help
Minimum allowable password length.
-config MD5_SIZE_VS_SPEED
+config MD5_SMALL
int "MD5: Trade bytes for speed (0:fast, 3:slow)"
- default 2
+ default 1
range 0 3
help
Trade binary size versus speed for the md5sum algorithm.
2 3.0 5088
3 (smallest) 5.1 4912
+config SHA3_SMALL
+ int "SHA3: Trade bytes for speed (0:fast, 1:slow)"
+ default 1
+ range 0 1
+ help
+ Trade binary size versus speed for the sha3sum algorithm.
+ SHA3_SMALL=0 compared to SHA3_SMALL=1 (approximate):
+ 64-bit x86: +270 bytes of code, 45% faster
+ 32-bit x86: +450 bytes of code, 75% faster
+
config FEATURE_FAST_TOP
bool "Faster /proc scanning code (+100 bytes)"
default y
a rarely used feature which allows you to use names
instead of IP/mask pairs in route command.
+config FEATURE_USE_TERMIOS
+ bool "Use termios to manipulate the screen"
+ default y
+ depends on MORE || TOP || POWERTOP
+ help
+ This option allows utilities such as 'more' and 'top' to determine
+ the size of the screen. If you leave this disabled, your utilities
+ that display things on the screen will be especially primitive and
+ will be unable to determine the current screen size, and will be
+ unable to move the cursor.
+
config FEATURE_EDITING
bool "Command line editing"
default y
config FEATURE_EDITING_HISTORY
int "History size"
- range 0 99999
+ # Don't allow way too big values here, code uses fixed "char *history[N]" struct member
+ range 0 9999
default 255
depends on FEATURE_EDITING
help
- Specify command history size.
+ Specify command history size (0 - disable).
config FEATURE_EDITING_SAVEHISTORY
bool "History saving"
default y
- depends on ASH && FEATURE_EDITING
+ depends on FEATURE_EDITING
+ help
+ Enable history saving in shells.
+
+config FEATURE_EDITING_SAVE_ON_EXIT
+ bool "Save history on shell exit, not after every command"
+ default n
+ depends on FEATURE_EDITING_SAVEHISTORY
+ help
+ Save history on shell exit, not after every command.
+
+config FEATURE_REVERSE_SEARCH
+ bool "Reverse history search"
+ default y
+ depends on FEATURE_EDITING_SAVEHISTORY
help
- Enable history saving in ash shell.
+ Enable readline-like Ctrl-R combination for reverse history search.
+ Increases code by about 0.5k.
config FEATURE_TAB_COMPLETION
bool "Tab completion"
and create a regular file. This does not conform to POSIX,
but prevents a symlink attack.
Similarly, "cp file device" will not send file's data
- to the device.
+ to the device. (To do that, use "cat file >device")
config FEATURE_VERBOSE_CP_MESSAGE
bool "Give more precise messages when copy fails (cp, mv etc)"
range 1 1024
default 4
help
- Size of buffer used by cp, mv, install etc.
+ Size of buffer used by cp, mv, install, wget etc.
Buffers which are 4 kb or less will be allocated on stack.
Bigger buffers will be allocated with mmap, with fallback to 4 kb
stack buffer if mmap fails.
+config FEATURE_SKIP_ROOTFS
+ bool "Skip rootfs in mount table"
+ default y
+ help
+ Ignore rootfs entry in mount table.
+
+ In Linux, kernel has a special filesystem, rootfs, which is initially
+ mounted on /. It contains initramfs data, if kernel is configured
+ to have one. Usually, another file system is mounted over / early
+ in boot process, and therefore most tools which manipulate
+ mount table, such as df, will skip rootfs entry.
+
+ However, some systems do not mount anything on /.
+ If you need to configure busybox for one of these systems,
+ you may find it useful to turn this option off to make df show
+ initramfs statistics.
+
+ Otherwise, choose Y.
+
config MONOTONIC_SYSCALL
bool "Use clock_gettime(CLOCK_MONOTONIC) syscall"
default n
- depends on PLATFORM_LINUX
+ select PLATFORM_LINUX
help
Use clock_gettime(CLOCK_MONOTONIC) syscall for measuring
time intervals (time, ping, traceroute etc need this).