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"
config 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.
config CONFIG_CAL
bool "cal"
default n
help
cal is used to display a monthly calender.
config 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.
config CONFIG_CATV
bool "catv"
default n
help
Display nonprinting characters as escape sequences (like some
implementations' cat -v option).
config CONFIG_CHGRP
bool "chgrp"
default n
help
chgrp is used to change the group ownership of files.
config CONFIG_CHMOD
bool "chmod"
default n
help
chmod is used to change the access permission of files.
config CONFIG_CHOWN
bool "chown"
default n
help
chown is used to change the user and/or group ownership
of files.
config 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 CONFIG_CKSUM
bool "cksum"
default n
help
cksum is used to calculate the CRC32 checksum of a file.
config CONFIG_CMP
bool "cmp"
default n
help
cmp is used to compare two files and returns the result
to standard output.
config CONFIG_COMM
bool "comm"
default n
help
comm is used to compare two files line by line and return
a three-column output.
config CONFIG_CP
bool "cp"
default n
help
cp is used to copy files and directories.
config CONFIG_CUT
bool "cut"
default n
help
cut is used to print selected parts of lines from
each file to stdout.
config CONFIG_DATE
bool "date"
default n
help
date is used to set the system date or display the
current time in the given format.
config CONFIG_FEATURE_DATE_ISOFMT
bool "Enable ISO date format output (-I)"
default y
depends on CONFIG_DATE
help
Enable option (-I) to output an ISO-8601 compliant
date/time string.
config 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.
config CONFIG_FEATURE_DD_SIGNAL_HANDLING
bool "Enable DD signal handling for status reporting"
default y
depends on CONFIG_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.
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$ dd if=/dev/zero of=/dev/null& pid=$! $ kill -USR1 $pid; sleep 1; kill $pid
10899206+0 records in 10899206+0 records out
config CONFIG_FEATURE_DD_IBS_OBS
bool "Enable ibs, obs and conv options"
default n
depends on CONFIG_DD
help
Enables support for writing a certain number of bytes in and out,
at a time, and performing conversions on the data stream.
config CONFIG_DF
bool "df"
default n
help
df reports the amount of disk space used and available
on filesystems.
config CONFIG_DIFF
bool "diff"
default n
help
diff compares two files or directories and outputs the
differences between them in a form that can be given to
the patch command.
config CONFIG_FEATURE_DIFF_BINARY
bool "Enable checks for binary files"
default y
depends on CONFIG_DIFF
help
This option enables support for checking for binary files
before a comparison is carried out.
config CONFIG_FEATURE_DIFF_DIR
bool "Enable directory support"
default y
depends on CONFIG_DIFF
help
This option enables support for directory and subdirectory
comparison.
config CONFIG_FEATURE_DIFF_MINIMAL
bool "Enable -d option to find smaller sets of changes"
default n
depends on CONFIG_DIFF
help
Enabling this option allows the use of -d to make diff
try hard to find the smallest possible set of changes.
config CONFIG_DIRNAME
bool "dirname"
default n
help
dirname is used to strip a non-directory suffix from
a file name.
config 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.
config CONFIG_UNIX2DOS
bool
default y
depends on CONFIG_DOS2UNIX
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help
unix2dos is used to convert a text file from UNIX format to
DOS format, and vice versa.
config 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.
config CONFIG_FEATURE_DU_DEFAULT_BLOCKSIZE_1K
bool "Use a default blocksize of 1024 bytes (1K)"
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default y
depends on CONFIG_DU
help
Use a blocksize of (1K) instead of the default 512b.
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config 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 CONFIG_FEATURE_FANCY_ECHO
bool "Enable echo options (-n and -e)"
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default y
depends on CONFIG_ECHO
help
This adds options (-n and -e) to echo.
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config 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.
config CONFIG_FEATURE_ENV_LONG_OPTIONS
bool "Enable long options"
default n
depends on CONFIG_ENV && CONFIG_GETOPT_LONG
help
Support long options for the env applet.
config 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 CONFIG_EXPR_MATH_SUPPORT_64
bool "Extend Posix numbers support to 64 bit"
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default n
depends on CONFIG_EXPR
help
Enable 64-bit math support in the expr applet. This will make
the applet slightly larger, but will allow computation with very
large numbers.
config CONFIG_FALSE
bool "false"
default n
help
false returns an exit code of FALSE (1).
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config CONFIG_FOLD
bool "fold"
default n
help
Wrap text to fit a specific width.
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config 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 CONFIG_FEATURE_FANCY_HEAD
bool "Enable head options (-c, -q, and -v)"
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default n
depends on CONFIG_HEAD
help
This enables the head options (-c, -q, and -v).
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config CONFIG_HOSTID
bool "hostid"
default n
help
hostid prints the numeric identifier (in hexadecimal) for
the current host.
config CONFIG_ID
bool "id"
default n
help
id displays the current user and group ID names.
config CONFIG_INSTALL
bool "install"
default n
help
Copy files and set attributes.
config CONFIG_FEATURE_INSTALL_LONG_OPTIONS
bool "Enable long options"
default n
depends on CONFIG_INSTALL && CONFIG_GETOPT_LONG
help
Support long options for the install applet.
config CONFIG_LENGTH
bool "length"
default n
help
length is used to print out the length of a specified string.
config CONFIG_LN
bool "ln"
default n
help
ln is used to create hard or soft links between files.
config CONFIG_LOGNAME
bool "logname"
default n
help
logname is used to print the current user's login name.
config CONFIG_LS
bool "ls"
default n
help
ls is used to list the contents of directories.
config CONFIG_FEATURE_LS_FILETYPES
bool "Enable filetyping options (-p and -F)"
default y
depends on CONFIG_LS
help
Enable the ls options (-p and -F).
config CONFIG_FEATURE_LS_FOLLOWLINKS
bool "Enable symlinks dereferencing (-L)"
default y
depends on CONFIG_LS
help
Enable the ls option (-L).
config CONFIG_FEATURE_LS_RECURSIVE
bool "Enable recursion (-R)"
default y
depends on CONFIG_LS
help
Enable the ls option (-R).
config CONFIG_FEATURE_LS_SORTFILES
bool "Sort the file names"
default y
depends on CONFIG_LS
help
Allow ls to sort file names alphabetically.
config CONFIG_FEATURE_LS_TIMESTAMPS
bool "Show file timestamps"
default y
depends on CONFIG_LS
help
Allow ls to display timestamps for files.
config CONFIG_FEATURE_LS_USERNAME
bool "Show username/groupnames"
default y
depends on CONFIG_LS
help
Allow ls to display username/groupname for files.
config CONFIG_FEATURE_LS_COLOR
bool "Allow use of color to identify file types"
default y
depends on CONFIG_LS && CONFIG_GETOPT_LONG
help
This enables the --color option to ls.
config CONFIG_FEATURE_LS_COLOR_IS_DEFAULT
bool "Produce colored ls output by default"
default n
depends on CONFIG_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.
config CONFIG_MD5SUM
bool "md5sum"
default n
help
md5sum is used to print or check MD5 checksums.
config CONFIG_MKDIR
bool "mkdir"
default n
help
mkdir is used to create directories with the specified names.
config CONFIG_FEATURE_MKDIR_LONG_OPTIONS
bool "Enable long options"
default n
depends on CONFIG_MKDIR && CONFIG_GETOPT_LONG
help
Support long options for the mkdir applet.
config CONFIG_MKFIFO
bool "mkfifo"
default n
help
mkfifo is used to create FIFOs (named pipes).
The `mknod' program can also create FIFOs.
config CONFIG_MKNOD
bool "mknod"
default n
help
mknod is used to create FIFOs or block/character special
files with the specified names.
config CONFIG_MV
bool "mv"
default n
help
mv is used to move or rename files or directories.
config CONFIG_FEATURE_MV_LONG_OPTIONS
bool "Enable long options"
default n
depends on CONFIG_MV && CONFIG_GETOPT_LONG
help
Support long options for the mv applet.
config CONFIG_NICE
bool "nice"
default n
help
nice runs a program with modified scheduling priority.
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config CONFIG_NOHUP
bool "nohup"
default n
help
run a command immune to hangups, with output to a non-tty.
config CONFIG_OD
bool "od"
default n
help
od is used to dump binary files in octal and other formats.
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config CONFIG_PRINTENV
bool "printenv"
default n
help
printenv is used to print all or part of environment.
config 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.
config CONFIG_PWD
bool "pwd"
default n
help
pwd is used to print the current directory.
config 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.
config CONFIG_RM
bool "rm"
default n
help
rm is used to remove files or directories.
config CONFIG_RMDIR
bool "rmdir"
default n
help
rmdir is used to remove empty directories.
config CONFIG_SEQ
bool "seq"
default n
help
print a sequence of numbers
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config CONFIG_SHA1SUM
bool "sha1sum"
default n
help
Compute and check SHA1 message digest
config CONFIG_SLEEP
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bool "sleep (single integer arg with no suffix)"
default n
help
sleep is used to pause for a specified number of seconds,
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config CONFIG_FEATURE_FANCY_SLEEP
bool "Enable multiple integer args and optional time suffixes"
default n
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depends on CONFIG_SLEEP
help
Allow sleep to pause for specified minutes, hours, and days.
config CONFIG_SORT
bool "sort"
default n
help
sort is used to sort lines of text in specified files.
config CONFIG_FEATURE_SORT_BIG
bool "full SuSv3 compliant sort (Support -ktcsbdfiozgM)"
default y
depends on CONFIG_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 CONFIG_STAT
bool "stat"
default n
help
display file or filesystem status.
config CONFIG_FEATURE_STAT_FORMAT
bool "Enable custom formats (-c)"
default n
depends on CONFIG_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.
config CONFIG_STTY
bool "stty"
default n
help
stty is used to change and print terminal line settings.
config CONFIG_SUM
bool "sum"
default n
help
checksum and count the blocks in a file
config CONFIG_SYNC
bool "sync"
default n
help
sync is used to flush filesystem buffers.
config CONFIG_TAIL
bool "tail"
default n
help
tail is used to print the last specified number of lines
from files.
config CONFIG_FEATURE_FANCY_TAIL
bool "Enable extra tail options (-q, -s, and -v)"
default y
depends on CONFIG_TAIL
help
The options (-q, -s, and -v) are provided by GNU tail, but
are not specific in the SUSv3 standard.
config 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 CONFIG_FEATURE_TEE_USE_BLOCK_IO
bool "Enable block i/o (larger/faster) instead of byte i/o."
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default n
depends on CONFIG_TEE
help
Enable this option for a faster tee, at expense of size.
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config 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.
config CONFIG_FEATURE_TEST_64
bool "Extend test to 64 bit"
default n
depends on CONFIG_TEST
help
Enable 64-bit support in test.
config CONFIG_TOUCH
bool "touch"
default n
help
touch is used to create or change the access and/or
modification timestamp of specified files.
config CONFIG_TR
bool "tr"
default n
help
tr is used to squeeze, and/or delete characters from standard
input, writing to standard output.
config CONFIG_FEATURE_TR_CLASSES
bool "Enable character classes (such as [:upper:])"
default n
depends on CONFIG_TR
help
Enable character classes, enabling commands such as:
tr [:upper:] [:lower:] to convert input into lowercase.
config CONFIG_FEATURE_TR_EQUIV
bool "Enable equivalence classes"
default n
depends on CONFIG_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.
config CONFIG_TRUE
bool "true"
default n
help
true returns an exit code of TRUE (0).
config CONFIG_TTY
bool "tty"
default n
help
tty is used to print the name of the current terminal to
standard output.
config CONFIG_UNAME
bool "uname"
default n
help
uname is used to print system information.
config CONFIG_UNIQ
bool "uniq"
default n
help
uniq is used to remove duplicate lines from a sorted file.
config CONFIG_USLEEP
bool "usleep"
default n
help
usleep is used to pause for a specified number of microseconds.
config CONFIG_UUDECODE
bool "uudecode"
default n
help
uudecode is used to decode a uuencoded file.
config CONFIG_UUENCODE
bool "uuencode"
default n
help
uuencode is used to uuencode a file.
config CONFIG_WATCH
bool "watch"
default n
select CONFIG_DATE
help
watch is used to execute a program periodically, showing
output to the screen.
config CONFIG_WC
bool "wc"
default n
help
wc is used to print the number of bytes, words, and lines,
in specified files.
config CONFIG_WHO
bool "who"
default n
select CONFIG_FEATURE_UTMP
help
who is used to show who is logged on.
config CONFIG_WHOAMI
bool "whoami"
default n
help
whoami is used to print the username of the current
user id (same as id -un).
config 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"
depends on CONFIG_CP || CONFIG_MV
config CONFIG_FEATURE_PRESERVE_HARDLINKS
bool "Preserve hard links"
default n
depends on CONFIG_CP || CONFIG_MV
help
Allow cp and mv to preserve hard links.
comment "Common options for ls, more and telnet"
depends on CONFIG_LS || CONFIG_MORE || CONFIG_TELNET
config CONFIG_FEATURE_AUTOWIDTH
bool "Calculate terminal & column widths"
default y
depends on CONFIG_LS || CONFIG_MORE || CONFIG_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"
depends on CONFIG_DF || CONFIG_DU || CONFIG_LS
config CONFIG_FEATURE_HUMAN_READABLE
bool "Support for human readable output (example 13k, 23M, 235G)"
default n
depends on CONFIG_DF || CONFIG_DU || CONFIG_LS
help
Allow df, du, and ls to have human readable output.
comment "Common options for md5sum, sha1sum"
depends on CONFIG_MD5SUM || CONFIG_SHA1SUM
config CONFIG_FEATURE_MD5_SHA1_SUM_CHECK
bool "Enable -c, -s and -w options"
default n
depends on CONFIG_MD5SUM || CONFIG_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