busybox/coreutils/Config.in

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#
# For a description of the syntax of this configuration file,
# see scripts/kbuild/config-language.txt.
#
menu "Coreutils"
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config BASENAME
bool "basename"
default n
help
basename is used to strip the directory and suffix from filenames,
leaving just the filename itself. Enable this option if you wish
to enable the 'basename' utility.
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config CAL
bool "cal"
default n
help
cal is used to display a monthly calender.
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config CAT
bool "cat"
default n
help
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cat is used to concatenate files and print them to the standard
output. Enable this option if you wish to enable the 'cat' utility.
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config CATV
bool "catv"
default n
help
Display nonprinting characters as escape sequences (like some
implementations' cat -v option).
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config CHGRP
bool "chgrp"
default n
help
chgrp is used to change the group ownership of files.
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config CHMOD
bool "chmod"
default n
help
chmod is used to change the access permission of files.
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config CHOWN
bool "chown"
default n
help
chown is used to change the user and/or group ownership
of files.
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config CHROOT
bool "chroot"
default n
help
chroot is used to change the root directory and run a command.
The default command is `/bin/sh'.
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config CKSUM
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bool "cksum"
default n
help
cksum is used to calculate the CRC32 checksum of a file.
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config COMM
bool "comm"
default n
help
comm is used to compare two files line by line and return
a three-column output.
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config CP
bool "cp"
default n
help
cp is used to copy files and directories.
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config CUT
bool "cut"
default n
help
cut is used to print selected parts of lines from
each file to stdout.
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config DATE
bool "date"
default n
help
date is used to set the system date or display the
current time in the given format.
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config FEATURE_DATE_ISOFMT
bool "Enable ISO date format output (-I)"
default y
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depends on DATE
help
Enable option (-I) to output an ISO-8601 compliant
date/time string.
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config DD
bool "dd"
default n
help
dd copies a file (from standard input to standard output,
by default) using specific input and output blocksizes,
while optionally performing conversions on it.
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config FEATURE_DD_SIGNAL_HANDLING
bool "Enable DD signal handling for status reporting"
default y
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depends on DD
help
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sending a SIGUSR1 signal to a running `dd' process makes it
print to standard error the number of records read and written
so far, then to resume copying.
$ dd if=/dev/zero of=/dev/null&
$ pid=$! kill -USR1 $pid; sleep 1; kill $pid
10899206+0 records in 10899206+0 records out
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config FEATURE_DD_IBS_OBS
bool "Enable ibs, obs and conv options"
default n
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depends on DD
help
Enables support for writing a certain number of bytes in and out,
at a time, and performing conversions on the data stream.
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config DF
bool "df"
default n
help
df reports the amount of disk space used and available
on filesystems.
config FEATURE_DF_FANCY
bool "Enable -a, -i, -B"
default n
depends on DF
help
This option enables -a, -i and -B.
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config DIRNAME
bool "dirname"
default n
help
dirname is used to strip a non-directory suffix from
a file name.
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config DOS2UNIX
bool "dos2unix/unix2dos"
default n
help
dos2unix is used to convert a text file from DOS format to
UNIX format, and vice versa.
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config UNIX2DOS
bool
default y
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depends on DOS2UNIX
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help
unix2dos is used to convert a text file from UNIX format to
DOS format, and vice versa.
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config DU
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bool "du (default blocksize of 512 bytes)"
default n
help
du is used to report the amount of disk space used
for specified files.
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config FEATURE_DU_DEFAULT_BLOCKSIZE_1K
bool "Use a default blocksize of 1024 bytes (1K)"
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default y
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depends on DU
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help
Use a blocksize of (1K) instead of the default 512b.
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config ECHO
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bool "echo (basic SuSv3 version taking no options)"
default n
help
echo is used to print a specified string to stdout.
# this entry also appears in shell/Config.in, next to the echo builtin
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config FEATURE_FANCY_ECHO
bool "Enable echo options (-n and -e)"
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default y
depends on ECHO || ASH_BUILTIN_ECHO
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help
This adds options (-n and -e) to echo.
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config ENV
bool "env"
default n
help
env is used to set an environment variable and run
a command; without options it displays the current
environment.
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config FEATURE_ENV_LONG_OPTIONS
bool "Enable long options"
default n
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depends on ENV && GETOPT_LONG
help
Support long options for the env applet.
config EXPAND
bool "expand"
default n
help
By default, convert all tabs to spaces.
config FEATURE_EXPAND_LONG_OPTIONS
bool "Enable long options"
default n
depends on EXPAND && GETOPT_LONG
help
Support long options for the expand applet.
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config EXPR
bool "expr"
default n
help
expr is used to calculate numbers and print the result
to standard output.
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config EXPR_MATH_SUPPORT_64
bool "Extend Posix numbers support to 64 bit"
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default n
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depends on EXPR
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help
Enable 64-bit math support in the expr applet. This will make
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the applet slightly larger, but will allow computation with very
large numbers.
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config FALSE
bool "false"
default n
help
false returns an exit code of FALSE (1).
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config FOLD
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bool "fold"
default n
help
Wrap text to fit a specific width.
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config HEAD
bool "head"
default n
help
head is used to print the first specified number of lines
from files.
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config FEATURE_FANCY_HEAD
bool "Enable head options (-c, -q, and -v)"
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default n
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depends on HEAD
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help
This enables the head options (-c, -q, and -v).
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config HOSTID
bool "hostid"
default n
help
hostid prints the numeric identifier (in hexadecimal) for
the current host.
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config ID
bool "id"
default n
help
id displays the current user and group ID names.
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config INSTALL
bool "install"
default n
help
Copy files and set attributes.
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config FEATURE_INSTALL_LONG_OPTIONS
bool "Enable long options"
default n
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depends on INSTALL && GETOPT_LONG
help
Support long options for the install applet.
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config LENGTH
bool "length"
default n
help
length is used to print out the length of a specified string.
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config LN
bool "ln"
default n
help
ln is used to create hard or soft links between files.
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config LOGNAME
bool "logname"
default n
help
logname is used to print the current user's login name.
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config LS
bool "ls"
default n
help
ls is used to list the contents of directories.
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config FEATURE_LS_FILETYPES
bool "Enable filetyping options (-p and -F)"
default y
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depends on LS
help
Enable the ls options (-p and -F).
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config FEATURE_LS_FOLLOWLINKS
bool "Enable symlinks dereferencing (-L)"
default y
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depends on LS
help
Enable the ls option (-L).
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config FEATURE_LS_RECURSIVE
bool "Enable recursion (-R)"
default y
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depends on LS
help
Enable the ls option (-R).
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config FEATURE_LS_SORTFILES
bool "Sort the file names"
default y
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depends on LS
help
Allow ls to sort file names alphabetically.
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config FEATURE_LS_TIMESTAMPS
bool "Show file timestamps"
default y
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depends on LS
help
Allow ls to display timestamps for files.
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config FEATURE_LS_USERNAME
bool "Show username/groupnames"
default y
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depends on LS
help
Allow ls to display username/groupname for files.
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config FEATURE_LS_COLOR
bool "Allow use of color to identify file types"
default y
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depends on LS && GETOPT_LONG
help
This enables the --color option to ls.
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config FEATURE_LS_COLOR_IS_DEFAULT
bool "Produce colored ls output by default"
default n
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depends on FEATURE_LS_COLOR
help
Saying yes here will turn coloring on by default,
even if no "--color" option is given to the ls command.
This is not recommended, since the colors are not
configurable, and the output may not be legible on
many output screens.
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config MD5SUM
bool "md5sum"
default n
help
md5sum is used to print or check MD5 checksums.
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config MKDIR
bool "mkdir"
default n
help
mkdir is used to create directories with the specified names.
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config FEATURE_MKDIR_LONG_OPTIONS
bool "Enable long options"
default n
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depends on MKDIR && GETOPT_LONG
help
Support long options for the mkdir applet.
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config MKFIFO
bool "mkfifo"
default n
help
mkfifo is used to create FIFOs (named pipes).
The `mknod' program can also create FIFOs.
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config MKNOD
bool "mknod"
default n
help
mknod is used to create FIFOs or block/character special
files with the specified names.
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config MV
bool "mv"
default n
help
mv is used to move or rename files or directories.
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config FEATURE_MV_LONG_OPTIONS
bool "Enable long options"
default n
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depends on MV && GETOPT_LONG
help
Support long options for the mv applet.
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config NICE
bool "nice"
default n
help
nice runs a program with modified scheduling priority.
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config NOHUP
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bool "nohup"
default n
help
run a command immune to hangups, with output to a non-tty.
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config OD
bool "od"
default n
help
od is used to dump binary files in octal and other formats.
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config PRINTENV
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bool "printenv"
default n
help
printenv is used to print all or part of environment.
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config PRINTF
bool "printf"
default n
help
printf is used to format and print specified strings.
It's similar to `echo' except it has more options.
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config PWD
bool "pwd"
default n
help
pwd is used to print the current directory.
config READLINK
bool "readlink"
default n
help
This program reads a symbolic link and returns the name
of the file it points to
config FEATURE_READLINK_FOLLOW
bool "Enable canonicalization by following all symlinks (-f)"
default n
depends on READLINK
help
Enable the readlink option (-f).
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config REALPATH
bool "realpath"
default n
help
Return the canonicalized absolute pathname.
This isn't provided by GNU shellutils, but where else does it belong.
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config RM
bool "rm"
default n
help
rm is used to remove files or directories.
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config RMDIR
bool "rmdir"
default n
help
rmdir is used to remove empty directories.
config FEATURE_RMDIR_LONG_OPTIONS
bool "Enable long options"
default n
depends on RMDIR && GETOPT_LONG
help
Support long options for the rmdir applet, including
--ignore-fail-on-non-empty for compatibility with GNU rmdir.
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config SEQ
bool "seq"
default n
help
print a sequence of numbers
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config SHA1SUM
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bool "sha1sum"
default n
help
Compute and check SHA1 message digest
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config SLEEP
bool "sleep"
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default n
help
sleep is used to pause for a specified number of seconds.
It comes in 3 versions:
- small: takes one integer parameter
- fancy: takes multiple integer arguments with suffixes:
sleep 1d 2h 3m 15s
- fancy with fractional numbers:
sleep 2.3s 4.5h sleeps for 16202.3 seconds
Last one is "the most compatible" with coreutils sleep,
but it adds around 1k of code.
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config FEATURE_FANCY_SLEEP
bool "Enable multiple arguments and s/m/h/d suffixes"
default n
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depends on SLEEP
help
Allow sleep to pause for specified minutes, hours, and days.
config FEATURE_FLOAT_SLEEP
bool "Enable fractional arguments"
default n
depends on FEATURE_FANCY_SLEEP
help
Allow for fractional numeric parameters.
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config SORT
bool "sort"
default n
help
sort is used to sort lines of text in specified files.
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config FEATURE_SORT_BIG
bool "Full SuSv3 compliant sort (support -ktcsbdfiozgM)"
default y
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depends on SORT
help
Without this, sort only supports -r, -u, and an integer version
of -n. Selecting this adds sort keys, floating point support, and
more. This adds a little over 3k to a nonstatic build on x86.
The SuSv3 sort standard is available at:
http://www.opengroup.org/onlinepubs/007904975/utilities/sort.html
config SPLIT
bool "split"
default n
help
split a file into pieces.
config FEATURE_SPLIT_FANCY
bool "Fancy extensions"
default n
depends on SPLIT
help
Add support for features not required by SUSv3.
Supports additional suffixes 'b' for 512 bytes,
'g' for 1GiB for the -b option.
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config STAT
bool "stat"
default n
help
display file or filesystem status.
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config FEATURE_STAT_FORMAT
bool "Enable custom formats (-c)"
default n
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depends on STAT
help
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Without this, stat will not support the '-c format' option where
users can pass a custom format string for output. This adds about
7k to a nonstatic build on amd64.
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config STTY
bool "stty"
default n
help
stty is used to change and print terminal line settings.
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config SUM
bool "sum"
default n
help
checksum and count the blocks in a file
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config SYNC
bool "sync"
default n
help
sync is used to flush filesystem buffers.
config TAC
bool "tac"
default n
help
tac is used to concatenate and print files in reverse.
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config TAIL
bool "tail"
default n
help
tail is used to print the last specified number of lines
from files.
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config FEATURE_FANCY_TAIL
bool "Enable extra tail options (-q, -s, and -v)"
default y
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depends on TAIL
help
The options (-q, -s, and -v) are provided by GNU tail, but
are not specific in the SUSv3 standard.
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config TEE
bool "tee"
default n
help
tee is used to read from standard input and write
to standard output and files.
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config FEATURE_TEE_USE_BLOCK_IO
bool "Enable block I/O (larger/faster) instead of byte I/O"
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default n
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depends on TEE
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help
Enable this option for a faster tee, at expense of size.
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config TEST
bool "test"
default n
help
test is used to check file types and compare values,
returning an appropriate exit code. The bash shell
has test built in, ash can build it in optionally.
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config FEATURE_TEST_64
bool "Extend test to 64 bit"
default n
depends on TEST || ASH_BUILTIN_TEST
help
Enable 64-bit support in test.
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config TOUCH
bool "touch"
default n
help
touch is used to create or change the access and/or
modification timestamp of specified files.
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config TR
bool "tr"
default n
help
tr is used to squeeze, and/or delete characters from standard
input, writing to standard output.
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config FEATURE_TR_CLASSES
bool "Enable character classes (such as [:upper:])"
default n
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depends on TR
help
Enable character classes, enabling commands such as:
tr [:upper:] [:lower:] to convert input into lowercase.
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config FEATURE_TR_EQUIV
bool "Enable equivalence classes"
default n
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depends on TR
help
Enable equivalence classes, which essentially add the enclosed
character to the current set. For instance, tr [=a=] xyz would
replace all instances of 'a' with 'xyz'. This option is mainly
useful for cases when no other way of expressing a character
is possible.
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config TRUE
bool "true"
default n
help
true returns an exit code of TRUE (0).
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config TTY
bool "tty"
default n
help
tty is used to print the name of the current terminal to
standard output.
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config UNAME
bool "uname"
default n
help
uname is used to print system information.
config UNEXPAND
bool "unexpand"
default n
help
By default, convert only leading sequences of blanks to tabs.
config FEATURE_UNEXPAND_LONG_OPTIONS
bool "Enable long options"
default n
depends on UNEXPAND && GETOPT_LONG
help
Support long options for the unexpand applet.
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config UNIQ
bool "uniq"
default n
help
uniq is used to remove duplicate lines from a sorted file.
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config USLEEP
bool "usleep"
default n
help
usleep is used to pause for a specified number of microseconds.
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config UUDECODE
bool "uudecode"
default n
help
uudecode is used to decode a uuencoded file.
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config UUENCODE
bool "uuencode"
default n
help
uuencode is used to uuencode a file.
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config WC
bool "wc"
default n
help
wc is used to print the number of bytes, words, and lines,
in specified files.
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config FEATURE_WC_LARGE
bool "Support very large files in wc"
default n
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depends on WC
help
Use "unsigned long long" in wc for count variables.
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config WHO
bool "who"
default n
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select FEATURE_UTMP
help
who is used to show who is logged on.
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config WHOAMI
bool "whoami"
default n
help
whoami is used to print the username of the current
user id (same as id -un).
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config YES
bool "yes"
default n
help
yes is used to repeatedly output a specific string, or
the default string `y'.
comment "Common options for cp and mv"
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depends on CP || MV
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config FEATURE_PRESERVE_HARDLINKS
bool "Preserve hard links"
default n
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depends on CP || MV
help
Allow cp and mv to preserve hard links.
comment "Common options for ls, more and telnet"
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depends on LS || MORE || TELNET
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config FEATURE_AUTOWIDTH
bool "Calculate terminal & column widths"
default y
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depends on LS || MORE || TELNET
help
This option allows utilities such as 'ls', 'more' and 'telnet'
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to determine the width of the screen, which can allow them to
display additional text or avoid wrapping text onto the next line.
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If you leave this disabled, your utilities will be especially
primitive and will be unable to determine the current screen width.
comment "Common options for df, du, ls"
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depends on DF || DU || LS
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config FEATURE_HUMAN_READABLE
bool "Support for human readable output (example 13k, 23M, 235G)"
default n
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depends on DF || DU || LS
help
Allow df, du, and ls to have human readable output.
comment "Common options for md5sum, sha1sum"
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depends on MD5SUM || SHA1SUM
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config FEATURE_MD5_SHA1_SUM_CHECK
bool "Enable -c, -s and -w options"
default n
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depends on MD5SUM || SHA1SUM
help
Enabling the -c options allows files to be checked
against pre-calculated hash values.
-s and -w are useful options when verifying checksums.
endmenu