package/busybox/config/coreutils/Config.in

   1 #
   2 # For a description of the syntax of this configuration file,
   3 # see scripts/kbuild/config-language.txt.
   4 #
   5
   6 menu "Coreutils"
   7
   8 config BUSYBOX_CONFIG_BASENAME
   9         bool "basename"
  10         default y
  11         help
  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.
  15 config BUSYBOX_CONFIG_CAT
  16         bool "cat"
  17         default y
  18         help
  19           cat is used to concatenate files and print them to the standard
  20           output. Enable this option if you wish to enable the 'cat' utility.
  21 config BUSYBOX_CONFIG_DATE
  22         bool "date"
  23         default y
  24         help
  25           date is used to set the system date or display the
  26           current time in the given format.
  27
  28 config BUSYBOX_CONFIG_FEATURE_DATE_ISOFMT
  29         bool "Enable ISO date format output (-I)"
  30         default y
  31         depends on BUSYBOX_CONFIG_DATE
  32         help
  33           Enable option (-I) to output an ISO-8601 compliant
  34           date/time string.
  35
  36 config BUSYBOX_CONFIG_FEATURE_DATE_NANO
  37         bool "Support %[num]N nanosecond format specifier"
  38         default n
  39         depends on BUSYBOX_CONFIG_DATE && BUSYBOX_CONFIG_PLATFORM_LINUX
  40         help
  41           Support %[num]N format specifier. Adds ~250 bytes of code.
  42
  43 config BUSYBOX_CONFIG_FEATURE_DATE_COMPAT
  44         bool "Support weird 'date MMDDhhmm[[YY]YY][.ss]' format"
  45         default n
  46         depends on BUSYBOX_CONFIG_DATE
  47         help
  48           System time can be set by 'date -s DATE' and simply 'date DATE',
  49           but formats of DATE string are different. 'date DATE' accepts
  50           a rather weird MMDDhhmm[[YY]YY][.ss] format with completely
  51           unnatural placement of year between minutes and seconds.
  52           date -s (and other commands like touch -d) use more sensible
  53           formats (for one, ISO format YYYY-MM-DD hh:mm:ss.ssssss).
  54
  55           With this option off, 'date DATE' is 'date -s DATE' support
  56           the same format. With it on, 'date DATE' additionally supports
  57           MMDDhhmm[[YY]YY][.ss] format.
  58
  59 config BUSYBOX_CONFIG_TEST
  60         bool "test"
  61         default y
  62         help
  63           test is used to check file types and compare values,
  64           returning an appropriate exit code. The bash shell
  65           has test built in, ash can build it in optionally.
  66
  67 config BUSYBOX_CONFIG_FEATURE_TEST_64
  68         bool "Extend test to 64 bit"
  69         default y
  70         depends on BUSYBOX_CONFIG_TEST || BUSYBOX_CONFIG_ASH_BUILTIN_TEST || BUSYBOX_CONFIG_HUSH
  71         help
  72           Enable 64-bit support in test.
  73
  74 config BUSYBOX_CONFIG_TR
  75         bool "tr"
  76         default y
  77         help
  78           tr is used to squeeze, and/or delete characters from standard
  79           input, writing to standard output.
  80
  81 config BUSYBOX_CONFIG_FEATURE_TR_CLASSES
  82         bool "Enable character classes (such as [:upper:])"
  83         default n
  84         depends on BUSYBOX_CONFIG_TR
  85         help
  86           Enable character classes, enabling commands such as:
  87           tr [:upper:] [:lower:] to convert input into lowercase.
  88
  89 config BUSYBOX_CONFIG_FEATURE_TR_EQUIV
  90         bool "Enable equivalence classes"
  91         default n
  92         depends on BUSYBOX_CONFIG_TR
  93         help
  94           Enable equivalence classes, which essentially add the enclosed
  95           character to the current set. For instance, tr [=a=] xyz would
  96           replace all instances of 'a' with 'xyz'. This option is mainly
  97           useful for cases when no other way of expressing a character
  98           is possible.
  99 config BUSYBOX_CONFIG_BASE64
 100         bool "base64"
 101         default n
 102         help
 103           Base64 encode and decode
 104
 105 config BUSYBOX_CONFIG_CAL
 106         bool "cal"
 107         default n
 108         help
 109           cal is used to display a monthly calender.
 110
 111 config BUSYBOX_CONFIG_CATV
 112         bool "catv"
 113         default n
 114         help
 115           Display nonprinting characters as escape sequences (like some
 116           implementations' cat -v option).
 117
 118 config BUSYBOX_CONFIG_CHGRP
 119         bool "chgrp"
 120         default y
 121         help
 122           chgrp is used to change the group ownership of files.
 123
 124 config BUSYBOX_CONFIG_CHMOD
 125         bool "chmod"
 126         default y
 127         help
 128           chmod is used to change the access permission of files.
 129
 130 config BUSYBOX_CONFIG_CHOWN
 131         bool "chown"
 132         default y
 133         help
 134           chown is used to change the user and/or group ownership
 135           of files.
 136
 137 config BUSYBOX_CONFIG_FEATURE_CHOWN_LONG_OPTIONS
 138         bool "Enable long options"
 139         default n
 140         depends on BUSYBOX_CONFIG_CHOWN && BUSYBOX_CONFIG_LONG_OPTS
 141         help
 142           Enable use of long options
 143
 144 config BUSYBOX_CONFIG_CHROOT
 145         bool "chroot"
 146         default y
 147         help
 148           chroot is used to change the root directory and run a command.
 149           The default command is `/bin/sh'.
 150
 151 config BUSYBOX_CONFIG_CKSUM
 152         bool "cksum"
 153         default n
 154         help
 155           cksum is used to calculate the CRC32 checksum of a file.
 156
 157 config BUSYBOX_CONFIG_COMM
 158         bool "comm"
 159         default n
 160         help
 161           comm is used to compare two files line by line and return
 162           a three-column output.
 163
 164 config BUSYBOX_CONFIG_CP
 165         bool "cp"
 166         default y
 167         help
 168           cp is used to copy files and directories.
 169
 170 config BUSYBOX_CONFIG_FEATURE_CP_LONG_OPTIONS
 171         bool "Enable long options for cp"
 172         default n
 173         depends on BUSYBOX_CONFIG_CP && BUSYBOX_CONFIG_LONG_OPTS
 174         help
 175           Enable long options for cp.
 176           Also add support for --parents option.
 177
 178 config BUSYBOX_CONFIG_CUT
 179         bool "cut"
 180         default y
 181         help
 182           cut is used to print selected parts of lines from
 183           each file to stdout.
 184
 185 config BUSYBOX_CONFIG_DD
 186         bool "dd"
 187         default y
 188         help
 189           dd copies a file (from standard input to standard output,
 190           by default) using specific input and output blocksizes,
 191           while optionally performing conversions on it.
 192
 193 config BUSYBOX_CONFIG_FEATURE_DD_SIGNAL_HANDLING
 194         bool "Enable DD signal handling for status reporting"
 195         default y
 196         depends on BUSYBOX_CONFIG_DD
 197         help
 198           Sending a SIGUSR1 signal to a running `dd' process makes it
 199           print to standard error the number of records read and written
 200           so far, then to resume copying.
 201
 202           $ dd if=/dev/zero of=/dev/null&
 203           $ pid=$! kill -USR1 $pid; sleep 1; kill $pid
 204           10899206+0 records in
 205           10899206+0 records out
 206
 207 config BUSYBOX_CONFIG_FEATURE_DD_THIRD_STATUS_LINE
 208         bool "Enable the third status line upon signal"
 209         default n
 210         depends on BUSYBOX_CONFIG_DD && BUSYBOX_CONFIG_FEATURE_DD_SIGNAL_HANDLING
 211         help
 212           Displays a coreutils-like third status line with transferred bytes,
 213           elapsed time and speed.
 214
 215 config BUSYBOX_CONFIG_FEATURE_DD_IBS_OBS
 216         bool "Enable ibs, obs and conv options"
 217         default n
 218         depends on BUSYBOX_CONFIG_DD
 219         help
 220           Enables support for writing a certain number of bytes in and out,
 221           at a time, and performing conversions on the data stream.
 222
 223 config BUSYBOX_CONFIG_DF
 224         bool "df"
 225         default y
 226         help
 227           df reports the amount of disk space used and available
 228           on filesystems.
 229
 230 config BUSYBOX_CONFIG_FEATURE_DF_FANCY
 231         bool "Enable -a, -i, -B"
 232         default n
 233         depends on BUSYBOX_CONFIG_DF
 234         help
 235           This option enables -a, -i and -B.
 236
 237             -a Show all filesystems
 238             -i Inodes
 239             -B <SIZE> Blocksize
 240
 241 config BUSYBOX_CONFIG_DIRNAME
 242         bool "dirname"
 243         default y
 244         help
 245           dirname is used to strip a non-directory suffix from
 246           a file name.
 247
 248 config BUSYBOX_CONFIG_DOS2UNIX
 249         bool "dos2unix/unix2dos"
 250         default n
 251         help
 252           dos2unix is used to convert a text file from DOS format to
 253           UNIX format, and vice versa.
 254
 255 config BUSYBOX_CONFIG_UNIX2DOS
 256         bool
 257         default n
 258         depends on BUSYBOX_CONFIG_DOS2UNIX
 259         help
 260           unix2dos is used to convert a text file from UNIX format to
 261           DOS format, and vice versa.
 262
 263 config BUSYBOX_CONFIG_DU
 264         bool "du (default blocksize of 512 bytes)"
 265         default y
 266         help
 267           du is used to report the amount of disk space used
 268           for specified files.
 269
 270 config BUSYBOX_CONFIG_FEATURE_DU_DEFAULT_BLOCKSIZE_1K
 271         bool "Use a default blocksize of 1024 bytes (1K)"
 272         default y
 273         depends on BUSYBOX_CONFIG_DU
 274         help
 275           Use a blocksize of (1K) instead of the default 512b.
 276
 277 config BUSYBOX_CONFIG_ECHO
 278         bool "echo (basic SuSv3 version taking no options)"
 279         default y
 280         help
 281           echo is used to print a specified string to stdout.
 282
 283 # this entry also appears in shell/Config.in, next to the echo builtin
 284 config BUSYBOX_CONFIG_FEATURE_FANCY_ECHO
 285         bool "Enable echo options (-n and -e)"
 286         default y
 287         depends on BUSYBOX_CONFIG_ECHO || BUSYBOX_CONFIG_ASH_BUILTIN_ECHO || BUSYBOX_CONFIG_HUSH
 288         help
 289           This adds options (-n and -e) to echo.
 290
 291 config BUSYBOX_CONFIG_ENV
 292         bool "env"
 293         default y
 294         help
 295           env is used to set an environment variable and run
 296           a command; without options it displays the current
 297           environment.
 298
 299 config BUSYBOX_CONFIG_FEATURE_ENV_LONG_OPTIONS
 300         bool "Enable long options"
 301         default n
 302         depends on BUSYBOX_CONFIG_ENV && BUSYBOX_CONFIG_LONG_OPTS
 303         help
 304           Support long options for the env applet.
 305
 306 config BUSYBOX_CONFIG_EXPAND
 307         bool "expand"
 308         default n
 309         help
 310           By default, convert all tabs to spaces.
 311
 312 config BUSYBOX_CONFIG_FEATURE_EXPAND_LONG_OPTIONS
 313         bool "Enable long options"
 314         default n
 315         depends on BUSYBOX_CONFIG_EXPAND && BUSYBOX_CONFIG_LONG_OPTS
 316         help
 317           Support long options for the expand applet.
 318
 319 config BUSYBOX_CONFIG_EXPR
 320         bool "expr"
 321         default y
 322         help
 323           expr is used to calculate numbers and print the result
 324           to standard output.
 325
 326 config BUSYBOX_CONFIG_EXPR_MATH_SUPPORT_64
 327         bool "Extend Posix numbers support to 64 bit"
 328         default y
 329         depends on BUSYBOX_CONFIG_EXPR
 330         help
 331           Enable 64-bit math support in the expr applet. This will make
 332           the applet slightly larger, but will allow computation with very
 333           large numbers.
 334
 335 config BUSYBOX_CONFIG_FALSE
 336         bool "false"
 337         default y
 338         help
 339           false returns an exit code of FALSE (1).
 340
 341 config BUSYBOX_CONFIG_FOLD
 342         bool "fold"
 343         default n
 344         help
 345           Wrap text to fit a specific width.
 346
 347 config BUSYBOX_CONFIG_FSYNC
 348         bool "fsync"
 349         default n
 350         help
 351           fsync is used to flush file-related cached blocks to disk.
 352
 353 config BUSYBOX_CONFIG_HEAD
 354         bool "head"
 355         default y
 356         help
 357           head is used to print the first specified number of lines
 358           from files.
 359
 360 config BUSYBOX_CONFIG_FEATURE_FANCY_HEAD
 361         bool "Enable head options (-c, -q, and -v)"
 362         default y
 363         depends on BUSYBOX_CONFIG_HEAD
 364         help
 365           This enables the head options (-c, -q, and -v).
 366
 367 config BUSYBOX_CONFIG_HOSTID
 368         bool "hostid"
 369         default y
 370         help
 371           hostid prints the numeric identifier (in hexadecimal) for
 372           the current host.
 373
 374 config BUSYBOX_CONFIG_ID
 375         bool "id"
 376         default y
 377         help
 378           id displays the current user and group ID names.
 379
 380 config BUSYBOX_CONFIG_INSTALL
 381         bool "install"
 382         default n
 383         help
 384           Copy files and set attributes.
 385
 386 config BUSYBOX_CONFIG_FEATURE_INSTALL_LONG_OPTIONS
 387         bool "Enable long options"
 388         default n
 389         depends on BUSYBOX_CONFIG_INSTALL && BUSYBOX_CONFIG_LONG_OPTS
 390         help
 391           Support long options for the install applet.
 392
 393 config BUSYBOX_CONFIG_LENGTH
 394         bool "length"
 395         default y
 396         help
 397           length is used to print out the length of a specified string.
 398
 399 config BUSYBOX_CONFIG_LN
 400         bool "ln"
 401         default y
 402         help
 403           ln is used to create hard or soft links between files.
 404
 405 config BUSYBOX_CONFIG_LOGNAME
 406         bool "logname"
 407         default n
 408         help
 409           logname is used to print the current user's login name.
 410
 411 config BUSYBOX_CONFIG_LS
 412         bool "ls"
 413         default y
 414         help
 415           ls is used to list the contents of directories.
 416
 417 config BUSYBOX_CONFIG_FEATURE_LS_FILETYPES
 418         bool "Enable filetyping options (-p and -F)"
 419         default y
 420         depends on BUSYBOX_CONFIG_LS
 421         help
 422           Enable the ls options (-p and -F).
 423
 424 config BUSYBOX_CONFIG_FEATURE_LS_FOLLOWLINKS
 425         bool "Enable symlinks dereferencing (-L)"
 426         default y
 427         depends on BUSYBOX_CONFIG_LS
 428         help
 429           Enable the ls option (-L).
 430
 431 config BUSYBOX_CONFIG_FEATURE_LS_RECURSIVE
 432         bool "Enable recursion (-R)"
 433         default y
 434         depends on BUSYBOX_CONFIG_LS
 435         help
 436           Enable the ls option (-R).
 437
 438 config BUSYBOX_CONFIG_FEATURE_LS_SORTFILES
 439         bool "Sort the file names"
 440         default y
 441         depends on BUSYBOX_CONFIG_LS
 442         help
 443           Allow ls to sort file names alphabetically.
 444
 445 config BUSYBOX_CONFIG_FEATURE_LS_TIMESTAMPS
 446         bool "Show file timestamps"
 447         default y
 448         depends on BUSYBOX_CONFIG_LS
 449         help
 450           Allow ls to display timestamps for files.
 451
 452 config BUSYBOX_CONFIG_FEATURE_LS_USERNAME
 453         bool "Show username/groupnames"
 454         default y
 455         depends on BUSYBOX_CONFIG_LS
 456         help
 457           Allow ls to display username/groupname for files.
 458
 459 config BUSYBOX_CONFIG_FEATURE_LS_COLOR
 460         bool "Allow use of color to identify file types"
 461         default y
 462         depends on BUSYBOX_CONFIG_LS && BUSYBOX_CONFIG_LONG_OPTS
 463         help
 464           This enables the --color option to ls.
 465
 466 config BUSYBOX_CONFIG_FEATURE_LS_COLOR_IS_DEFAULT
 467         bool "Produce colored ls output by default"
 468         default y
 469         depends on BUSYBOX_CONFIG_FEATURE_LS_COLOR
 470         help
 471           Saying yes here will turn coloring on by default,
 472           even if no "--color" option is given to the ls command.
 473           This is not recommended, since the colors are not
 474           configurable, and the output may not be legible on
 475           many output screens.
 476
 477 config BUSYBOX_CONFIG_MD5SUM
 478         bool "md5sum"
 479         default y
 480         help
 481           md5sum is used to print or check MD5 checksums.
 482
 483 config BUSYBOX_CONFIG_MKDIR
 484         bool "mkdir"
 485         default y
 486         help
 487           mkdir is used to create directories with the specified names.
 488
 489 config BUSYBOX_CONFIG_FEATURE_MKDIR_LONG_OPTIONS
 490         bool "Enable long options"
 491         default n
 492         depends on BUSYBOX_CONFIG_MKDIR && BUSYBOX_CONFIG_LONG_OPTS
 493         help
 494           Support long options for the mkdir applet.
 495
 496 config BUSYBOX_CONFIG_MKFIFO
 497         bool "mkfifo"
 498         default y
 499         help
 500           mkfifo is used to create FIFOs (named pipes).
 501           The `mknod' program can also create FIFOs.
 502
 503 config BUSYBOX_CONFIG_MKNOD
 504         bool "mknod"
 505         default y
 506         help
 507           mknod is used to create FIFOs or block/character special
 508           files with the specified names.
 509
 510 config BUSYBOX_CONFIG_MV
 511         bool "mv"
 512         default y
 513         help
 514           mv is used to move or rename files or directories.
 515
 516 config BUSYBOX_CONFIG_FEATURE_MV_LONG_OPTIONS
 517         bool "Enable long options"
 518         default n
 519         depends on BUSYBOX_CONFIG_MV && BUSYBOX_CONFIG_LONG_OPTS
 520         help
 521           Support long options for the mv applet.
 522
 523 config BUSYBOX_CONFIG_NICE
 524         bool "nice"
 525         default y
 526         help
 527           nice runs a program with modified scheduling priority.
 528
 529 config BUSYBOX_CONFIG_NOHUP
 530         bool "nohup"
 531         default n
 532         help
 533           run a command immune to hangups, with output to a non-tty.
 534
 535 config BUSYBOX_CONFIG_OD
 536         bool "od"
 537         default n
 538         help
 539           od is used to dump binary files in octal and other formats.
 540
 541 config BUSYBOX_CONFIG_PRINTENV
 542         bool "printenv"
 543         default n
 544         help
 545           printenv is used to print all or part of environment.
 546
 547 config BUSYBOX_CONFIG_PRINTF
 548         bool "printf"
 549         default y
 550         help
 551           printf is used to format and print specified strings.
 552           It's similar to `echo' except it has more options.
 553
 554 config BUSYBOX_CONFIG_PWD
 555         bool "pwd"
 556         default y
 557         help
 558           pwd is used to print the current directory.
 559
 560 config BUSYBOX_CONFIG_READLINK
 561         bool "readlink"
 562         default n
 563         help
 564           This program reads a symbolic link and returns the name
 565           of the file it points to
 566
 567 config BUSYBOX_CONFIG_FEATURE_READLINK_FOLLOW
 568         bool "Enable canonicalization by following all symlinks (-f)"
 569         default n
 570         depends on BUSYBOX_CONFIG_READLINK
 571         help
 572           Enable the readlink option (-f).
 573
 574 config BUSYBOX_CONFIG_REALPATH
 575         bool "realpath"
 576         default n
 577         help
 578           Return the canonicalized absolute pathname.
 579           This isn't provided by GNU shellutils, but where else does it belong.
 580
 581 config BUSYBOX_CONFIG_RM
 582         bool "rm"
 583         default y
 584         help
 585           rm is used to remove files or directories.
 586
 587 config BUSYBOX_CONFIG_RMDIR
 588         bool "rmdir"
 589         default y
 590         help
 591           rmdir is used to remove empty directories.
 592
 593 config BUSYBOX_CONFIG_FEATURE_RMDIR_LONG_OPTIONS
 594         bool "Enable long options"
 595         default n
 596         depends on BUSYBOX_CONFIG_RMDIR && BUSYBOX_CONFIG_LONG_OPTS
 597         help
 598           Support long options for the rmdir applet, including
 599           --ignore-fail-on-non-empty for compatibility with GNU rmdir.
 600
 601 config BUSYBOX_CONFIG_SEQ
 602         bool "seq"
 603         default y
 604         help
 605           print a sequence of numbers
 606
 607 config BUSYBOX_CONFIG_SHA1SUM
 608         bool "sha1sum"
 609         default n
 610         help
 611           Compute and check SHA1 message digest
 612
 613 config BUSYBOX_CONFIG_SHA256SUM
 614         bool "sha256sum"
 615         default n
 616         help
 617           Compute and check SHA256 message digest
 618
 619 config BUSYBOX_CONFIG_SHA512SUM
 620         bool "sha512sum"
 621         default n
 622         help
 623           Compute and check SHA512 message digest
 624
 625 config BUSYBOX_CONFIG_SLEEP
 626         bool "sleep"
 627         default y
 628         help
 629           sleep is used to pause for a specified number of seconds.
 630           It comes in 3 versions:
 631           - small: takes one integer parameter
 632           - fancy: takes multiple integer arguments with suffixes:
 633             sleep 1d 2h 3m 15s
 634           - fancy with fractional numbers:
 635             sleep 2.3s 4.5h sleeps for 16202.3 seconds
 636           Last one is "the most compatible" with coreutils sleep,
 637           but it adds around 1k of code.
 638
 639 config BUSYBOX_CONFIG_FEATURE_FANCY_SLEEP
 640         bool "Enable multiple arguments and s/m/h/d suffixes"
 641         default y
 642         depends on BUSYBOX_CONFIG_SLEEP
 643         help
 644           Allow sleep to pause for specified minutes, hours, and days.
 645
 646 config BUSYBOX_CONFIG_FEATURE_FLOAT_SLEEP
 647         bool "Enable fractional arguments"
 648         default n
 649         depends on BUSYBOX_CONFIG_FEATURE_FANCY_SLEEP
 650         help
 651           Allow for fractional numeric parameters.
 652
 653 config BUSYBOX_CONFIG_SORT
 654         bool "sort"
 655         default y
 656         help
 657           sort is used to sort lines of text in specified files.
 658
 659 config BUSYBOX_CONFIG_FEATURE_SORT_BIG
 660         bool "Full SuSv3 compliant sort (support -ktcsbdfiozgM)"
 661         default n
 662         depends on BUSYBOX_CONFIG_SORT
 663         help
 664           Without this, sort only supports -r, -u, and an integer version
 665           of -n. Selecting this adds sort keys, floating point support, and
 666           more. This adds a little over 3k to a nonstatic build on x86.
 667
 668           The SuSv3 sort standard is available at:
 669           http://www.opengroup.org/onlinepubs/007904975/utilities/sort.html
 670
 671 config BUSYBOX_CONFIG_SPLIT
 672         bool "split"
 673         default n
 674         help
 675           split a file into pieces.
 676
 677 config BUSYBOX_CONFIG_FEATURE_SPLIT_FANCY
 678         bool "Fancy extensions"
 679         default n
 680         depends on BUSYBOX_CONFIG_SPLIT
 681         help
 682           Add support for features not required by SUSv3.
 683           Supports additional suffixes 'b' for 512 bytes,
 684           'g' for 1GiB for the -b option.
 685
 686 config BUSYBOX_CONFIG_STAT
 687         bool "stat"
 688         default n
 689         depends on BUSYBOX_CONFIG_PLATFORM_LINUX
 690         help
 691           display file or filesystem status.
 692
 693 config BUSYBOX_CONFIG_FEATURE_STAT_FORMAT
 694         bool "Enable custom formats (-c)"
 695         default n
 696         depends on BUSYBOX_CONFIG_STAT
 697         help
 698           Without this, stat will not support the '-c format' option where
 699           users can pass a custom format string for output. This adds about
 700           7k to a nonstatic build on amd64.
 701
 702 config BUSYBOX_CONFIG_STTY
 703         bool "stty"
 704         default n
 705         help
 706           stty is used to change and print terminal line settings.
 707
 708 config BUSYBOX_CONFIG_SUM
 709         bool "sum"
 710         default n
 711         help
 712           checksum and count the blocks in a file
 713
 714 config BUSYBOX_CONFIG_SYNC
 715         bool "sync"
 716         default y
 717         help
 718           sync is used to flush filesystem buffers.
 719
 720 config BUSYBOX_CONFIG_TAC
 721         bool "tac"
 722         default n
 723         help
 724           tac is used to concatenate and print files in reverse.
 725
 726 config BUSYBOX_CONFIG_TAIL
 727         bool "tail"
 728         default y
 729         help
 730           tail is used to print the last specified number of lines
 731           from files.
 732
 733 config BUSYBOX_CONFIG_FEATURE_FANCY_TAIL
 734         bool "Enable extra tail options (-q, -s, -v, and -F)"
 735         default y
 736         depends on BUSYBOX_CONFIG_TAIL
 737         help
 738           The options (-q, -s, and -v) are provided by GNU tail, but
 739           are not specific in the SUSv3 standard.
 740
 741             -q      Never output headers giving file names
 742             -s SEC  Wait SEC seconds between reads with -f
 743             -v      Always output headers giving file names
 744
 745 config BUSYBOX_CONFIG_TEE
 746         bool "tee"
 747         default y
 748         help
 749           tee is used to read from standard input and write
 750           to standard output and files.
 751
 752 config BUSYBOX_CONFIG_FEATURE_TEE_USE_BLOCK_IO
 753         bool "Enable block I/O (larger/faster) instead of byte I/O"
 754         default y
 755         depends on BUSYBOX_CONFIG_TEE
 756         help
 757           Enable this option for a faster tee, at expense of size.
 758
 759 config BUSYBOX_CONFIG_TOUCH
 760         bool "touch"
 761         default y
 762         help
 763           touch is used to create or change the access and/or
 764           modification timestamp of specified files.
 765
 766 config BUSYBOX_CONFIG_TRUE
 767         bool "true"
 768         default y
 769         help
 770           true returns an exit code of TRUE (0).
 771
 772 config BUSYBOX_CONFIG_TTY
 773         bool "tty"
 774         default n
 775         help
 776           tty is used to print the name of the current terminal to
 777           standard output.
 778
 779 config BUSYBOX_CONFIG_UNAME
 780         bool "uname"
 781         default y
 782         help
 783           uname is used to print system information.
 784
 785 config BUSYBOX_CONFIG_UNEXPAND
 786         bool "unexpand"
 787         default n
 788         help
 789           By default, convert only leading sequences of blanks to tabs.
 790
 791 config BUSYBOX_CONFIG_FEATURE_UNEXPAND_LONG_OPTIONS
 792         bool "Enable long options"
 793         default n
 794         depends on BUSYBOX_CONFIG_UNEXPAND && BUSYBOX_CONFIG_LONG_OPTS
 795         help
 796           Support long options for the unexpand applet.
 797
 798 config BUSYBOX_CONFIG_UNIQ
 799         bool "uniq"
 800         default y
 801         help
 802           uniq is used to remove duplicate lines from a sorted file.
 803
 804 config BUSYBOX_CONFIG_USLEEP
 805         bool "usleep"
 806         default n
 807         help
 808           usleep is used to pause for a specified number of microseconds.
 809
 810 config BUSYBOX_CONFIG_UUDECODE
 811         bool "uudecode"
 812         default n
 813         help
 814           uudecode is used to decode a uuencoded file.
 815
 816 config BUSYBOX_CONFIG_UUENCODE
 817         bool "uuencode"
 818         default n
 819         help
 820           uuencode is used to uuencode a file.
 821
 822 config BUSYBOX_CONFIG_WC
 823         bool "wc"
 824         default y
 825         help
 826           wc is used to print the number of bytes, words, and lines,
 827           in specified files.
 828
 829 config BUSYBOX_CONFIG_FEATURE_WC_LARGE
 830         bool "Support very large files in wc"
 831         default n
 832         depends on BUSYBOX_CONFIG_WC
 833         help
 834           Use "unsigned long long" in wc for counter variables.
 835
 836 config BUSYBOX_CONFIG_WHO
 837         bool "who"
 838         default n
 839         depends on BUSYBOX_CONFIG_FEATURE_UTMP
 840         help
 841           who is used to show who is logged on.
 842
 843 config BUSYBOX_CONFIG_WHOAMI
 844         bool "whoami"
 845         default n
 846         help
 847           whoami is used to print the username of the current
 848           user id (same as id -un).
 849
 850 config BUSYBOX_CONFIG_YES
 851         bool "yes"
 852         default y
 853         help
 854           yes is used to repeatedly output a specific string, or
 855           the default string `y'.
 856
 857 comment "Common options for cp and mv"
 858         depends on BUSYBOX_CONFIG_CP || BUSYBOX_CONFIG_MV
 859
 860 config BUSYBOX_CONFIG_FEATURE_PRESERVE_HARDLINKS
 861         bool "Preserve hard links"
 862         default y
 863         depends on BUSYBOX_CONFIG_CP || BUSYBOX_CONFIG_MV
 864         help
 865           Allow cp and mv to preserve hard links.
 866
 867 comment "Common options for ls, more and telnet"
 868         depends on BUSYBOX_CONFIG_LS || BUSYBOX_CONFIG_MORE || BUSYBOX_CONFIG_TELNET
 869
 870 config BUSYBOX_CONFIG_FEATURE_AUTOWIDTH
 871         bool "Calculate terminal & column widths"
 872         default y
 873         depends on BUSYBOX_CONFIG_LS || BUSYBOX_CONFIG_MORE || BUSYBOX_CONFIG_TELNET
 874         help
 875           This option allows utilities such as 'ls', 'more' and 'telnet'
 876           to determine the width of the screen, which can allow them to
 877           display additional text or avoid wrapping text onto the next line.
 878           If you leave this disabled, your utilities will be especially
 879           primitive and will be unable to determine the current screen width.
 880
 881 comment "Common options for df, du, ls"
 882         depends on BUSYBOX_CONFIG_DF || BUSYBOX_CONFIG_DU || BUSYBOX_CONFIG_LS
 883
 884 config BUSYBOX_CONFIG_FEATURE_HUMAN_READABLE
 885         bool "Support for human readable output (example 13k, 23M, 235G)"
 886         default y
 887         depends on BUSYBOX_CONFIG_DF || BUSYBOX_CONFIG_DU || BUSYBOX_CONFIG_LS
 888         help
 889           Allow df, du, and ls to have human readable output.
 890
 891 comment "Common options for md5sum, sha1sum, sha256sum, sha512sum"
 892         depends on BUSYBOX_CONFIG_MD5SUM || BUSYBOX_CONFIG_SHA1SUM || BUSYBOX_CONFIG_SHA256SUM || BUSYBOX_CONFIG_SHA512SUM
 893
 894 config BUSYBOX_CONFIG_FEATURE_MD5_SHA1_SUM_CHECK
 895         bool "Enable -c, -s and -w options"
 896         default y
 897         depends on BUSYBOX_CONFIG_MD5SUM || BUSYBOX_CONFIG_SHA1SUM || BUSYBOX_CONFIG_SHA256SUM || BUSYBOX_CONFIG_SHA512SUM
 898         help
 899           Enabling the -c options allows files to be checked
 900           against pre-calculated hash values.
 901
 902           -s and -w are useful options when verifying checksums.
 903
 904 endmenu