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