD_SETUID(" [-u user]") \
992 USAGE_HTTPD_BASIC_AUTH(" [-r <realm>]") \
993 USAGE_HTTPD_AUTH_MD5(" [-m pass]") \
995 #define httpd_full_usage \
996 "Listens for incoming http server requests.\n"\
998 "\t-c FILE\tSpecifies configuration file. (default httpd.conf)\n" \
999 USAGE_HTTPD_STANDALONE("\t-p PORT\tServer port (default 80)\n") \
1000 USAGE_HTTPD_SETUID("\t-u USER\tSet uid to USER after listening privilegies port\n") \
1001 USAGE_HTTPD_BASIC_AUTH("\t-r REALM\tAuthentication Realm for Basic Authentication\n") \
1002 USAGE_HTTPD_AUTH_MD5("\t-m PASS\tCrypt PASS with md5 algorithm\n") \
1003 "\t-e STRING\tHtml encode STRING\n" \
1004 "\t-d STRING\tURL decode STRING"
1006 #define hwclock_trivial_usage \
1007 "[-r|--show] [-s|--hctosys] [-w|--systohc] [-l|--localtime] [-u|--utc]"
1008 #define hwclock_full_usage \
1009 "Query and set the hardware clock (RTC)\n\n" \
1011 "\t-r\tread hardware clock and print result\n" \
1012 "\t-s\tset the system time from the hardware clock\n" \
1013 "\t-w\tset the hardware clock to the current system time\n" \
1014 "\t-u\tthe hardware clock is kept in coordinated universal time\n" \
1015 "\t-l\tthe hardware clock is kept in local time"
1017 #ifdef CONFIG_SELINUX
1018 #define USAGE_SELINUX(a, b) a
1020 #define USAGE_SELINUX(a, b) b
1023 #define id_trivial_usage \
1024 "[OPTIONS]... [USERNAME]"
1025 #define id_full_usage \
1026 "Print information for USERNAME or the current user\n\n" \
1028 "\t-g\tprints only the group ID\n" \
1029 "\t-u\tprints only the user ID\n" \
1030 USAGE_SELINUX("\t-c\tprints only the security context\n", "") \
1031 "\t-n\tprint a name instead of a number (with for -ug)\n" \
1032 "\t-r\tprints the real user ID instead of the effective ID (with -ug)"
1033 #define id_example_usage \
1035 "uid=1000(andersen) gid=1000(andersen)\n"
1037 #ifdef CONFIG_FEATURE_IFCONFIG_SLIP
1038 #define USAGE_SIOCSKEEPALIVE(a) a
1040 #define USAGE_SIOCSKEEPALIVE(a)
1042 #ifdef CONFIG_FEATURE_IFCONFIG_MEMSTART_IOADDR_IRQ
1043 #define USAGE_IFCONFIG_MII(a) a
1045 #define USAGE_IFCONFIG_MII(a)
1047 #ifdef CONFIG_FEATURE_IFCONFIG_HW
1048 #define USAGE_IFCONFIG_HW(a) a
1050 #define USAGE_IFCONFIG_HW(a)
1052 #ifdef CONFIG_FEATURE_IFCONFIG_STATUS
1053 #define USAGE_IFCONFIG_OPT_A(a) a
1055 #define USAGE_IFCONFIG_OPT_A(a)
1057 #ifdef CONFIG_FEATURE_IPV6
1058 #define USAGE_IPV6(a) a
1060 #define USAGE_IPV6(a)
1063 #define ifconfig_trivial_usage \
1064 USAGE_IFCONFIG_OPT_A("[-a]") " <interface> [<address>]"
1065 #define ifconfig_full_usage \
1066 "configure a network interface\n\n" \
1068 USAGE_IPV6("[add <address>[/<prefixlen>]]\n") \
1069 USAGE_IPV6("[del <address>[/<prefixlen>]]\n") \
1070 "\t[[-]broadcast [<address>]] [[-]pointopoint [<address>]]\n" \
1071 "\t[netmask <address>] [dstaddr <address>]\n" \
1072 USAGE_SIOCSKEEPALIVE("\t[outfill <NN>] [keepalive <NN>]\n") \
1073 "\t" USAGE_IFCONFIG_HW("[hw ether <address>] ") \
1074 "[metric <NN>] [mtu <NN>]\n" \
1075 "\t[[-]trailers] [[-]arp] [[-]allmulti]\n" \
1076 "\t[multicast] [[-]promisc] [txqueuelen <NN>] [[-]dynamic]\n" \
1077 USAGE_IFCONFIG_MII("\t[mem_start <NN>] [io_addr <NN>] [irq <NN>]\n") \
1080 #define ifup_trivial_usage \
1081 "<-ahinv> <ifaces...>"
1082 #define ifup_full_usage \
1083 "Usage: ifup <options> <ifaces...>\n\n" \
1085 "\t-h\tthis help\n" \
1086 "\t-a\tde/configure all interfaces automatically\n" \
1087 "\t-i FILE\tuse FILE for interface definitions\n" \
1088 "\t-n\tprint out what would happen, but don't do it\n" \
1089 "\t\t\t(note that this option doesn't disable mappings)\n" \
1090 "\t-v\tprint out what would happen before doing it\n" \
1091 "\t-m\tdon't run any mappings\n" \
1092 "\t-f\tforce de/configuration\n"
1094 #define ifdown_trivial_usage \
1095 "<-ahinv> <ifaces...>"
1096 #define ifdown_full_usage \
1097 "Usage: ifdown <options> <ifaces...>\n\n" \
1099 "\t-h\tthis help\n" \
1100 "\t-a\tde/configure all interfaces automatically\n" \
1101 "\t-i FILE\tuse FILE for interface definitions\n" \
1102 "\t-n\tprint out what would happen, but don't do it\n" \
1103 "\t\t(note that this option doesn't disable mappings)\n" \
1104 "\t-v\tprint out what would happen before doing it\n" \
1105 "\t-m\tdon't run any mappings\n" \
1106 "\t-f\tforce de/configuration\n"
1108 #define inetd_trivial_usage \
1110 #define inetd_full_usage \
1111 "Usage: [-q len] [conf]\n\n" \
1113 "\t-q\tSets the size of the socket listen queue to\n" \
1114 "the specified value. Default is 128."
1116 #define init_trivial_usage \
1118 #define init_full_usage \
1119 "Init is the parent of all processes."
1120 #define init_notes_usage \
1121 "This version of init is designed to be run only by the kernel.\n" \
1123 "BusyBox init doesn't support multiple runlevels. The runlevels field of\n" \
1124 "the /etc/inittab file is completely ignored by BusyBox init. If you want \n" \
1125 "runlevels, use sysvinit.\n" \
1127 "BusyBox init works just fine without an inittab. If no inittab is found, \n" \
1128 "it has the following default behavior:\n" \
1130 " ::sysinit:/etc/init.d/rcS\n" \
1131 " ::askfirst:/bin/sh\n" \
1132 " ::ctrlaltdel:/sbin/reboot\n" \
1133 " ::shutdown:/sbin/swapoff -a\n" \
1134 " ::shutdown:/bin/umount -a -r\n" \
1135 " ::restart:/sbin/init\n" \
1137 "if it detects that /dev/console is _not_ a serial console, it will also run:\n" \
1139 " tty2::askfirst:/bin/sh\n" \
1140 " tty3::askfirst:/bin/sh\n" \
1141 " tty4::askfirst:/bin/sh\n" \
1143 "If you choose to use an /etc/inittab file, the inittab entry format is as follows:\n" \
1145 " <id>:<runlevels>:<action>:<process>\n" \
1149 " WARNING: This field has a non-traditional meaning for BusyBox init!\n" \
1150 " The id field is used by BusyBox init to specify the controlling tty for\n" \
1151 " the specified process to run on. The contents of this field are\n" \
1152 " appended to "/dev/" and used as-is. There is no need for this field to\n" \
1153 " be unique, although if it isn't you may have strange results. If this\n" \
1154 " field is left blank, the controlling tty is set to the console. Also\n" \
1155 " note that if BusyBox detects that a serial console is in use, then only\n" \
1156 " entries whose controlling tty is either the serial console or /dev/null\n" \
1157 " will be run. BusyBox init does nothing with utmp. We don't need no\n" \
1158 " stinkin' utmp.\n" \
1160 " <runlevels>: \n" \
1162 " The runlevels field is completely ignored.\n" \
1166 " Valid actions include: sysinit, respawn, askfirst, wait, \n" \
1167 " once, restart, ctrlaltdel, and shutdown.\n" \
1169 " The available actions can be classified into two groups: actions\n" \
1170 " that are run only once, and actions that are re-run when the specified\n" \
1171 " process exits.\n" \
1173 " Run only-once actions:\n" \
1175 " 'sysinit' is the first item run on boot. init waits until all\n" \
1176 " sysinit actions are completed before continuing. Following the\n" \
1177 " completion of all sysinit actions, all 'wait' actions are run.\n" \
1178 " 'wait' actions, like 'sysinit' actions, cause init to wait until\n" \
1179 " the specified task completes. 'once' actions are asynchronous,\n" \
1180 " therefore, init does not wait for them to complete. 'restart' is\n" \
1181 " the action taken to restart the init process. By default this should\n" \
1182 " simply run /sbin/init, but can be a script which runs pivot_root or it\n" \
1183 " can do all sorts of other interesting things. The 'ctrlaltdel' init\n" \
1184 " actions are run when the system detects that someone on the system\n" \
1185 " console has pressed the CTRL-ALT-DEL key combination. Typically one\n" \
1186 " wants to run 'reboot' at this point to cause the system to reboot.\n" \
1187 " Finally the 'shutdown' action specifies the actions to taken when\n" \
1188 " init is told to reboot. Unmounting filesystems and disabling swap\n" \
1189 " is a very good here\n" \
1191 " Run repeatedly actions:\n" \
1193 " 'respawn' actions are run after the 'once' actions. When a process\n" \
1194 " started with a 'respawn' action exits, init automatically restarts\n" \
1195 " it. Unlike sysvinit, BusyBox init does not stop processes from\n" \
1196 " respawning out of control. The 'askfirst' actions acts just like\n" \
1197 " respawn, except that before running the specified process it\n" \
1198 " displays the line "Please press Enter to activate this console."\n" \
1199 " and then waits for the user to press enter before starting the\n" \
1200 " specified process. \n" \
1202 " Unrecognized actions (like initdefault) will cause init to emit an\n" \
1203 " error message, and then go along with its business. All actions are\n" \
1204 " run in the order they appear in /etc/inittab.\n" \
1208 " Specifies the process to be executed and it's command line.\n" \
1210 "Example /etc/inittab file:\n" \
1212 " # This is run first except when booting in single-user mode.\n" \
1214 " ::sysinit:/etc/init.d/rcS\n" \
1216 " # /bin/sh invocations on selected ttys\n" \
1218 " # Start an "askfirst" shell on the console (whatever that may be)\n" \
1219 " ::askfirst:-/bin/sh\n" \
1220 " # Start an "askfirst" shell on /dev/tty2-4\n" \
1221 " tty2::askfirst:-/bin/sh\n" \
1222 " tty3::askfirst:-/bin/sh\n" \
1223 " tty4::askfirst:-/bin/sh\n" \
1225 " # /sbin/getty invocations for selected ttys\n" \
1227 " tty4::respawn:/sbin/getty 38400 tty4\n" \
1228 " tty5::respawn:/sbin/getty 38400 tty5\n" \
1231 " # Example of how to put a getty on a serial line (for a terminal)\n" \
1233 " #::respawn:/sbin/getty -L ttyS0 9600 vt100\n" \
1234 " #::respawn:/sbin/getty -L ttyS1 9600 vt100\n" \
1236 " # Example how to put a getty on a modem line.\n" \
1237 " #::respawn:/sbin/getty 57600 ttyS2\n" \
1239 " # Stuff to do when restarting the init process\n" \
1240 " ::restart:/sbin/init\n" \
1242 " # Stuff to do before rebooting\n" \
1243 " ::ctrlaltdel:/sbin/reboot\n" \
1244 " ::shutdown:/bin/umount -a -r\n" \
1245 " ::shutdown:/sbin/swapoff -a\n"
1247 #ifdef CONFIG_FEATURE_INSMOD_LOAD_MAP
1248 #define USAGE_INSMOD_MAP(a) a
1250 #define USAGE_INSMOD_MAP(a)
1252 #define insmod_trivial_usage \
1253 "[OPTION]... MODULE [symbol=value]..."
1254 #define insmod_full_usage \
1255 "Loads the specified kernel modules into the kernel.\n\n" \
1257 "\t-f\tForce module to load into the wrong kernel version.\n" \
1258 "\t-k\tMake module autoclean-able.\n" \
1259 "\t-v\tverbose output\n" \
1260 "\t-L\tLock to prevent simultaneous loads of a module\n" \
1261 USAGE_INSMOD_MAP("\t-m\tOutput load map to stdout") \
1262 "\t-x\tdo not export externs\n"
1264 #define install_trivial_usage \
1265 "[cgmops] [sources] <dest|directory>"
1266 #define install_full_usage \
1267 "copy files and set attributes\n\n" \
1269 "\t-c\tcopy the file, default\n" \
1270 "\t-g\tset group ownership\n" \
1271 "\t-m\tset permission modes\n" \
1272 "\t-o\tset ownership\n" \
1273 "\t-p\tpreserve date\n" \
1274 "\t-s\tstrip symbol tables\n"
1276 #define ip_trivial_usage \
1277 "[ OPTIONS ] { address | link | route | tunnel } { COMMAND | help }"
1278 #define ip_full_usage \
1279 "ip [ OPTIONS ] OBJECT { COMMAND | help }\n" \
1280 "where OBJECT := { link | addr | route | tunnel }\n" \
1281 "OPTIONS := { -f[amily] { inet | inet6 | link } | -o[neline] }\n"
1283 #define ipaddr_trivial_usage \
1284 "{ {add|del} IFADDR dev STRING | {show|flush} [ dev STRING ] [ to PREFIX ] }"
1285 #define ipaddr_full_usage \
1286 "ipaddr {add|del} IFADDR dev STRING\n" \
1287 "ipaddr {show|flush} [ dev STRING ] [ scope SCOPE-ID ]\n" \
1288 " [ to PREFIX ] [ label PATTERN ]\n" \
1289 "IFADDR := PREFIX | ADDR peer PREFIX\n" \
1290 " [ broadcast ADDR ] [ anycast ADDR ]\n" \
1291 " [ label STRING ] [ scope SCOPE-ID ]\n" \
1292 "SCOPE-ID := [ host | link | global | NUMBER ]\n"
1294 #ifndef CONFIG_FEATURE_IPCALC_FANCY
1295 #define ipcalc_trivial_usage \
1296 "[--broadcast] [--netmask] [--network] ipaddr <netmask>"
1298 #define ipcalc_full_usage \
1299 "Calculate IP network settings from a IP address\n\n" \
1301 "\t-b\t--broadcast\tDisplay calculated broadcast address.\n" \
1302 "\t-n\t--netmask\tDisplay default netmask for IP.\n" \
1303 "\t-w\t--network\tDisplay calculated network address."
1305 #define ipcalc_trivial_usage \
1306 "[OPTION]... ipaddr <netmask>"
1308 #define ipcalc_full_usage \
1309 "Calculate IP network settings from a IP address\n\n" \
1311 "\t-b\t--broadcast\tDisplay calculated broadcast address.\n" \
1312 "\t-n\t--netmask\tDisplay default netmask for IP.\n" \
1313 "\t-w\t--network\tDisplay calculated network address.\n" \
1314 "\t-h\t--hostname\tDisplay first resolved host name.\n" \
1315 "\t-s\t--silent\tDon't ever display error messages."
1318 #define ipcalc_notes_usage \
1319 "ipcalc provides a simple way to calculate IP information for\n" \
1320 "a host. The various options specify what information ipcalc\n" \
1321 "should display on standard out. Multiple options may be\n" \
1324 #define iplink_trivial_usage \
1325 "{ set DEVICE { up | down | arp { on | off } | show [ DEVICE ] }"
1326 #define iplink_full_usage \
1327 "iplink set DEVICE { up | down | arp { on | off } |\n" \
1328 " dynamic { on | off } |\n" \
1330 "iplink show [ DEVICE ]\n"
1332 #define iproute_trivial_usage \
1333 "{ list | flush | { add | del | change | append | replace | monitor } ROUTE }"
1334 #define iproute_full_usage \
1335 "iproute { list | flush } SELECTOR\n" \
1336 "iproute get ADDRESS [ from ADDRESS iif STRING ]\n" \
1337 " [ oif STRING ] [ tos TOS ]\n" \
1338 "iproute { add | del | change | append | replace | monitor } ROUTE\n" \
1339 "SELECTOR := [ root PREFIX ] [ match PREFIX ] [ proto RTPROTO ]\n" \
1340 "ROUTE := [ TYPE ] PREFIX [ tos TOS ] [ proto RTPROTO ]\n"
1342 #define iptunnel_trivial_usage \
1343 "{ add | change | del | show } [ NAME ] [ mode { ipip | gre | sit } ] [ remote ADDR ] [ local ADDR ] [ ttl TTL ]"
1344 #define iptunnel_full_usage \
1345 "iptunnel { add | change | del | show } [ NAME ]\n" \
1346 " [ mode { ipip | gre | sit } ] [ remote ADDR ] [ local ADDR ]\n" \
1347 " [ [i|o]seq ] [ [i|o]key KEY ] [ [i|o]csum ]\n" \
1348 " [ ttl TTL ] [ tos TOS ] [ [no]pmtudisc ] [ dev PHYS_DEV ]\n"
1350 #define insmod_ng_trivial_usage \
1351 "MODULE [symbol=value]..."
1352 #define insmod_ng_full_usage \
1353 "Loads the specified kernel modules into the kernel."
1355 #define kill_trivial_usage \
1356 "[-signal] process-id [process-id ...]"
1357 #define kill_full_usage \
1358 "Send a signal (default is SIGTERM) to the specified process(es).\n\n"\
1360 "\t-l\tList all signal names and numbers."
1361 #define kill_example_usage \
1362 "$ ps | grep apache\n" \
1363 "252 root root S [apache]\n" \
1364 "263 www-data www-data S [apache]\n" \
1365 "264 www-data www-data S [apache]\n" \
1366 "265 www-data www-data S [apache]\n" \
1367 "266 www-data www-data S [apache]\n" \
1368 "267 www-data www-data S [apache]\n" \
1371 #define killall_trivial_usage \
1372 "[-signal] process-name [process-name ...]"
1373 #define killall_full_usage \
1374 "Send a signal (default is SIGTERM) to the specified process(es).\n\n"\
1376 "\t-l\tList all signal names and numbers."
1377 #define killall_example_usage \
1378 "$ killall apache\n"
1380 #define klogd_trivial_usage \
1382 #define klogd_full_usage \
1385 "\t-c n\tSets the default log level of console messages to n.\n"\
1386 "\t-n\tRun as a foreground process."
1388 #define length_trivial_usage \
1390 #define length_full_usage \
1391 "Prints out the length of the specified STRING."
1392 #define length_example_usage \
1393 "$ length Hello\n" \
1396 #define ln_trivial_usage \
1397 "[OPTION] TARGET... LINK_NAME|DIRECTORY"
1398 #define ln_full_usage \
1399 "Create a link named LINK_NAME or DIRECTORY to the specified TARGET\n"\
1400 "\nYou may use '--' to indicate that all following arguments are non-options.\n\n" \
1402 "\t-s\tmake symbolic links instead of hard links\n" \
1403 "\t-f\tremove existing destination files\n" \
1404 "\t-n\tno dereference symlinks - treat like normal file"
1405 #define ln_example_usage \
1406 "$ ln -s BusyBox /tmp/ls\n" \
1407 "$ ls -l /tmp/ls\n" \
1408 "lrwxrwxrwx 1 root root 7 Apr 12 18:39 ls -> BusyBox*\n"
1410 #define loadfont_trivial_usage \
1412 #define loadfont_full_usage \
1413 "Loads a console font from standard input."
1414 #define loadfont_example_usage \
1415 "$ loadfont < /etc/i18n/fontname\n"
1417 #define loadkmap_trivial_usage \
1419 #define loadkmap_full_usage \
1420 "Loads a binary keyboard translation table from standard input."
1421 #define loadkmap_example_usage \
1422 "$ loadkmap < /etc/i18n/lang-keymap\n"
1424 #define logger_trivial_usage \
1425 "[OPTION]... [MESSAGE]"
1426 #define logger_full_usage \
1427 "Write MESSAGE to the system log. If MESSAGE is omitted, log stdin.\n\n" \
1429 "\t-s\tLog to stderr as well as the system log.\n" \
1430 "\t-t\tLog using the specified tag (defaults to user name).\n" \
1431 "\t-p\tEnter the message with the specified priority.\n" \
1432 "\t\tThis may be numerical or a ``facility.level'' pair."
1433 #define logger_example_usage \
1434 "$ logger "hello"\n"
1436 #define login_trivial_usage \
1437 "[OPTION]... [username] [ENV=VAR ...]"
1438 #define login_full_usage \
1439 "Begin a new session on the system\n\n" \
1441 "\t-f\tDo not authenticate (user already authenticated)\n" \
1442 "\t-h\tName of the remote host for this login.\n" \
1443 "\t-p\tPreserve environment."
1445 #define logname_trivial_usage \
1447 #define logname_full_usage \
1448 "Print the name of the current user."
1449 #define logname_example_usage \
1453 #define logread_trivial_usage \
1456 #define logread_full_usage \
1457 "Shows the messages from syslogd (using circular buffer).\n\n"
1459 "\t-f\t\toutput data as the log grows"
1461 #define losetup_trivial_usage \
1462 "[OPTION]... LOOPDEVICE FILE\n" \
1463 "or: losetup [OPTION]... -d LOOPDEVICE"
1464 #define losetup_full_usage \
1465 "Associate LOOPDEVICE with FILE.\n\n" \
1467 "\t-d\t\tDisassociate LOOPDEVICE.\n" \
1468 "\t-o OFFSET\tStart OFFSET bytes into FILE.\n"
1470 #ifdef CONFIG_FEATURE_LS_TIMESTAMPS
1471 #define USAGE_LS_TIMESTAMPS(a) a
1473 #define USAGE_LS_TIMESTAMPS(a)
1475 #ifdef CONFIG_FEATURE_LS_FILETYPES
1476 #define USAGE_LS_FILETYPES(a) a
1478 #define USAGE_LS_FILETYPES(a)
1480 #ifdef CONFIG_FEATURE_LS_FOLLOWLINKS
1481 #define USAGE_LS_FOLLOWLINKS(a) a
1483 #define USAGE_LS_FOLLOWLINKS(a)
1485 #ifdef CONFIG_FEATURE_LS_RECURSIVE
1486 #define USAGE_LS_RECURSIVE(a) a
1488 #define USAGE_LS_RECURSIVE(a)
1490 #ifdef CONFIG_FEATURE_LS_SORTFILES
1491 #define USAGE_LS_SORTFILES(a) a
1493 #define USAGE_LS_SORTFILES(a)
1495 #ifdef CONFIG_FEATURE_AUTOWIDTH
1496 #define USAGE_AUTOWIDTH(a) a
1498 #define USAGE_AUTOWIDTH(a)
1500 #define ls_trivial_usage \
1501 "[-1Aa" USAGE_LS_TIMESTAMPS("c") "Cd" USAGE_LS_TIMESTAMPS("e") USAGE_LS_FILETYPES("F") "iln" USAGE_LS_FILETYPES("p") USAGE_LS_FOLLOWLINKS("L") USAGE_LS_RECURSIVE("R") USAGE_LS_SORTFILES("rS") "s" USAGE_AUTOWIDTH("T") USAGE_LS_TIMESTAMPS("tu") USAGE_LS_SORTFILES("v") USAGE_AUTOWIDTH("w") "x" USAGE_LS_SORTFILES("X") USAGE_HUMAN_READABLE("h") USAGE_NOT_HUMAN_READABLE("") "k" USAGE_SELINUX("K", "") "] [filenames...]"
1502 #define ls_full_usage \
1503 "List directory contents\n\n" \
1505 "\t-1\tlist files in a single column\n" \
1506 "\t-A\tdo not list implied . and ..\n" \
1507 "\t-a\tdo not hide entries starting with .\n" \
1508 "\t-C\tlist entries by columns\n" \
1509 USAGE_LS_TIMESTAMPS("\t-c\twith -l: show ctime\n") \
1510 "\t-d\tlist directory entries instead of contents\n" \
1511 USAGE_LS_TIMESTAMPS("\t-e\tlist both full date and full time\n") \
1512 USAGE_LS_FILETYPES("\t-F\tappend indicator (one of */=@|) to entries\n") \
1513 "\t-i\tlist the i-node for each file\n" \
1514 "\t-l\tuse a long listing format\n" \
1515 "\t-n\tlist numeric UIDs and GIDs instead of names\n" \
1516 USAGE_LS_FILETYPES("\t-p\tappend indicator (one of /=@|) to entries\n") \
1517 USAGE_LS_FOLLOWLINKS("\t-L\tlist entries pointed to by symbolic links\n") \
1518 USAGE_LS_RECURSIVE("\t-R\tlist subdirectories recursively\n") \
1519 USAGE_LS_SORTFILES("\t-r\tsort the listing in reverse order\n") \
1520 USAGE_LS_SORTFILES("\t-S\tsort the listing by file size\n") \
1521 "\t-s\tlist the size of each file, in blocks\n" \
1522 USAGE_AUTOWIDTH("\t-T NUM\tassume Tabstop every NUM columns\n") \
1523 USAGE_LS_TIMESTAMPS("\t-t\twith -l: show modification time\n") \
1524 USAGE_LS_TIMESTAMPS("\t-u\twith -l: show access time\n") \
1525 USAGE_LS_SORTFILES("\t-v\tsort the listing by version\n") \
1526 USAGE_AUTOWIDTH("\t-w NUM\tassume the terminal is NUM columns wide\n") \
1527 "\t-x\tlist entries by lines instead of by columns\n" \
1528 USAGE_LS_SORTFILES("\t-X\tsort the listing by extension\n") \
1529 USAGE_HUMAN_READABLE( \
1530 "\t-h\tprint sizes in human readable format (e.g., 1K 243M 2G )\n" \
1531 USAGE_SELINUX("\t-k\tprint security context\n\t-K\tprint security context in long format\n", ""))
1533 #define lsmod_trivial_usage \
1535 #define lsmod_full_usage \
1536 "List the currently loaded kernel modules."
1538 #define makedevs_trivial_usage \
1539 "NAME TYPE MAJOR MINOR FIRST LAST [s]"
1540 #define makedevs_full_usage \
1541 "Creates a range of block or character special files\n\n" \
1542 "TYPEs include:\n" \
1543 "\tb:\tMake a block (buffered) device.\n" \
1544 "\tc or u:\tMake a character (un-buffered) device.\n" \
1545 "\tp:\tMake a named pipe. MAJOR and MINOR are ignored for named pipes.\n\n" \
1546 "FIRST specifies the number appended to NAME to create the first device.\n" \
1547 "LAST specifies the number of the last item that should be created.\n" \
1548 "If 's' is the last argument, the base device is created as well.\n\n" \
1550 "\tmakedevs /dev/ttyS c 4 66 2 63 -> ttyS2-ttyS63\n" \
1551 "\tmakedevs /dev/hda b 3 0 0 8 s -> hda,hda1-hda8"
1552 #define makedevs_example_usage \
1553 "$ makedevs /dev/ttyS c 4 66 2 63\n" \
1554 "[creates ttyS2-ttyS63]\n" \
1555 "$ makedevs /dev/hda b 3 0 0 8 s\n" \
1556 "[creates hda,hda1-hda8]\n"
1558 #ifdef CONFIG_FEATURE_MD5_SHA1_SUM_CHECK
1559 #define USAGE_MD5_SHA1_SUM_CHECK(a) a
1561 #define USAGE_MD5_SHA1_SUM_CHECK(a)
1564 #define md5sum_trivial_usage \
1565 "[OPTION] [FILEs...]" \
1566 USAGE_MD5_SHA1_SUM_CHECK("\n or: md5sum [OPTION] -c [FILE]")
1567 #define md5sum_full_usage \
1568 "Print" USAGE_MD5_SHA1_SUM_CHECK(" or check") " MD5 checksums.\n\n" \
1570 "With no FILE, or when FILE is -, read standard input." \
1571 USAGE_MD5_SHA1_SUM_CHECK("\n\n" \
1572 "\t-c\tcheck MD5 sums against given list\n" \
1573 "\nThe following two options are useful only when verifying checksums:\n" \
1574 "\t-s\tdon't output anything, status code shows success\n" \
1575 "\t-w\twarn about improperly formated MD5 checksum lines")
1576 #define md5sum_example_usage \
1577 "$ md5sum < busybox\n" \
1578 "6fd11e98b98a58f64ff3398d7b324003\n" \
1579 "$ md5sum busybox\n" \
1580 "6fd11e98b98a58f64ff3398d7b324003 busybox\n" \
1582 "6fd11e98b98a58f64ff3398d7b324003 busybox\n" \
1586 #define mesg_trivial_usage \
1588 #define mesg_full_usage \
1589 "mesg [Y|N], controls write access to your terminal\n" \
1590 "\ty\tAllow write access to your terminal.\n" \
1591 "\tn\tDisallow write access to your terminal.\n"
1593 #define minit_trivial_usage \
1595 #define minit_full_usage \
1598 #define mkdir_trivial_usage \
1599 "[OPTION] DIRECTORY..."
1600 #define mkdir_full_usage \
1601 "Create the DIRECTORY(ies) if they do not already exist\n\n" \
1603 "\t-m\tset permission mode (as in chmod), not rwxrwxrwx - umask\n" \
1604 "\t-p\tno error if existing, make parent directories as needed"
1605 #define mkdir_example_usage \
1606 "$ mkdir /tmp/foo\n" \
1607 "$ mkdir /tmp/foo\n" \
1608 "/tmp/foo: File exists\n" \
1609 "$ mkdir /tmp/foo/bar/baz\n" \
1610 "/tmp/foo/bar/baz: No such file or directory\n" \
1611 "$ mkdir -p /tmp/foo/bar/baz\n"
1613 #define mkfifo_trivial_usage \
1615 #define mkfifo_full_usage \
1616 "Creates a named pipe (identical to 'mknod name p')\n\n" \
1618 "\t-m\tcreate the pipe using the specified mode (default a=rw)"
1620 #define mkfs_minix_trivial_usage \
1621 "[-c | -l filename] [-nXX] [-iXX] /dev/name [blocks]"
1622 #define mkfs_minix_full_usage \
1623 "Make a MINIX filesystem.\n\n" \
1625 "\t-c\t\tCheck the device for bad blocks\n" \
1626 "\t-n [14|30]\tSpecify the maximum length of filenames\n" \
1627 "\t-i INODES\tSpecify the number of inodes for the filesystem\n" \
1628 "\t-l FILENAME\tRead the bad blocks list from FILENAME\n" \
1629 "\t-v\t\tMake a Minix version 2 filesystem"
1631 #define mknod_trivial_usage \
1632 "[OPTIONS] NAME TYPE MAJOR MINOR"
1633 #define mknod_full_usage \
1634 "Create a special file (block, character, or pipe).\n\n" \
1636 "\t-m\tcreate the special file using the specified mode (default a=rw)\n\n" \
1637 "TYPEs include:\n" \
1638 "\tb:\tMake a block (buffered) device.\n" \
1639 "\tc or u:\tMake a character (un-buffered) device.\n" \
1640 "\tp:\tMake a named pipe. MAJOR and MINOR are ignored for named pipes."
1641 #define mknod_example_usage \
1642 "$ mknod /dev/fd0 b 2 0 \n" \
1643 "$ mknod -m 644 /tmp/pipe p\n"
1645 #define mkswap_trivial_usage \
1646 "[-c] [-v0|-v1] device [block-count]"
1647 #define mkswap_full_usage \
1648 "Prepare a disk partition to be used as a swap partition.\n\n" \
1650 "\t-c\t\tCheck for read-ability.\n" \
1651 "\t-v0\t\tMake version 0 swap [max 128 Megs].\n" \
1652 "\t-v1\t\tMake version 1 swap [big!] (default for kernels >\n\t\t\t2.1.117).\n" \
1653 "\tblock-count\tNumber of block to use (default is entire partition)."
1655 #define mktemp_trivial_usage \
1657 #define mktemp_full_usage \
1658 "Creates a temporary file with its name based on TEMPLATE.\n" \
1659 "TEMPLATE is any name with six `Xs' (i.e., /tmp/temp.XXXXXX)."
1660 #define mktemp_example_usage \
1661 "$ mktemp /tmp/temp.XXXXXX\n" \
1662 "/tmp/temp.mWiLjM\n" \
1663 "$ ls -la /tmp/temp.mWiLjM\n" \
1664 "-rw------- 1 andersen andersen 0 Apr 25 17:10 /tmp/temp.mWiLjM\n"
1666 #define modprobe_trivial_usage \
1668 #define modprobe_full_usage \
1669 "Used for high level module loading and unloading."
1670 #define modprobe_example_usage \
1671 "$ modprobe cdrom\n"
1673 #define more_trivial_usage \
1675 #define more_full_usage \
1676 "More is a filter for viewing FILE one screenful at a time."
1677 #define more_example_usage \
1680 #ifdef CONFIG_FEATURE_MOUNT_LOOP
1681 #define USAGE_MOUNT_LOOP(a) a
1683 #define USAGE_MOUNT_LOOP(a)
1685 #ifdef CONFIG_FEATURE_MTAB_SUPPORT
1686 #define USAGE_MTAB(a) a
1688 #define USAGE_MTAB(a)
1690 #define mount_trivial_usage \
1691 "[flags] DEVICE NODE [-o options,more-options]"
1692 #define mount_full_usage \
1693 "Mount a filesystem\n\n" \
1695 "\t-a:\t\tMount all filesystems in fstab.\n" \
1697 "\t-f:\t\t\"Fake\" Add entry to mount table but don't mount it.\n" \
1698 "\t-n:\t\tDon't write a mount table entry.\n" \
1700 "\t-o option:\tOne of many filesystem options, listed below.\n" \
1701 "\t-r:\t\tMount the filesystem read-only.\n" \
1702 "\t-t fs-type:\tSpecify the filesystem type.\n" \
1703 "\t-w:\t\tMount for reading and writing (default).\n" \
1705 "Options for use with the \"-o\" flag:\n" \
1706 "\tasync/sync:\tWrites are asynchronous / synchronous.\n" \
1707 "\tatime/noatime:\tEnable / disable updates to inode access times.\n" \
1708 "\tdev/nodev:\tAllow use of special device files / disallow them.\n" \
1709 "\texec/noexec:\tAllow use of executable files / disallow them.\n" \
1711 "\tloop:\t\tMounts a file via loop device.\n" \
1713 "\tsuid/nosuid:\tAllow set-user-id-root programs / disallow them.\n" \
1714 "\tremount:\tRe-mount a mounted filesystem, changing its flags.\n" \
1715 "\tro/rw:\t\tMount for read-only / read-write.\n" \
1716 "\tbind:\t\tUse the linux 2.4.x \"bind\" feature.\n" \
1717 "\nThere are EVEN MORE flags that are specific to each filesystem.\n" \
1718 "You'll have to see the written documentation for those filesystems."
1719 #define mount_example_usage \
1721 "/dev/hda3 on / type minix (rw)\n" \
1722 "proc on /proc type proc (rw)\n" \
1723 "devpts on /dev/pts type devpts (rw)\n" \
1724 "$ mount /dev/fd0 /mnt -t msdos -o ro\n" \
1725 "$ mount /tmp/diskimage /opt -t ext2 -o loop\n"
1727 #define msvc_trivial_usage \
1728 "-[udorspchaitkx] service"
1729 #define msvc_full_usage \
1730 "[option] service\n" \
1731 "Where option is one of\n" \
1732 "\t-u\tUp. If the service is not running, start it. If the service stops, restart it.\n" \
1733 "\t-d\tDown. If the service is running, stop it, do not restart it.\n" \
1734 "\t-o\tOnce. If the service is not running, start it. Do not restart it if it stops.\n" \
1735 "\t-r\tTell supervise that the service is normally running; this affects status messages.\n" \
1736 "\t-s\tTell supervise that the service is normally stopped; this affects status messages.\n" \
1737 "\t-p\tPause. Send the service a STOP signal.\n" \
1738 "\t-c\tContinue. Send the service a CONT signal.\n" \
1739 "\t-h\tHangup. Send the service a HUP signal.\n" \
1740 "\t-a\tAlarm. Send the service an ALRM signal.\n" \
1741 "\t-i\tInterrupt. Send the service an INT signal.\n" \
1742 "\t-t\tTerminate. Send the service a TERM signal.\n" \
1743 "\t-k\tKill. Send the service a KILL signal.\n" \
1744 "\t-x\tExit. supervise will quit as soon as the service is down.\n"
1746 #define mt_trivial_usage \
1747 "[-f device] opcode value"
1748 #define mt_full_usage \
1749 "Control magnetic tape drive operation\n" \
1750 "\nAvailable Opcodes:\n\n" \
1751 "bsf bsfm bsr bss datacompression drvbuffer eof eom erase\n" \
1752 "fsf fsfm fsr fss load lock mkpart nop offline ras1 ras2\n" \
1753 "ras3 reset retension rewind rewoffline seek setblk setdensity\n" \
1754 "setpart tell unload unlock weof wset"
1756 #define mv_trivial_usage \
1758 "or: mv SOURCE... DIRECTORY"
1759 #define mv_full_usage \
1760 "Rename SOURCE to DEST, or move SOURCE(s) to DIRECTORY."
1761 #define mv_example_usage \
1762 "$ mv /tmp/foo /bin/bar\n"
1764 #define nameif_trivial_usage \
1765 "[-s] [-c FILE] [{IFNAME MACADDR}]"
1766 #define nameif_full_usage \
1767 "Nameif renaming network interface while it in the down state.\n\n" \
1769 "\t-c FILE\t\tUse configuration file (default is /etc/mactab)\n" \
1770 "\t-s\t\tUse syslog (LOCAL0 facility).\n" \
1771 "\tIFNAME MACADDR\tnew_interface_name interface_mac_address\n"
1772 #define nameif_example_usage \
1773 "$ nameif -s dmz0 00:A0:C9:8C:F6:3F\n" \
1775 "$ nameif -c /etc/my_mactab_file\n" \
1777 #define nc_trivial_usage \
1778 "[OPTIONS] [IP] [port]"
1779 #define nc_full_usage \
1780 "Netcat opens a pipe to IP:port\n\n" \
1782 "\t-l\t\tlisten mode, for inbound connects\n" \
1783 "\t-p PORT\t\tlocal port number\n" \
1784 "\t-i SECS\t\tdelay interval for lines sent\n" \
1785 "\t-e PROG\t\tprogram to exec after connect (dangerous!)"
1786 #define nc_example_usage \
1787 "$ nc foobar.somedomain.com 25\n" \
1788 "220 foobar ESMTP Exim 3.12 #1 Sat, 15 Apr 2000 00:03:02 -0600\n" \
1790 "214-Commands supported:\n" \
1791 "214- HELO EHLO MAIL RCPT DATA AUTH\n" \
1792 "214 NOOP QUIT RSET HELP\n" \
1794 "221 foobar closing connection\n"
1796 #define netstat_trivial_usage \
1798 #define netstat_full_usage \
1799 "-l display listening server sockets\n" \
1800 "-a display all sockets (default: connected)\n" \
1801 "-e display other/more information\n" \
1802 "-n don't resolve names\n" \
1803 "-r display routing table\n" \
1804 "-t tcp sockets\n" \
1805 "-u udp sockets\n" \
1806 "-w raw sockets\n" \
1809 #define nslookup_trivial_usage \
1811 #define nslookup_full_usage \
1812 "Queries the nameserver for the IP address of the given HOST\n" \
1813 "optionally using a specified DNS server"
1814 #define nslookup_example_usage \
1815 "$ nslookup localhost\n" \
1816 "Server: default\n" \
1817 "Address: default\n" \
1820 "Address: 127.0.0.1\n"
1822 #define od_trivial_usage \
1823 "[-aBbcDdeFfHhIiLlOovXx] [FILE]"
1824 #define od_full_usage \
1825 "Write an unambiguous representation, octal bytes by default, of FILE\n"\
1826 "to standard output. With no FILE, or when FILE is -, read standard input."
1828 #define openvt_trivial_usage \
1829 "<vtnum> <COMMAND> [ARGS...]"
1830 #define openvt_full_usage \
1831 "Start a command on a new virtual terminal"
1832 #define openvt_example_usage \
1833 "openvt 2 /bin/ash\n"
1835 #ifdef CONFIG_FEATURE_SHA1_PASSWORDS
1836 #define PASSWORD_ALG_TYPES(a) a
1838 #define PASSWORD_ALG_TYPES(a)
1840 #define passwd_trivial_usage \
1842 #define passwd_full_usage \
1843 "Change a user password. If no name is specified,\n" \
1844 "changes the password for the current user.\n" \
1846 "\t-a\tDefine which algorithm shall be used for the password.\n" \
1847 "\t\t\t(Choices: des, md5" \
1848 PASSWORD_ALG_TYPES(", sha1") \
1849 ")\n\t-d\tDelete the password for the specified user account.\n" \
1850 "\t-l\tLocks (disables) the specified user account.\n" \
1851 "\t-u\tUnlocks (re-enables) the specified user account."
1853 #define patch_trivial_usage \
1855 #define patch_full_usage \
1857 #define patch_example_usage \
1858 "$ patch -p1 <example.diff"
1860 #define pidfilehack_trivial_usage \
1861 "[daemon.pid] [daemon]"
1862 #define pidfilehack_full_usage \
1863 "service /var/run/daemon.pid /usr/sbin/daemon args...\n"
1865 #define pidof_trivial_usage \
1866 "process-name [process-name ...]"
1867 #define pidof_full_usage \
1868 "Lists the PIDs of all processes with names that match the names on the command line"
1869 #define pidof_example_usage \
1873 #ifndef CONFIG_FEATURE_FANCY_PING
1874 #define ping_trivial_usage "host"
1875 #define ping_full_usage "Send ICMP ECHO_REQUEST packets to network hosts"
1877 #define ping_trivial_usage \
1879 #define ping_full_usage \
1880 "Send ICMP ECHO_REQUEST packets to network hosts.\n\n" \
1882 "\t-c COUNT\tSend only COUNT pings.\n" \
1883 "\t-s SIZE\t\tSend SIZE data bytes in packets (default=56).\n" \
1884 "\t-q\t\tQuiet mode, only displays output at start\n" \
1885 "\t\t\tand when finished."
1887 #define ping_example_usage \
1888 "$ ping localhost\n" \
1889 "PING slag (127.0.0.1): 56 data bytes\n" \
1890 "64 bytes from 127.0.0.1: icmp_seq=0 ttl=255 time=20.1 ms\n" \
1892 "--- debian ping statistics ---\n" \
1893 "1 packets transmitted, 1 packets received, 0% packet loss\n" \
1894 "round-trip min/avg/max = 20.1/20.1/20.1 ms\n"
1896 #ifndef CONFIG_FEATURE_FANCY_PING6
1897 #define ping6_trivial_usage "host"
1898 #define ping6_full_usage "Send ICMP ECHO_REQUEST packets to network hosts"
1900 #define ping6_trivial_usage \
1902 #define ping6_full_usage \
1903 "Send ICMP ECHO_REQUEST packets to network hosts.\n\n" \
1905 "\t-c COUNT\tSend only COUNT pings.\n" \
1906 "\t-s SIZE\t\tSend SIZE data bytes in packets (default=56).\n" \
1907 "\t-q\t\tQuiet mode, only displays output at start\n" \
1908 "\t\t\tand when finished."
1910 #define ping6_example_usage \
1911 "$ ping6 ip6-localhost\n" \
1912 "PING ip6-localhost (::1): 56 data bytes\n" \
1913 "64 bytes from ::1: icmp6_seq=0 ttl=64 time=20.1 ms\n" \
1915 "--- ip6-localhost ping statistics ---\n" \
1916 "1 packets transmitted, 1 packets received, 0% packet loss\n" \
1917 "round-trip min/avg/max = 20.1/20.1/20.1 ms\n"
1919 #define pivot_root_trivial_usage \
1921 #define pivot_root_full_usage \
1922 "Move the current root file system to PUT_OLD and make NEW_ROOT\n" \
1923 "the new root file system."
1925 #define poweroff_trivial_usage \
1927 #define poweroff_full_usage \
1928 "Halt the system and request that the kernel shut off the power."
1930 #define printf_trivial_usage \
1931 "FORMAT [ARGUMENT...]"
1932 #define printf_full_usage \
1933 "Formats and prints ARGUMENT(s) according to FORMAT,\n" \
1934 "Where FORMAT controls the output exactly as in C printf."
1935 #define printf_example_usage \
1936 "$ printf "Val=%d\\n" 5\n" \
1939 #define ps_trivial_usage \
1941 #define ps_full_usage \
1942 "Report process status\n" \
1943 USAGE_SELINUX("\nOptions:\n\t-c\tshow SE Linux context", "\nThis version of ps accepts no options.")
1945 #define ps_example_usage \
1947 " PID Uid Gid State Command\n" \
1948 " 1 root root S init\n" \
1949 " 2 root root S [kflushd]\n" \
1950 " 3 root root S [kupdate]\n" \
1951 " 4 root root S [kpiod]\n" \
1952 " 5 root root S [kswapd]\n" \
1953 " 742 andersen andersen S [bash]\n" \
1954 " 743 andersen andersen S -bash\n" \
1955 " 745 root root S [getty]\n" \
1956 " 2990 andersen andersen R ps\n"
1958 #define pwd_trivial_usage \
1960 #define pwd_full_usage \
1961 "Print the full filename of the current working directory."
1962 #define pwd_example_usage \
1966 #define raid_start_trivial_usage \
1967 "MD_DEVICE DISK_DEVICE"
1968 #define raid_start_full_usage \
1969 "Start MD_DEVICE, taking superblock from DISK_DEVICE.\n" \
1970 "Example: raid_start /dev/md0 /dev/sdb"
1972 #define rdate_trivial_usage \
1974 #define rdate_full_usage \
1975 "Get and possibly set the system date and time from a remote HOST.\n\n" \
1977 "\t-s\tSet the system date and time (default).\n" \
1978 "\t-p\tPrint the date and time."
1980 #define readlink_trivial_usage \
1982 #define readlink_full_usage \
1983 "Read a symbolic link."
1985 #define realpath_trivial_usage \
1987 #define realpath_full_usage \
1988 "return the canonicalized absolute pathnames of given arguments\n\n"
1990 #define reboot_trivial_usage \
1992 #define reboot_full_usage \
1993 "Reboot the system."
1995 #define renice_trivial_usage \
1996 "priority pid [pid ...]"
1997 #define renice_full_usage \
1998 "Changes priority of running processes. Allowed priorities range\n" \
1999 "from 20 (the process runs only when nothing else is running) to 0\n" \
2000 "(default priority) to -20 (almost nothing else ever gets to run)."
2002 #define reset_trivial_usage \
2004 #define reset_full_usage \
2005 "Resets the screen."
2007 #define rm_trivial_usage \
2008 "[OPTION]... FILE..."
2009 #define rm_full_usage \
2010 "Remove (unlink) the FILE(s). You may use '--' to\n" \
2011 "indicate that all following arguments are non-options.\n\n" \
2013 "\t-i\t\talways prompt before removing each destination\n" \
2014 "\t-f\t\tremove existing destinations, never prompt\n" \
2015 "\t-r or -R\tremove the contents of directories recursively"
2016 #define rm_example_usage \
2017 "$ rm -rf /tmp/foo\n"
2019 #define rmdir_trivial_usage \
2020 "[OPTION]... DIRECTORY..."
2021 #define rmdir_full_usage \
2022 "Remove the DIRECTORY(ies), if they are empty."
2023 #define rmdir_example_usage \
2024 "# rmdir /tmp/foo\n"
2026 #define rmmod_trivial_usage \
2027 "[OPTION]... [MODULE]..."
2028 #define rmmod_full_usage \
2029 "Unloads the specified kernel modules from the kernel.\n\n" \
2031 "\t-a\tRemove all unused modules (recursively)"
2032 #define rmmod_example_usage \
2035 #define route_trivial_usage \
2037 #define route_full_usage \
2038 "Edit the kernel's routing tables.\n\n" \
2040 "\t-n\tDont resolve names.\n" \
2041 "\t-e\tDisplay other/more information"
2043 #define rpm_trivial_usage \
2044 "-i -q[ildc]p package.rpm"
2045 #define rpm_full_usage \
2046 "Manipulates RPM packages" \
2048 "\n\t-i Install package" \
2049 "\n\t-q Query package" \
2050 "\n\t-p Query uninstalled package" \
2051 "\n\t-i Show information" \
2052 "\n\t-l List contents" \
2053 "\n\t-d List documents" \
2054 "\n\t-c List config files"
2056 #define rpm2cpio_trivial_usage \
2058 #define rpm2cpio_full_usage \
2059 "Outputs a cpio archive of the rpm file."
2061 #define run_parts_trivial_usage \
2062 "[-t] [-a ARG] [-u MASK] DIRECTORY"
2063 #define run_parts_full_usage \
2064 "Run a bunch of scripts in a directory.\n\n" \
2066 "\t-t\t\tTest only what file will be executed, without execute them.\n" \
2067 "\t-a ARG\tPass ARG as an argument for every program invoked.\n" \
2068 "\t-u MASK\tSet the umask to MASK before executing every program."
2070 #define sed_trivial_usage \
2071 "[-nef] pattern [files...]"
2072 #define sed_full_usage \
2074 "\t-n\t\tsuppress automatic printing of pattern space\n" \
2075 "\t-e script\tadd the script to the commands to be executed\n" \
2076 "\t-f scriptfile\tadd the contents of script-file to the commands to be executed\n" \
2078 "If no -e or -f is given, the first non-option argument is taken as the\n" \
2079 "sed script to interpret. All remaining arguments are names of input\n" \
2080 "files; if no input files are specified, then the standard input is read."
2081 #define sed_example_usage \
2082 "$ echo "foo" | sed -e 's/f[a-zA-Z]o/bar/g'\n" \
2085 #define setkeycodes_trivial_usage \
2086 "SCANCODE KEYCODE ..."
2087 #define setkeycodes_full_usage \
2088 "Set entries into the kernel's scancode-to-keycode map,\n" \
2089 "allowing unusual keyboards to generate usable keycodes.\n\n" \
2090 "SCANCODE may be either xx or e0xx (hexadecimal),\n" \
2091 "and KEYCODE is given in decimal"
2092 #define setkeycodes_example_usage \
2093 "$ setkeycodes e030 127\n"
2095 #define lash_trivial_usage \
2097 "or: sh -c command [args]..."
2098 #define lash_full_usage \
2099 "The BusyBox LAme SHell (command interpreter)"
2100 #define lash_notes_usage \
2101 "This command does not yet have proper documentation.\n" \
2103 "Use lash just as you would use any other shell. It properly handles pipes,\n" \
2104 "redirects, job control, can be used as the shell for scripts, and has a\n" \
2105 "sufficient set of builtins to do what is needed. It does not (yet) support\n" \
2106 "Bourne Shell syntax. If you need things like "if-then-else", "while", and such\n" \
2107 "use ash or bash. If you just need a very simple and extremely small shell,\n" \
2108 "this will do the job."
2110 #define last_trivial_usage \
2112 #define last_full_usage \
2113 "Shows listing of the last users that logged into the system"
2115 #define sha1sum_trivial_usage \
2116 "[OPTION] [FILEs...]" \
2117 USAGE_MD5_SHA1_SUM_CHECK("\n or: sha1sum [OPTION] -c [FILE]")
2118 #define sha1sum_full_usage \
2119 "Print" USAGE_MD5_SHA1_SUM_CHECK(" or check") " SHA1 checksums.\n\n" \
2121 "With no FILE, or when FILE is -, read standard input." \
2122 USAGE_MD5_SHA1_SUM_CHECK("\n\n" \
2123 "\t-c\tcheck SHA1 sums against given list\n" \
2124 "\nThe following two options are useful only when verifying checksums:\n" \
2125 "\t-s\tdon't output anything, status code shows success\n" \
2126 "\t-w\twarn about improperly formated SHA1 checksum lines")
2128 #ifdef CONFIG_FEATURE_FANCY_SLEEP
2129 #define USAGE_FANCY_SLEEP(a) a
2130 #define USAGE_NOT_FANCY_SLEEP(a)
2132 #define USAGE_FANCY_SLEEP(a)
2133 #define USAGE_NOT_FANCY_SLEEP(a) a
2136 #define sleep_trivial_usage \
2137 USAGE_FANCY_SLEEP("[") "N" USAGE_FANCY_SLEEP("]...")
2138 #define sleep_full_usage \
2139 USAGE_NOT_FANCY_SLEEP("Pause for N seconds.") \
2140 USAGE_FANCY_SLEEP( \
2141 "Pause for a time equal to the total of the args given, where each arg can\n" \
2142 "have an optional suffix of (s)econds, (m)inutes, (h)ours, or (d)ays.")
2143 #define sleep_example_usage \
2145 "[2 second delay results]\n" \
2146 USAGE_FANCY_SLEEP("$ sleep 1d 3h 22m 8s\n" \
2147 "[98528 second delay results]\n")
2149 #ifdef CONFIG_FEATURE_SORT_UNIQUE
2150 #define USAGE_SORT_UNIQUE(a) a
2152 #define USAGE_SORT_UNIQUE(a)
2154 #ifdef CONFIG_FEATURE_SORT_REVERSE
2155 #define USAGE_SORT_REVERSE(a) a
2157 #define USAGE_SORT_REVERSE(a)
2159 #define sort_trivial_usage \
2160 "[-n" USAGE_SORT_REVERSE("r") USAGE_SORT_UNIQUE("u") "] [FILE]..."
2161 #define sort_full_usage \
2162 "Sorts lines of text in the specified files\n\n"\
2164 USAGE_SORT_UNIQUE("\t-u\tsuppress duplicate lines\n") \
2165 USAGE_SORT_REVERSE("\t-r\tsort in reverse order\n") \
2166 "\t-n\tsort numerics"
2167 #define sort_example_usage \
2168 "$ echo -e \"e\\nf\\nb\\nd\\nc\\na\" | sort\n" \
2176 #define start_stop_daemon_trivial_usage \
2178 #define start_stop_daemon_full_usage \
2179 "Program to start and stop services.\n"\
2183 "-b\t\t\tforce process into background (daemonize)\n"\
2184 "-x <executable>\t\tprogram to start/check if it is running\n"\
2185 "-u <username>|<uid>\tstop this user's processes\n"\
2186 "-n <process-name>\tstop processes with this name\n"\
2187 "-s <signal>\t\tsignal to send (default 15)\n"\
2188 "-a <pathname>\t\tprogram to start (default <executable>)\n"
2190 #define strings_trivial_usage \
2191 "[-afo] [-n length] [file ... ]"
2192 #define strings_full_usage \
2193 "Display printable strings in a binary file." \
2195 "\n\t-f\tPrecede each string with the name of the file where it was found." \
2196 "\n\t-n N\tSpecifies that at least N characters forms a sequence (default 4)" \
2197 "\n\t-o\tEach string is preceded by its decimal offset in the file."
2199 #define stty_trivial_usage \
2200 "[-a|g] [-F DEVICE] [SETTING]..."
2201 #define stty_full_usage \
2202 "Without arguments, prints baud rate, line discipline," \
2203 "\nand deviations from stty sane." \
2205 "\n\t-F DEVICE\topen device instead of stdin" \
2206 "\n\t-a\t\tprint all current settings in human-readable form" \
2207 "\n\t-g\t\tprint in stty-readable form" \
2208 "\n\t[SETTING]\tsee manpage"
2210 #define su_trivial_usage \
2211 "[OPTION]... [-] [username]"
2212 #define su_full_usage \
2213 "Change user id or become root.\n" \
2215 "\t-p\tPreserve environment"
2217 #define sulogin_trivial_usage \
2218 "[OPTION]... [tty-device]"
2219 #define sulogin_full_usage \
2220 "Single user login\n" \
2222 "\t-f\tDo not authenticate (user already authenticated)\n" \
2223 "\t-h\tName of the remote host for this login.\n" \
2224 "\t-p\tPreserve environment."
2226 #define swapoff_trivial_usage \
2228 #define swapoff_full_usage \
2229 "Stop swapping virtual memory pages on DEVICE.\n\n" \
2231 "\t-a\tStop swapping on all swap devices"
2233 #define swapon_trivial_usage \
2235 #define swapon_full_usage \
2236 "Start swapping virtual memory pages on DEVICE.\n\n" \
2238 "\t-a\tStart swapping on all swap devices"
2240 #define sync_trivial_usage \
2242 #define sync_full_usage \
2243 "Write all buffered filesystem blocks to disk."
2246 #ifdef CONFIG_FEATURE_ROTATE_LOGFILE
2247 #define USAGE_ROTATE_LOGFILE(a) a
2249 #define USAGE_ROTATE_LOGFILE(a)
2251 #ifdef CONFIG_FEATURE_REMOTE_LOG
2252 #define USAGE_REMOTE_LOG(a) a
2254 #define USAGE_REMOTE_LOG(a)
2256 #ifdef CONFIG_FEATURE_IPC_SYSLOG
2257 #define USAGE_IPC_LOG(a) a
2259 #define USAGE_IPC_LOG(a)
2262 #define syslogd_trivial_usage \
2264 #define syslogd_full_usage \
2265 "Linux system and kernel logging utility.\n" \
2266 "Note that this version of syslogd ignores /etc/syslog.conf.\n\n" \
2268 "\t-m NUM\t\tInterval between MARK lines (default=20min, 0=off)\n" \
2269 "\t-n\t\tRun as a foreground process\n" \
2270 "\t-O FILE\t\tUse an alternate log file (default=/var/log/messages)" \
2271 USAGE_ROTATE_LOGFILE( \
2272 "\n\t-s SIZE\t\tMax size (KB) bevor rotate (default=200KB, 0=off)\n" \
2273 "\t-b NUM\t\tNumber of rotated log files (default=1, 0=purge log)") \
2275 "\n\t-R HOST[:PORT]\tLog to IP or hostname on PORT (default PORT=514/UDP)\n" \
2276 "\t-L\t\tLog locally and via network logging (default is network only)") \
2278 "\n\t-C [size(KiB)]\tLog to a circular buffer (read the buffer using logread)")
2279 #define syslogd_example_usage \
2280 "$ syslogd -R masterlog:514\n" \
2281 "$ syslogd -R 192.168.1.1:601\n"
2284 #ifndef CONFIG_FEATURE_FANCY_TAIL
2285 #define USAGE_UNSIMPLE_TAIL(a)
2287 #define USAGE_UNSIMPLE_TAIL(a) a
2289 #define tail_trivial_usage \
2290 "[OPTION]... [FILE]..."
2291 #define tail_full_usage \
2292 "Print last 10 lines of each FILE to standard output.\n" \
2293 "With more than one FILE, precede each with a header giving the\n" \
2294 "file name. With no FILE, or when FILE is -, read standard input.\n\n" \
2296 USAGE_UNSIMPLE_TAIL("\t-c N[kbm]\toutput the last N bytes\n") \
2297 "\t-n N[kbm]\tprint last N lines instead of last 10\n" \
2298 "\t-f\t\toutput data as the file grows" \
2299 USAGE_UNSIMPLE_TAIL( "\n\t-q\t\tnever output headers giving file names\n" \
2300 "\t-s SEC\t\twait SEC seconds between reads with -f\n" \
2301 "\t-v\t\talways output headers giving file names\n\n" \
2302 "If the first character of N (bytes or lines) is a '+', output begins with \n" \
2303 "the Nth item from the start of each file, otherwise, print the last N items\n" \
2304 "in the file. N bytes may be suffixed by k (x1024), b (x512), or m (1024^2)." )
2305 #define tail_example_usage \
2306 "$ tail -n 1 /etc/resolv.conf\n" \
2307 "nameserver 10.0.0.1\n"
2309 #ifdef CONFIG_FEATURE_TAR_CREATE
2310 #define USAGE_TAR_CREATE(a) a
2312 #define USAGE_TAR_CREATE(a)
2314 #ifdef CONFIG_FEATURE_TAR_EXCLUDE
2315 #define USAGE_TAR_EXCLUDE(a) a
2317 #define USAGE_TAR_EXCLUDE(a)
2319 #ifdef CONFIG_FEATURE_TAR_GZIP
2320 #define USAGE_TAR_GZIP(a) a
2322 #define USAGE_TAR_GZIP(a)
2324 #ifdef CONFIG_FEATURE_TAR_BZIP2
2325 #define USAGE_TAR_BZIP2(a) a
2327 #define USAGE_TAR_BZIP2(a)
2329 #ifdef CONFIG_FEATURE_TAR_COMPRESS
2330 #define USAGE_TAR_COMPRESS(a) a
2332 #define USAGE_TAR_COMPRESS(a)
2335 #define tar_trivial_usage \
2336 "-[" USAGE_TAR_CREATE("c") USAGE_TAR_GZIP("z") USAGE_TAR_BZIP2("j") USAGE_TAR_COMPRESS("Z") "xtvO] " \
2337 USAGE_TAR_EXCLUDE("[--exclude FILE] [-X FILE]") \
2338 "[-f TARFILE] [-C DIR] [FILE(s)] ..."
2339 #define tar_full_usage \
2340 "Create, extract, or list files from a tar file.\n\n" \
2342 USAGE_TAR_CREATE("\tc\t\tcreate\n") \
2343 "\tx\t\textract\n" \
2345 "\nArchive format selection:\n" \
2346 USAGE_TAR_GZIP("\tz\t\tFilter the archive through gzip\n") \
2347 USAGE_TAR_BZIP2("\tj\t\tFilter the archive through bzip2\n") \
2348 USAGE_TAR_COMPRESS("\tZ\t\tFilter the archive through compress\n") \
2349 "\nFile selection:\n" \
2350 "\tf\t\tname of TARFILE or \"-\" for stdin\n" \
2351 "\tO\t\textract to stdout\n" \
2352 USAGE_TAR_EXCLUDE( \
2353 "\texclude\t\tfile to exclude\n" \
2354 "\tX\t\tfile with names to exclude\n" \
2356 "\tC\t\tchange to directory DIR before operation\n" \
2357 "\tv\t\tverbosely list files processed"
2358 #define tar_example_usage \
2359 "$ zcat /tmp/tarball.tar.gz | tar -xf -\n" \
2360 "$ tar -cf /tmp/tarball.tar /usr/local\n"
2362 #define tee_trivial_usage \
2363 "[OPTION]... [FILE]..."
2364 #define tee_full_usage \
2365 "Copy standard input to each FILE, and also to standard output.\n\n" \
2367 "\t-a\tappend to the given FILEs, do not overwrite\n" \
2368 "\t-i\tignore interrupt signals (SIGINT)"
2369 #define tee_example_usage \
2370 "$ echo "Hello" | tee /tmp/foo\n" \
2371 "$ cat /tmp/foo\n" \
2374 #define telnet_trivial_usage \
2376 #define telnet_full_usage \
2377 "Telnet is used to establish interactive communication with another\n"\
2378 "computer over a network using the TELNET protocol."
2380 #ifdef CONFIG_FEATURE_TELNETD_INETD
2381 #define telnetd_trivial_usage \
2382 "(inetd mode) [OPTION]"
2383 #define telnetd_full_usage \
2384 "Telnetd uses incoming TELNET connections via inetd.\n"\
2386 "\t-l LOGIN\texec LOGIN on connect (default /bin/sh)"
2388 #define telnetd_trivial_usage \
2390 #define telnetd_full_usage \
2391 "Telnetd listens for incoming TELNET connections on PORT.\n"\
2393 "\t-p PORT\tlisten for connections on PORT (default 23)\n"\
2394 "\t-l LOGIN\texec LOGIN on connect (default /bin/sh)"
2397 #define test_trivial_usage \
2398 "EXPRESSION\n or [ EXPRESSION ]"
2399 #define test_full_usage \
2400 "Checks file types and compares values returning an exit\n" \
2401 "code determined by the value of EXPRESSION."
2402 #define test_example_usage \
2403 "$ test 1 -eq 2\n" \
2406 "$ test 1 -eq 1\n" \
2412 "$ [ -d /junk ]\n" \
2416 #ifdef CONFIG_FEATURE_TFTP_GET
2417 #define USAGE_TFTP_GET(a) a
2419 #define USAGE_TFTP_GET(a)
2421 #ifdef CONFIG_FEATURE_TFTP_PUT
2422 #define USAGE_TFTP_PUT(a) a
2424 #define USAGE_TFTP_PUT(a)
2426 #ifdef CONFIG_FEATURE_TFTP_BLOCKSIZE
2427 #define USAGE_TFTP_BS(a) a
2429 #define USAGE_TFTP_BS(a)
2432 #define tftp_trivial_usage \
2433 "[OPTION]... HOST [PORT]"
2434 #define tftp_full_usage \
2435 "Transfers a file from/to a tftp server using \"octet\" mode.\n\n" \
2437 "\t-l FILE\tLocal FILE.\n" \
2438 "\t-r FILE\tRemote FILE.\n" \
2440 "\t-g\tGet file.\n" \
2443 "\t-p\tPut file.\n" \
2446 "\t-b SIZE\tTransfer blocks of SIZE octets.\n" \
2448 #define time_trivial_usage \
2449 "[OPTION]... COMMAND [ARGS...]"
2450 #define time_full_usage \
2451 "Runs the program COMMAND with arguments ARGS. When COMMAND finishes,\n" \
2452 "COMMAND's resource usage information is displayed\n\n" \
2454 "\t-v\tDisplays verbose resource usage information."
2456 #define top_trivial_usage \
2458 #define top_full_usage \
2459 "top provides an view of processor activity in real time.\n" \
2460 "This utility reads the status for all processes in /proc each <seconds>\n" \
2461 "and shows the status for however many processes will fit on the screen.\n" \
2462 "This utility will not show processes that are started after program startup,\n" \
2463 "but it will show the EXIT status for and PIDs that exit while it is running."
2465 #define touch_trivial_usage \
2466 "[-c] FILE [FILE ...]"
2467 #define touch_full_usage \
2468 "Update the last-modified date on the given FILE[s].\n\n" \
2470 "\t-c\tDo not create any files"
2471 #define touch_example_usage \
2472 "$ ls -l /tmp/foo\n" \
2473 "/bin/ls: /tmp/foo: No such file or directory\n" \
2474 "$ touch /tmp/foo\n" \
2475 "$ ls -l /tmp/foo\n" \
2476 "-rw-rw-r-- 1 andersen andersen 0 Apr 15 01:11 /tmp/foo\n"
2478 #define tr_trivial_usage \
2479 "[-cds] STRING1 [STRING2]"
2480 #define tr_full_usage \
2481 "Translate, squeeze, and/or delete characters from\n" \
2482 "standard input, writing to standard output.\n\n" \
2484 "\t-c\ttake complement of STRING1\n" \
2485 "\t-d\tdelete input characters coded STRING1\n" \
2486 "\t-s\tsqueeze multiple output characters of STRING2 into one character"
2487 #define tr_example_usage \
2488 "$ echo "gdkkn vnqkc" | tr [a-y] [b-z]\n" \
2491 #define traceroute_trivial_usage \
2492 "[-dnrv] [-m max_ttl] [-p port#] [-q nqueries]\n\
2493 [-s src_addr] [-t tos] [-w wait] host [data size]"
2494 #define traceroute_full_usage \
2495 "trace the route ip packets follow going to \"host\"\n" \
2497 "\t-d\tset SO_DEBUG options to socket\n" \
2498 "\t-n\tPrint hop addresses numerically rather than symbolically\n" \
2499 "\t-r\tBypass the normal routing tables and send directly to a host\n" \
2500 "\t-v\tVerbose output\n" \
2501 "\t-m max_ttl\tSet the max time-to-live (max number of hops)\n" \
2502 "\t-p port#\tSet the base UDP port number used in probes\n" \
2503 "\t\t(default is 33434)\n" \
2504 "\t-q nqueries\tSet the number of probes per ``ttl'' to nqueries\n" \
2505 "\t\t(default is 3)\n" \
2506 "\t-s src_addr\tUse the following IP address as the source address\n" \
2507 "\t-t tos\tSet the type-of-service in probe packets to the following value\n" \
2508 "\t\t(default 0)\n" \
2509 "\t-w wait\tSet the time (in seconds) to wait for a response to a probe\n" \
2510 "\t\t(default 3 sec.)."
2513 #define true_trivial_usage \
2515 #define true_full_usage \
2516 "Return an exit code of TRUE (0)."
2517 #define true_example_usage \
2522 #define tty_trivial_usage \
2524 #define tty_full_usage \
2525 "Print the file name of the terminal connected to standard input.\n\n"\
2527 "\t-s\tprint nothing, only return an exit status"
2528 #define tty_example_usage \
2532 #define udhcpc_trivial_usage \
2533 "[-fbnqv] [-c CLIENTID] [-H HOSTNAME] [-i INTERFACE]\n[-p pidfile] [-r IP] [-s script]"
2534 #define udhcpc_full_usage \
2535 "\t-c,\t--clientid=CLIENTID\tClient identifier\n" \
2536 "\t-H,\t--hostname=HOSTNAME\tClient hostname\n" \
2537 "\t-h,\t \tAlias for -H\n" \
2538 "\t-f,\t--foreground\tDo not fork after getting lease\n" \
2539 "\t-b,\t--background\tFork to background if lease cannot be immediately negotiated.\n" \
2540 "\t-i,\t--interface=INTERFACE\tInterface to use (default: eth0)\n" \
2541 "\t-n,\t--now\tExit with failure if lease cannot be immediately negotiated.\n" \
2542 "\t-p,\t--pidfile=file\tStore process ID of daemon in file\n" \
2543 "\t-q,\t--quit\tQuit after obtaining lease\n" \
2544 "\t-r,\t--request=IP\tIP address to request (default: none)\n" \
2545 "\t-s,\t--script=file\tRun file at dhcp events (default: /usr/share/udhcpc/default.script)\n" \
2546 "\t-v,\t--version\tDisplay version"
2548 #define udhcpd_trivial_usage \
2551 #define udhcpd_full_usage \
2554 #ifdef CONFIG_FEATURE_MOUNT_FORCE
2555 #define USAGE_MOUNT_FORCE(a) a
2557 #define USAGE_MOUNT_FORCE(a)
2559 #define umount_trivial_usage \
2560 "[flags] FILESYSTEM|DIRECTORY"
2561 #define umount_full_usage \
2562 "Unmount file systems\n" \
2563 "\nFlags:\n" "\t-a\tUnmount all file systems" \
2564 USAGE_MTAB(" in /etc/mtab\n\t-n\tDon't erase /etc/mtab entries") \
2565 "\n\t-r\tTry to remount devices as read-only if mount is busy" \
2566 USAGE_MOUNT_FORCE("\n\t-f\tForce umount (i.e., unreachable NFS server)") \
2567 USAGE_MOUNT_LOOP("\n\t-l\tDo not free loop device (if a loop device has been used)")
2568 #define umount_example_usage \
2569 "$ umount /dev/hdc1 \n"
2571 #define uname_trivial_usage \
2573 #define uname_full_usage \
2574 "Print certain system information. With no OPTION, same as -s.\n\n" \
2576 "\t-a\tprint all information\n" \
2577 "\t-m\tthe machine (hardware) type\n" \
2578 "\t-n\tprint the machine's network node hostname\n" \
2579 "\t-r\tprint the operating system release\n" \
2580 "\t-s\tprint the operating system name\n" \
2581 "\t-p\tprint the host processor type\n" \
2582 "\t-v\tprint the operating system version"
2583 #define uname_example_usage \
2585 "Linux debian 2.2.15pre13 #5 Tue Mar 14 16:03:50 MST 2000 i686 unknown\n"
2587 #define uncompress_trivial_usage \
2588 "[-c] [-f] [ name ... ]"
2589 #define uncompress_full_usage \
2590 "Uncompress .Z file[s]\n" \
2592 "\t-c\textract to stdout\n" \
2593 "\t-f\tforce overwrite an existing file\n"
2595 #define uniq_trivial_usage \
2596 "[OPTION]... [INPUT [OUTPUT]]"
2597 #define uniq_full_usage \
2598 "Discard all but one of successive identical lines from INPUT\n" \
2599 "(or standard input), writing to OUTPUT (or standard output).\n\n" \
2601 "\t-c\tprefix lines by the number of occurrences\n" \
2602 "\t-d\tonly print duplicate lines\n" \
2603 "\t-u\tonly print unique lines\n" \
2604 "\t-f N\tskip the first N fields\n" \
2605 "\t-s N\tskip the first N chars (after any skipped fields)"
2606 #define uniq_example_usage \
2607 "$ echo -e \"a\\na\\nb\\nc\\nc\\na\" | sort | uniq\n" \
2612 #define unix2dos_trivial_usage \
2614 #define unix2dos_full_usage \
2615 "Converts FILE from unix format to dos format. When no option\n" \
2616 "is given, the input is converted to the opposite output format.\n" \
2617 "When no file is given, uses stdin for input and stdout for output.\n" \
2619 "\t-u\toutput will be in UNIX format\n" \
2620 "\t-d\toutput will be in DOS format"
2622 #define unzip_trivial_usage \
2623 "[-opts[modifiers]] file[.zip] [list] [-x xlist] [-d exdir]"
2624 #define unzip_full_usage \
2625 "Extracts files from ZIP archives.\n\n" \
2627 "\t-l\tlist archive contents (short form)\n" \
2628 "\t-n\tnever overwrite existing files (default)\n" \
2629 "\t-o\toverwrite files without prompting\n" \
2630 "\t-p\tsend output to stdout\n" \
2631 "\t-q\tbe quiet\n" \
2632 "\t-x\texclude these files\n" \
2633 "\t-d\textract files into this directory"
2635 #define uptime_trivial_usage \
2637 #define uptime_full_usage \
2638 "Display the time since the last boot."
2639 #define uptime_example_usage \
2641 " 1:55pm up 2:30, load average: 0.09, 0.04, 0.00\n"
2643 #define usleep_trivial_usage \
2645 #define usleep_full_usage \
2646 "Pause for N microseconds."
2647 #define usleep_example_usage \
2648 "$ usleep 1000000\n" \
2649 "[pauses for 1 second]\n"
2651 #define uudecode_trivial_usage \
2653 #define uudecode_full_usage \
2654 "Uudecode a file that is uuencoded.\n\n" \
2656 "\t-o FILE\tdirect output to FILE"
2657 #define uudecode_example_usage \
2658 "$ uudecode -o busybox busybox.uu\n" \
2659 "$ ls -l busybox\n" \
2660 "-rwxr-xr-x 1 ams ams 245264 Jun 7 21:35 busybox\n"
2662 #define uuencode_trivial_usage \
2663 "[OPTION] [INFILE] REMOTEFILE"
2664 #define uuencode_full_usage \
2665 "Uuencode a file.\n\n" \
2667 "\t-m\tuse base64 encoding per RFC1521"
2668 #define uuencode_example_usage \
2669 "$ uuencode busybox busybox\n" \
2670 "begin 755 busybox\n" \
2671 "<encoded file snipped>\n" \
2672 "$ uudecode busybox busybox > busybox.uu\n" \
2675 #define vconfig_trivial_usage \
2676 "COMMAND [OPTIONS] ..."
2678 #define vconfig_full_usage \
2679 "Usage: add [interface-name] [vlan_id] \n" \
2680 " rem [vlan-name] \n" \
2681 " set_flag [interface-name] [flag-num] [0 | 1] \n" \
2682 " set_egress_map [vlan-name] [skb_priority] [vlan_qos] \n" \
2683 " set_ingress_map [vlan-name] [skb_priority] [vlan_qos] \n" \
2684 " set_name_type [name-type] \n"
2686 #define vi_trivial_usage \
2687 "[OPTION] [FILE]..."
2688 #define vi_full_usage \
2691 "\t-R\tRead-only- do not write to the file."
2693 #define vlock_trivial_usage \
2695 #define vlock_full_usage \
2696 "Lock a virtual terminal. A password is required to unlock\n" \
2698 "\t-a\tLock all VTs"
2700 #define watch_trivial_usage \
2701 "[-n <seconds>] COMMAND..."
2702 #define watch_full_usage \
2703 "Executes a program periodically.\n" \
2705 "\t-n\tLoop period in seconds - default is 2."
2706 #define watch_example_usage \
2708 "Mon Dec 17 10:31:40 GMT 2000\n" \
2709 "Mon Dec 17 10:31:42 GMT 2000\n" \
2710 "Mon Dec 17 10:31:44 GMT 2000"
2712 #define watchdog_trivial_usage \
2713 "[-t <seconds>] DEV"
2714 #define watchdog_full_usage \
2715 "Periodically write to watchdog device DEV.\n" \
2717 "\t-t\tTimer period in seconds - default is 30."
2719 #define wc_trivial_usage \
2720 "[OPTION]... [FILE]..."
2721 #define wc_full_usage \
2722 "Print line, word, and byte counts for each FILE, and a total line if\n" \
2723 "more than one FILE is specified. With no FILE, read standard input.\n\n" \
2725 "\t-c\tprint the byte counts\n" \
2726 "\t-l\tprint the newline counts\n" \
2727 "\t-L\tprint the length of the longest line\n" \
2728 "\t-w\tprint the word counts"
2729 #define wc_example_usage \
2730 "$ wc /etc/passwd\n" \
2731 " 31 46 1365 /etc/passwd\n"
2733 #define wget_trivial_usage \
2734 "[-c|--continue] [-q|--quiet] [-O|--output-document file]\n\t[--header 'header: value'] [-Y|--proxy on/off] [-P DIR] url"
2735 #define wget_full_usage \
2736 "wget retrieves files via HTTP or FTP\n\n" \
2738 "\t-c\tcontinue retrieval of aborted transfers\n" \
2739 "\t-q\tquiet mode - do not print\n" \
2740 "\t-P\tSet directory prefix to DIR\n" \
2741 "\t-O\tsave to filename ('-' for stdout)\n" \
2742 "\t-Y\tuse proxy ('on' or 'off')"
2744 #define which_trivial_usage \
2746 #define which_full_usage \
2747 "Locates a COMMAND."
2748 #define which_example_usage \
2752 #define who_trivial_usage \
2754 #define who_full_usage \
2755 "Prints the current user names and related information"
2757 #define whoami_trivial_usage \
2759 #define whoami_full_usage \
2760 "Prints the user name associated with the current effective user id."
2762 #ifdef CONFIG_FEATURE_XARGS_SUPPORT_CONFIRMATION
2763 #define USAGE_XARGS_CONFIRMATION(a) a
2765 #define USAGE_XARGS_CONFIRMATION(a)
2767 #ifdef CONFIG_FEATURE_XARGS_SUPPORT_TERMOPT
2768 #define USAGE_XARGS_TERMOPT(a) a
2770 #define USAGE_XARGS_TERMOPT(a)
2772 #ifdef CONFIG_FEATURE_XARGS_SUPPORT_ZERO_TERM
2773 #define USAGE_XARGS_ZERO_TERM(a) a
2775 #define USAGE_XARGS_ZERO_TERM(a)
2779 #define xargs_trivial_usage \
2780 "[COMMAND] [OPTIONS] [ARGS...]"
2781 #define xargs_full_usage \
2782 "Executes COMMAND on every item given by standard input.\n\n" \
2784 USAGE_XARGS_CONFIRMATION("\t-p\tPrompt the user about whether to run each command\n") \
2785 "\t-r\tDo not run command for empty readed lines\n" \
2786 USAGE_XARGS_TERMOPT("\t-x\tExit if the size is exceeded\n") \
2787 USAGE_XARGS_ZERO_TERM("\t-0\tInput filenames are terminated by a null character\n") \
2788 "\t-t\tPrint the command line on stderr before executing it."
2789 #define xargs_example_usage \
2790 "$ ls | xargs gzip\n" \
2791 "$ find . -name '*.c' -print | xargs rm\n"
2793 #define yes_trivial_usage \
2794 "[OPTION]... [STRING]..."
2795 #define yes_full_usage \
2796 "Repeatedly outputs a line with all specified STRING(s), or 'y'."
2798 #define zcat_trivial_usage \
2800 #define zcat_full_usage \
2801 "Uncompress to stdout."