2 # For a description of the syntax of this configuration file,
3 # see scripts/kbuild/config-language.txt.
12 basename is used to strip the directory and suffix from filenames,
13 leaving just the filename itself. Enable this option if you wish
14 to enable the 'basename' utility.
20 cal is used to display a montly calender.
26 cat is used to concatenate files and print them to the standard
27 output. Enable this option if you wish to enable the 'cat' utility.
33 chgrp is used to change the group owership of files.
39 chmod is used to change the access permission of files.
45 chown is used too change the user and/or group ownership
52 chroot is used to change the root directory and run a command.
53 The default command is `/bin/sh'.
59 cmp is used to compare two files and returns the result
66 cp is used to copy files and directories.
72 cut is used to print selected parts of lines from
78 comment "date (forced enabled for use with watch)"
86 date is used to set the system date or display the
87 current time in the given format.
90 config CONFIG_FEATURE_DATE_ISOFMT
91 bool " Enable ISO date format output (-I)"
93 depends on CONFIG_DATE
95 Enable option (-I) to output an ISO-8601 compliant
102 dd copies a file (from standard input to standard output,
103 by default) using specific input and output blocksizes,
104 while optionally performing conversions on it.
110 df reports the amount of disk space used and available
113 config CONFIG_DIRNAME
117 dirname is used to strip a non directory suffix from
120 config CONFIG_DOS2UNIX
121 bool "dos2unix/unix2dos"
124 dos2unix is uses to convert a text file from DOS format to
125 UNIX format, and vice versa.
127 config CONFIG_UNIX2DOS
130 depends on CONFIG_DOS2UNIX
133 bool "du (default blocksize of 512 bytes)"
136 du is used to report the amount of disk space used
139 config CONFIG_FEATURE_DU_DEFALT_BLOCKSIZE_1K
140 bool " Use a default blocksize of 1024 bytes (1K)"
144 Use a blocksize of (1K) instead of the default 512b.
147 bool "echo (basic SUSv3 version taking no options"
150 echo is used to print a specified string to stdout.
152 config CONFIG_FEATURE_FANCY_ECHO
153 bool " Enable echo options (-n and -e)"
155 depends on CONFIG_ECHO
157 This adds options (-n and -e) to echo.
163 env is used to set an environment variable and run
164 a command, without options it displays the current
171 expr is used to calculate numbers and print the result
174 if CONFIG_HUSH || CONFIG_LASH || CONFIG_MSH
177 comment "false (forced enabled for use with shell)"
180 if !CONFIG_HUSH && !CONFIG_LASH && !CONFIG_MSH
185 false returns an exit code of FALSE (1).
192 Wrap text to fit a specific width.
198 head is used to print the first specified number of lines
201 config CONFIG_FEATURE_FANCY_HEAD
202 bool " Enable head options (-c, -q, and -v)"
204 depends on CONFIG_HEAD
206 This enables the head options (-c, -q, and -v).
212 hostid prints the numeric identifier (in hexadecimal) for
219 id displays the current user and group ID names.
225 length is used to print out the length of a specified string.
231 ln is used to create hard or soft links between files.
233 config CONFIG_LOGNAME
237 logname is used to print the current user's login name.
243 ls is used to list the contents of directories.
245 config CONFIG_FEATURE_LS_FILETYPES
246 bool " Enable filetyping options (-p and -F)"
250 Enable the ls options (-p and -F).
252 config CONFIG_FEATURE_LS_FOLLOWLINKS
253 bool " Enable symlinks dereferencing (-L)"
257 Enable the ls option (-L).
259 config CONFIG_FEATURE_LS_RECURSIVE
260 bool " Enable recursion (-R)"
264 Enable the ls option (-R).
266 config CONFIG_FEATURE_LS_SORTFILES
267 bool " Sort the file names"
271 Allow ls to sort file names alphabetically.
273 config CONFIG_FEATURE_LS_TIMESTAMPS
274 bool " Show file timestamps"
278 Allow ls to display timestamps for files.
280 config CONFIG_FEATURE_LS_USERNAME
281 bool " Show username/groupnames"
285 Allow ls to display username/groupname for files.
287 config CONFIG_FEATURE_LS_COLOR
288 bool " Use color to identify file types"
292 Allow ls to use color when displaying files.
298 md5sum is used to print or check MD5 checksums.
304 mkdir is used to create directories with the specified names.
310 mkfifo is used to create FIFOs (named pipes).
311 The `mknod' program can also create FIFOs.
317 mknod is used to create FIFOs or block/character special
318 files with the specified names.
324 mv is used to move or rename files or directories.
330 od is used to dump binary files in octal and other formats.
336 printf is used to format and print specified strings.
337 It's similar to `echo' except it has more options.
343 pwd is used to print the current directory.
345 config CONFIG_REALPATH
349 Return the canonicalized absolute pathname.
350 This isnt provided by GNU shellutils, but where else does it belong.
356 rm is used to remove files or directories.
362 rmdir is used to remove empty directories.
364 config CONFIG_SHA1SUM
368 Compute and check SHA1 message digest
370 config CONFIG_FEATURE_SHA1SUM_CHECK
371 bool " Enale -c and -w options"
374 Enabling the -c and -w options allow files to be checked
375 against pre-calculated hash values.
378 bool "sleep (single integer arg with no suffix)"
381 sleep is used to pause for a specified number of seconds,
383 config CONFIG_FEATURE_FANCY_SLEEP
384 bool " Enable multiple integer args and optional time suffixes"
386 depends on CONFIG_SLEEP
388 Allow sleep to pause for specified minutes, hours, and days.
394 sort is used to sort lines of text in specified files.
396 config CONFIG_FEATURE_SORT_REVERSE
397 bool " Enable reverse sort"
399 depends on CONFIG_SORT
401 Enable the `-r' option that allows sort to sort lines of
404 config CONFIG_FEATURE_SORT_UNIQUE
405 bool " Enable unique sort"
407 depends on CONFIG_SORT
409 Enable the `-u' option that allows sort to only sort lines
416 stty is used to change and print terminal line settings.
422 sync is used to flush filesystem buffers.
428 tail is used to print the last specified number of lines
431 config CONFIG_FEATURE_FANCY_TAIL
432 bool " Enable extra tail options (-c, -q, -s, and -v)"
434 depends on CONFIG_TAIL
436 Enable tail options (-c, -q, -s, and -v).
442 tee is used to read from standard input and write
443 to standard output and files.
445 config CONFIG_FEATURE_TEE_USE_BLOCK_IO
446 bool " Enable block i/o (larger/faster) instead of byte i/o."
448 depends on CONFIG_TEE
450 Enable this option for a faster tee, at expense of size.
452 if CONFIG_ASH || CONFIG_HUSH || CONFIG_LASH || CONFIG_MSH
455 comment "test (forced enabled for use with shell)"
458 if !CONFIG_ASH && !CONFIG_HUSH && !CONFIG_LASH && !CONFIG_MSH
463 test is used to check file types and compare values,
464 returning an appropriate exit code. The shells (ash
465 and bash have test builtin).
472 touch is used to create or change the access and/or
473 modification timestamp of specified files.
479 tr is used to squeeze, and/or delete characters from standard
480 input, writing to standard output.
482 if CONFIG_HUSH || CONFIG_LASH || CONFIG_MSH
485 comment "true (forced enabled for use with shell)"
488 if !CONFIG_HUSH && !CONFIG_LASH && !CONFIG_MSH
493 true returns an exit code of TRUE (0).
501 tty is used to print the name of the current terminal to
508 uname is used to print system information.
514 uniq is used to remove duplicate lines from a sorted file.
520 usleep is used to pause for a specified number of microseconds.
522 config CONFIG_UUDECODE
526 uudecode is used to decode a uuencoded file.
528 config CONFIG_UUENCODE
532 uuencode is used to uuencode a file.
538 watch is used to execute a program periodically, showing
539 output to the screen.
545 wc is used to print the number of bytes, words, and lines,
552 who is used to show who is logged on.
558 whoami is used to print the username of the current
559 user id (same as id -un).
565 yes is used to repeatedly output a specific string, or
566 the default string `y'.
568 comment "Common options for cp and mv"
569 depends on CONFIG_CP || CONFIG_MV
571 config CONFIG_FEATURE_PRESERVE_HARDLINKS
572 bool " Preserve hard links"
574 depends on CONFIG_CP || CONFIG_MV
576 Allow cp and mv to preserve hard links.
578 comment "Common options for ls and more"
579 depends on CONFIG_LS || CONFIG_MORE
581 config CONFIG_FEATURE_AUTOWIDTH
582 bool " Calculate terminal & column widths"
584 depends on CONFIG_LS || CONFIG_MORE
586 Allow ls and more to calculate terminal and column widths.
588 comment "Common options for df, du, ls"
589 depends on CONFIG_DF || CONFIG_DU || CONFIG_LS
591 config CONFIG_FEATURE_HUMAN_READABLE
592 bool " Support for human readable output (example 13k, 23M, 235G)"
594 depends on CONFIG_DF || CONFIG_DU || CONFIG_LS
596 Allow df, du, and ls to have human readable output.