2 # For a description of the syntax of this configuration file,
3 # see scripts/kbuild/config-language.txt.
8 config BUSYBOX_CONFIG_BASENAME
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.
16 config BUSYBOX_CONFIG_CAL
20 cal is used to display a monthly calender.
22 config BUSYBOX_CONFIG_CAT
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.
29 config BUSYBOX_CONFIG_CHGRP
33 chgrp is used to change the group ownership of files.
35 config BUSYBOX_CONFIG_CHMOD
39 chmod is used to change the access permission of files.
41 config BUSYBOX_CONFIG_CHOWN
45 chown is used to change the user and/or group ownership
48 config BUSYBOX_CONFIG_CHROOT
52 chroot is used to change the root directory and run a command.
53 The default command is `/bin/sh'.
55 config BUSYBOX_CONFIG_CMP
59 cmp is used to compare two files and returns the result
62 config BUSYBOX_CONFIG_COMM
66 comm is used to compare two files line by line and return
67 a three-column output.
69 config BUSYBOX_CONFIG_CP
73 cp is used to copy files and directories.
75 config BUSYBOX_CONFIG_CUT
79 cut is used to print selected parts of lines from
82 config BUSYBOX_CONFIG_DATE
86 date is used to set the system date or display the
87 current time in the given format.
89 config BUSYBOX_CONFIG_FEATURE_DATE_ISOFMT
90 bool " Enable ISO date format output (-I)"
92 depends on BUSYBOX_CONFIG_DATE
94 Enable option (-I) to output an ISO-8601 compliant
97 config BUSYBOX_CONFIG_DD
101 dd copies a file (from standard input to standard output,
102 by default) using specific input and output blocksizes,
103 while optionally performing conversions on it.
105 config BUSYBOX_CONFIG_DF
109 df reports the amount of disk space used and available
112 config BUSYBOX_CONFIG_DIRNAME
116 dirname is used to strip a non-directory suffix from
119 config BUSYBOX_CONFIG_DOS2UNIX
120 bool "dos2unix/unix2dos"
123 dos2unix is used to convert a text file from DOS format to
124 UNIX format, and vice versa.
126 config BUSYBOX_CONFIG_UNIX2DOS
129 depends on BUSYBOX_CONFIG_DOS2UNIX
131 config BUSYBOX_CONFIG_DU
132 bool "du (default blocksize of 512 bytes)"
135 du is used to report the amount of disk space used
138 config BUSYBOX_CONFIG_FEATURE_DU_DEFALT_BLOCKSIZE_1K
139 bool " Use a default blocksize of 1024 bytes (1K)"
141 depends on BUSYBOX_CONFIG_DU
143 Use a blocksize of (1K) instead of the default 512b.
145 config BUSYBOX_CONFIG_ECHO
146 bool "echo (basic SuSv3 version taking no options)"
149 echo is used to print a specified string to stdout.
151 # this entry also appears in shell/Config.in, next to the echo builtin
152 config BUSYBOX_CONFIG_FEATURE_FANCY_ECHO
153 bool " Enable echo options (-n and -e)"
155 depends on BUSYBOX_CONFIG_ECHO
157 This adds options (-n and -e) to echo.
159 config BUSYBOX_CONFIG_ENV
163 env is used to set an environment variable and run
164 a command; without options it displays the current
167 config BUSYBOX_CONFIG_EXPR
171 expr is used to calculate numbers and print the result
174 config BUSYBOX_CONFIG_EXPR_MATH_SUPPORT_64
175 bool " Extend Posix numbers support to 64 bit"
177 depends on BUSYBOX_CONFIG_EXPR
179 Enable 64-bit math support in the expr applet. This will make
180 the applet slightly larger, but will allow computation with very
183 config BUSYBOX_CONFIG_FALSE
187 false returns an exit code of FALSE (1).
189 config BUSYBOX_CONFIG_FOLD
193 Wrap text to fit a specific width.
195 config BUSYBOX_CONFIG_HEAD
199 head is used to print the first specified number of lines
202 config BUSYBOX_CONFIG_FEATURE_FANCY_HEAD
203 bool " Enable head options (-c, -q, and -v)"
205 depends on BUSYBOX_CONFIG_HEAD
207 This enables the head options (-c, -q, and -v).
209 config BUSYBOX_CONFIG_HOSTID
213 hostid prints the numeric identifier (in hexadecimal) for
216 config BUSYBOX_CONFIG_ID
220 id displays the current user and group ID names.
222 config BUSYBOX_CONFIG_INSTALL
226 Copy files and set attributes.
228 config BUSYBOX_CONFIG_LENGTH
232 length is used to print out the length of a specified string.
234 config BUSYBOX_CONFIG_LN
238 ln is used to create hard or soft links between files.
240 config BUSYBOX_CONFIG_LOGNAME
244 logname is used to print the current user's login name.
246 config BUSYBOX_CONFIG_LS
250 ls is used to list the contents of directories.
252 config BUSYBOX_CONFIG_FEATURE_LS_FILETYPES
253 bool " Enable filetyping options (-p and -F)"
255 depends on BUSYBOX_CONFIG_LS
257 Enable the ls options (-p and -F).
259 config BUSYBOX_CONFIG_FEATURE_LS_FOLLOWLINKS
260 bool " Enable symlinks dereferencing (-L)"
262 depends on BUSYBOX_CONFIG_LS
264 Enable the ls option (-L).
266 config BUSYBOX_CONFIG_FEATURE_LS_RECURSIVE
267 bool " Enable recursion (-R)"
269 depends on BUSYBOX_CONFIG_LS
271 Enable the ls option (-R).
273 config BUSYBOX_CONFIG_FEATURE_LS_SORTFILES
274 bool " Sort the file names"
276 depends on BUSYBOX_CONFIG_LS
278 Allow ls to sort file names alphabetically.
280 config BUSYBOX_CONFIG_FEATURE_LS_TIMESTAMPS
281 bool " Show file timestamps"
283 depends on BUSYBOX_CONFIG_LS
285 Allow ls to display timestamps for files.
287 config BUSYBOX_CONFIG_FEATURE_LS_USERNAME
288 bool " Show username/groupnames"
290 depends on BUSYBOX_CONFIG_LS
292 Allow ls to display username/groupname for files.
294 config BUSYBOX_CONFIG_FEATURE_LS_COLOR
295 bool " Allow use of color to identify file types"
297 depends on BUSYBOX_CONFIG_LS
299 This enables the --color option to ls.
301 config BUSYBOX_CONFIG_FEATURE_LS_COLOR_IS_DEFAULT
302 bool " Produce colored ls output by default"
304 depends on BUSYBOX_CONFIG_FEATURE_LS_COLOR
306 Saying yes here will turn coloring on by default,
307 even if no "--color" option is given to the ls command.
308 This is not recommended, since the colors are not
309 configurable, and the output may not be legible on
312 config BUSYBOX_CONFIG_MD5SUM
316 md5sum is used to print or check MD5 checksums.
318 config BUSYBOX_CONFIG_MKDIR
322 mkdir is used to create directories with the specified names.
324 config BUSYBOX_CONFIG_MKFIFO
328 mkfifo is used to create FIFOs (named pipes).
329 The `mknod' program can also create FIFOs.
331 config BUSYBOX_CONFIG_MKNOD
335 mknod is used to create FIFOs or block/character special
336 files with the specified names.
338 config BUSYBOX_CONFIG_MV
342 mv is used to move or rename files or directories.
344 config BUSYBOX_CONFIG_NICE
348 nice runs a program with modified scheduling priority.
350 config BUSYBOX_CONFIG_NOHUP
354 run a command immune to hangups, with output to a non-tty.
356 config BUSYBOX_CONFIG_OD
360 od is used to dump binary files in octal and other formats.
362 config BUSYBOX_CONFIG_PRINTENV
366 printenv is used to print all or part of environment.
368 config BUSYBOX_CONFIG_PRINTF
372 printf is used to format and print specified strings.
373 It's similar to `echo' except it has more options.
375 config BUSYBOX_CONFIG_PWD
379 pwd is used to print the current directory.
381 config BUSYBOX_CONFIG_REALPATH
385 Return the canonicalized absolute pathname.
386 This isn't provided by GNU shellutils, but where else does it belong.
388 config BUSYBOX_CONFIG_RM
392 rm is used to remove files or directories.
394 config BUSYBOX_CONFIG_RMDIR
398 rmdir is used to remove empty directories.
400 config BUSYBOX_CONFIG_SEQ
404 print a sequence of numbers
406 config BUSYBOX_CONFIG_SHA1SUM
410 Compute and check SHA1 message digest
412 config BUSYBOX_CONFIG_SLEEP
413 bool "sleep (single integer arg with no suffix)"
416 sleep is used to pause for a specified number of seconds,
418 config BUSYBOX_CONFIG_FEATURE_FANCY_SLEEP
419 bool " Enable multiple integer args and optional time suffixes"
421 depends on BUSYBOX_CONFIG_SLEEP
423 Allow sleep to pause for specified minutes, hours, and days.
425 config BUSYBOX_CONFIG_SORT
429 sort is used to sort lines of text in specified files.
431 config BUSYBOX_CONFIG_FEATURE_SORT_BIG
432 bool " full SuSv3 compliant sort (Support -ktcsbdfiozgM)"
434 depends on BUSYBOX_CONFIG_SORT
436 Without this, sort only supports -r, -u, and an integer version
437 of -n. Selecting this adds sort keys, floating point support, and
438 more. This adds a little over 3k to a nonstatic build on x86.
440 The SuSv3 sort standard is available at:
441 http://www.opengroup.org/onlinepubs/007904975/utilities/sort.html
443 config BUSYBOX_CONFIG_STAT
447 display file or filesystem status.
449 config BUSYBOX_CONFIG_FEATURE_STAT_FORMAT
450 bool " Enable custom formats (-c)"
452 depends on BUSYBOX_CONFIG_STAT
454 Without this, stat will not support the '-c format' option where
455 users can pass a custom format string for output. This adds about
456 7k to a nonstatic build on amd64.
458 config BUSYBOX_CONFIG_STTY
462 stty is used to change and print terminal line settings.
464 config BUSYBOX_CONFIG_SUM
468 checksum and count the blocks in a file
470 config BUSYBOX_CONFIG_SYNC
474 sync is used to flush filesystem buffers.
476 config BUSYBOX_CONFIG_TAIL
480 tail is used to print the last specified number of lines
483 config BUSYBOX_CONFIG_FEATURE_FANCY_TAIL
484 bool " Enable extra tail options (-q, -s, and -v)"
486 depends on BUSYBOX_CONFIG_TAIL
488 The options (-q, -s, and -v) are provided by GNU tail, but
489 are not specific in the SUSv3 standard.
491 config BUSYBOX_CONFIG_TEE
495 tee is used to read from standard input and write
496 to standard output and files.
498 config BUSYBOX_CONFIG_FEATURE_TEE_USE_BLOCK_IO
499 bool " Enable block i/o (larger/faster) instead of byte i/o."
501 depends on BUSYBOX_CONFIG_TEE
503 Enable this option for a faster tee, at expense of size.
505 config BUSYBOX_CONFIG_TEST
509 test is used to check file types and compare values,
510 returning an appropriate exit code. The shells (ash
511 and bash) have test builtin.
513 config BUSYBOX_CONFIG_FEATURE_TEST_64
514 bool " Extend test to 64 bit"
516 depends on BUSYBOX_CONFIG_TEST
518 Enable 64-bit support in test.
520 config BUSYBOX_CONFIG_TOUCH
524 touch is used to create or change the access and/or
525 modification timestamp of specified files.
527 config BUSYBOX_CONFIG_TR
531 tr is used to squeeze, and/or delete characters from standard
532 input, writing to standard output.
534 config BUSYBOX_CONFIG_FEATURE_TR_CLASSES
535 bool " Enable character classes (such as [:upper:])"
537 depends on BUSYBOX_CONFIG_TR
539 Enable character classes, enabling commands such as:
540 tr [:upper:] [:lower:] to convert input into lowercase.
542 config BUSYBOX_CONFIG_FEATURE_TR_EQUIV
543 bool " Enable equivalence classes"
545 depends on BUSYBOX_CONFIG_TR
547 Enable equivalence classes, which essentially add the enclosed
548 character to the current set. For instance, tr [=a=] xyz would
549 replace all instances of 'a' with 'xyz'. This option is mainly
550 useful for cases when no other way of expressing a character
553 config BUSYBOX_CONFIG_TRUE
557 true returns an exit code of TRUE (0).
559 config BUSYBOX_CONFIG_TTY
563 tty is used to print the name of the current terminal to
566 config BUSYBOX_CONFIG_UNAME
570 uname is used to print system information.
572 config BUSYBOX_CONFIG_UNIQ
576 uniq is used to remove duplicate lines from a sorted file.
578 config BUSYBOX_CONFIG_USLEEP
582 usleep is used to pause for a specified number of microseconds.
584 config BUSYBOX_CONFIG_UUDECODE
588 uudecode is used to decode a uuencoded file.
590 config BUSYBOX_CONFIG_UUENCODE
594 uuencode is used to uuencode a file.
596 config BUSYBOX_CONFIG_WATCH
599 select BUSYBOX_CONFIG_DATE
601 watch is used to execute a program periodically, showing
602 output to the screen.
604 config BUSYBOX_CONFIG_WC
608 wc is used to print the number of bytes, words, and lines,
611 config BUSYBOX_CONFIG_WHO
614 select BUSYBOX_CONFIG_FEATURE_UTMP
616 who is used to show who is logged on.
618 config BUSYBOX_CONFIG_WHOAMI
622 whoami is used to print the username of the current
623 user id (same as id -un).
625 config BUSYBOX_CONFIG_YES
629 yes is used to repeatedly output a specific string, or
630 the default string `y'.
632 comment "Common options for cp and mv"
633 depends on BUSYBOX_CONFIG_CP || BUSYBOX_CONFIG_MV
635 config BUSYBOX_CONFIG_FEATURE_PRESERVE_HARDLINKS
636 bool " Preserve hard links"
638 depends on BUSYBOX_CONFIG_CP || BUSYBOX_CONFIG_MV
640 Allow cp and mv to preserve hard links.
642 comment "Common options for ls, more and telnet"
643 depends on BUSYBOX_CONFIG_LS || BUSYBOX_CONFIG_MORE || BUSYBOX_CONFIG_TELNET
645 config BUSYBOX_CONFIG_FEATURE_AUTOWIDTH
646 bool " Calculate terminal & column widths"
648 depends on BUSYBOX_CONFIG_LS || BUSYBOX_CONFIG_MORE || BUSYBOX_CONFIG_TELNET
650 This option allows utilities such as 'ls', 'more' and 'telnet'
651 to determine the width of the screen, which can allow them to
652 display additional text or avoid wrapping text onto the next line.
653 If you leave this disabled, your utilities will be especially
654 primitive and will be unable to determine the current screen width.
656 comment "Common options for df, du, ls"
657 depends on BUSYBOX_CONFIG_DF || BUSYBOX_CONFIG_DU || BUSYBOX_CONFIG_LS
659 config BUSYBOX_CONFIG_FEATURE_HUMAN_READABLE
660 bool " Support for human readable output (example 13k, 23M, 235G)"
662 depends on BUSYBOX_CONFIG_DF || BUSYBOX_CONFIG_DU || BUSYBOX_CONFIG_LS
664 Allow df, du, and ls to have human readable output.
666 comment "Common options for md5sum, sha1sum"
667 depends on BUSYBOX_CONFIG_MD5SUM || BUSYBOX_CONFIG_SHA1SUM
669 config BUSYBOX_CONFIG_FEATURE_MD5_SHA1_SUM_CHECK
670 bool " Enable -c, -s and -w options"
672 depends on BUSYBOX_CONFIG_MD5SUM || BUSYBOX_CONFIG_SHA1SUM
674 Enabling the -c options allows files to be checked
675 against pre-calculated hash values.
677 -s and -w are useful options when verifying checksums.