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