1# 2# For a description of the syntax of this configuration file, 3# see scripts/kbuild/config-language.txt. 4# 5 6menu "Coreutils" 7 8config BASENAME 9 bool "basename" 10 default n 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 16config CAL 17 bool "cal" 18 default n 19 help 20 cal is used to display a monthly calender. 21 22config CAT 23 bool "cat" 24 default n 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 29config CATV 30 bool "catv" 31 default n 32 help 33 Display nonprinting characters as escape sequences (like some 34 implementations' cat -v option). 35 36config CHGRP 37 bool "chgrp" 38 default n 39 help 40 chgrp is used to change the group ownership of files. 41 42config CHMOD 43 bool "chmod" 44 default n 45 help 46 chmod is used to change the access permission of files. 47 48config CHOWN 49 bool "chown" 50 default n 51 help 52 chown is used to change the user and/or group ownership 53 of files. 54 55config CHROOT 56 bool "chroot" 57 default n 58 help 59 chroot is used to change the root directory and run a command. 60 The default command is `/bin/sh'. 61 62config CKSUM 63 bool "cksum" 64 default n 65 help 66 cksum is used to calculate the CRC32 checksum of a file. 67 68config COMM 69 bool "comm" 70 default n 71 help 72 comm is used to compare two files line by line and return 73 a three-column output. 74 75config CP 76 bool "cp" 77 default n 78 help 79 cp is used to copy files and directories. 80 81config CUT 82 bool "cut" 83 default n 84 help 85 cut is used to print selected parts of lines from 86 each file to stdout. 87 88config DATE 89 bool "date" 90 default n 91 help 92 date is used to set the system date or display the 93 current time in the given format. 94 95config FEATURE_DATE_ISOFMT 96 bool "Enable ISO date format output (-I)" 97 default y 98 depends on DATE 99 help 100 Enable option (-I) to output an ISO-8601 compliant 101 date/time string. 102 103config DD 104 bool "dd" 105 default n 106 help 107 dd copies a file (from standard input to standard output, 108 by default) using specific input and output blocksizes, 109 while optionally performing conversions on it. 110 111config FEATURE_DD_SIGNAL_HANDLING 112 bool "Enable DD signal handling for status reporting" 113 default y 114 depends on DD 115 help 116 sending a SIGUSR1 signal to a running `dd' process makes it 117 print to standard error the number of records read and written 118 so far, then to resume copying. 119 120 $ dd if=/dev/zero of=/dev/null& pid=$! $ kill -USR1 $pid; sleep 1; kill $pid 121 10899206+0 records in 10899206+0 records out 122 123config FEATURE_DD_IBS_OBS 124 bool "Enable ibs, obs and conv options" 125 default n 126 depends on DD 127 help 128 Enables support for writing a certain number of bytes in and out, 129 at a time, and performing conversions on the data stream. 130 131config DF 132 bool "df" 133 default n 134 help 135 df reports the amount of disk space used and available 136 on filesystems. 137 138config DIRNAME 139 bool "dirname" 140 default n 141 help 142 dirname is used to strip a non-directory suffix from 143 a file name. 144 145config DOS2UNIX 146 bool "dos2unix/unix2dos" 147 default n 148 help 149 dos2unix is used to convert a text file from DOS format to 150 UNIX format, and vice versa. 151 152config UNIX2DOS 153 bool 154 default y 155 depends on DOS2UNIX 156 help 157 unix2dos is used to convert a text file from UNIX format to 158 DOS format, and vice versa. 159 160config DU 161 bool "du (default blocksize of 512 bytes)" 162 default n 163 help 164 du is used to report the amount of disk space used 165 for specified files. 166 167config FEATURE_DU_DEFAULT_BLOCKSIZE_1K 168 bool "Use a default blocksize of 1024 bytes (1K)" 169 default y 170 depends on DU 171 help 172 Use a blocksize of (1K) instead of the default 512b. 173 174config ECHO 175 bool "echo (basic SuSv3 version taking no options)" 176 default n 177 help 178 echo is used to print a specified string to stdout. 179 180# this entry also appears in shell/Config.in, next to the echo builtin 181config FEATURE_FANCY_ECHO 182 bool "Enable echo options (-n and -e)" 183 default y 184 depends on ECHO 185 help 186 This adds options (-n and -e) to echo. 187 188config ENV 189 bool "env" 190 default n 191 help 192 env is used to set an environment variable and run 193 a command; without options it displays the current 194 environment. 195 196config FEATURE_ENV_LONG_OPTIONS 197 bool "Enable long options" 198 default n 199 depends on ENV && GETOPT_LONG 200 help 201 Support long options for the env applet. 202 203config EXPAND 204 bool "expand" 205 default n 206 help 207 By default, convert all tabs to spaces. 208 209config FEATURE_EXPAND_LONG_OPTIONS 210 bool "Enable long options" 211 default n 212 depends on EXPAND && GETOPT_LONG 213 help 214 Support long options for the expand applet. 215 216config EXPR 217 bool "expr" 218 default n 219 help 220 expr is used to calculate numbers and print the result 221 to standard output. 222 223config EXPR_MATH_SUPPORT_64 224 bool "Extend Posix numbers support to 64 bit" 225 default n 226 depends on EXPR 227 help 228 Enable 64-bit math support in the expr applet. This will make 229 the applet slightly larger, but will allow computation with very 230 large numbers. 231 232config FALSE 233 bool "false" 234 default n 235 help 236 false returns an exit code of FALSE (1). 237 238config FOLD 239 bool "fold" 240 default n 241 help 242 Wrap text to fit a specific width. 243 244config HEAD 245 bool "head" 246 default n 247 help 248 head is used to print the first specified number of lines 249 from files. 250 251config FEATURE_FANCY_HEAD 252 bool "Enable head options (-c, -q, and -v)" 253 default n 254 depends on HEAD 255 help 256 This enables the head options (-c, -q, and -v). 257 258config HOSTID 259 bool "hostid" 260 default n 261 help 262 hostid prints the numeric identifier (in hexadecimal) for 263 the current host. 264 265config ID 266 bool "id" 267 default n 268 help 269 id displays the current user and group ID names. 270 271config INSTALL 272 bool "install" 273 default n 274 help 275 Copy files and set attributes. 276 277config FEATURE_INSTALL_LONG_OPTIONS 278 bool "Enable long options" 279 default n 280 depends on INSTALL && GETOPT_LONG 281 help 282 Support long options for the install applet. 283 284config LENGTH 285 bool "length" 286 default n 287 help 288 length is used to print out the length of a specified string. 289 290config LN 291 bool "ln" 292 default n 293 help 294 ln is used to create hard or soft links between files. 295 296config LOGNAME 297 bool "logname" 298 default n 299 help 300 logname is used to print the current user's login name. 301 302config LS 303 bool "ls" 304 default n 305 help 306 ls is used to list the contents of directories. 307 308config FEATURE_LS_FILETYPES 309 bool "Enable filetyping options (-p and -F)" 310 default y 311 depends on LS 312 help 313 Enable the ls options (-p and -F). 314 315config FEATURE_LS_FOLLOWLINKS 316 bool "Enable symlinks dereferencing (-L)" 317 default y 318 depends on LS 319 help 320 Enable the ls option (-L). 321 322config FEATURE_LS_RECURSIVE 323 bool "Enable recursion (-R)" 324 default y 325 depends on LS 326 help 327 Enable the ls option (-R). 328 329config FEATURE_LS_SORTFILES 330 bool "Sort the file names" 331 default y 332 depends on LS 333 help 334 Allow ls to sort file names alphabetically. 335 336config FEATURE_LS_TIMESTAMPS 337 bool "Show file timestamps" 338 default y 339 depends on LS 340 help 341 Allow ls to display timestamps for files. 342 343config FEATURE_LS_USERNAME 344 bool "Show username/groupnames" 345 default y 346 depends on LS 347 help 348 Allow ls to display username/groupname for files. 349 350config FEATURE_LS_COLOR 351 bool "Allow use of color to identify file types" 352 default y 353 depends on LS && GETOPT_LONG 354 help 355 This enables the --color option to ls. 356 357config FEATURE_LS_COLOR_IS_DEFAULT 358 bool "Produce colored ls output by default" 359 default n 360 depends on FEATURE_LS_COLOR 361 help 362 Saying yes here will turn coloring on by default, 363 even if no "--color" option is given to the ls command. 364 This is not recommended, since the colors are not 365 configurable, and the output may not be legible on 366 many output screens. 367 368config MD5SUM 369 bool "md5sum" 370 default n 371 help 372 md5sum is used to print or check MD5 checksums. 373 374config MKDIR 375 bool "mkdir" 376 default n 377 help 378 mkdir is used to create directories with the specified names. 379 380config FEATURE_MKDIR_LONG_OPTIONS 381 bool "Enable long options" 382 default n 383 depends on MKDIR && GETOPT_LONG 384 help 385 Support long options for the mkdir applet. 386 387config MKFIFO 388 bool "mkfifo" 389 default n 390 help 391 mkfifo is used to create FIFOs (named pipes). 392 The `mknod' program can also create FIFOs. 393 394config MKNOD 395 bool "mknod" 396 default n 397 help 398 mknod is used to create FIFOs or block/character special 399 files with the specified names. 400 401config MV 402 bool "mv" 403 default n 404 help 405 mv is used to move or rename files or directories. 406 407config FEATURE_MV_LONG_OPTIONS 408 bool "Enable long options" 409 default n 410 depends on MV && GETOPT_LONG 411 help 412 Support long options for the mv applet. 413 414config NICE 415 bool "nice" 416 default n 417 help 418 nice runs a program with modified scheduling priority. 419 420config NOHUP 421 bool "nohup" 422 default n 423 help 424 run a command immune to hangups, with output to a non-tty. 425 426config OD 427 bool "od" 428 default n 429 help 430 od is used to dump binary files in octal and other formats. 431 432config PRINTENV 433 bool "printenv" 434 default n 435 help 436 printenv is used to print all or part of environment. 437 438config PRINTF 439 bool "printf" 440 default n 441 help 442 printf is used to format and print specified strings. 443 It's similar to `echo' except it has more options. 444 445config PWD 446 bool "pwd" 447 default n 448 help 449 pwd is used to print the current directory. 450 451config READLINK 452 bool "readlink" 453 default n 454 help 455 This program reads a symbolic link and returns the name 456 of the file it points to 457 458config FEATURE_READLINK_FOLLOW 459 bool "Enable canonicalization by following all symlinks (-f)" 460 default n 461 depends on READLINK 462 help 463 Enable the readlink option (-f). 464 465config REALPATH 466 bool "realpath" 467 default n 468 help 469 Return the canonicalized absolute pathname. 470 This isn't provided by GNU shellutils, but where else does it belong. 471 472config RM 473 bool "rm" 474 default n 475 help 476 rm is used to remove files or directories. 477 478config RMDIR 479 bool "rmdir" 480 default n 481 help 482 rmdir is used to remove empty directories. 483 484config SEQ 485 bool "seq" 486 default n 487 help 488 print a sequence of numbers 489 490config SHA1SUM 491 bool "sha1sum" 492 default n 493 help 494 Compute and check SHA1 message digest 495 496config SLEEP 497 bool "sleep (single integer arg with no suffix)" 498 default n 499 help 500 sleep is used to pause for a specified number of seconds, 501 502config FEATURE_FANCY_SLEEP 503 bool "Enable multiple integer args and optional time suffixes" 504 default n 505 depends on SLEEP 506 help 507 Allow sleep to pause for specified minutes, hours, and days. 508 509config SORT 510 bool "sort" 511 default n 512 help 513 sort is used to sort lines of text in specified files. 514 515config FEATURE_SORT_BIG 516 bool "full SuSv3 compliant sort (Support -ktcsbdfiozgM)" 517 default y 518 depends on SORT 519 help 520 Without this, sort only supports -r, -u, and an integer version 521 of -n. Selecting this adds sort keys, floating point support, and 522 more. This adds a little over 3k to a nonstatic build on x86. 523 524 The SuSv3 sort standard is available at: 525 http://www.opengroup.org/onlinepubs/007904975/utilities/sort.html 526 527config SPLIT 528 bool "split" 529 default n 530 help 531 split a file into pieces. 532 533config FEATURE_SPLIT_FANCY 534 bool "fancy extensions" 535 default n 536 depends on SPLIT 537 help 538 Add support for features not required by SUSv3. 539 Supports additional suffixes 'b' for 512 bytes, 540 'g' for 1GiB for the -b option. 541 542config STAT 543 bool "stat" 544 default n 545 help 546 display file or filesystem status. 547 548config FEATURE_STAT_FORMAT 549 bool "Enable custom formats (-c)" 550 default n 551 depends on STAT 552 help 553 Without this, stat will not support the '-c format' option where 554 users can pass a custom format string for output. This adds about 555 7k to a nonstatic build on amd64. 556 557config STTY 558 bool "stty" 559 default n 560 help 561 stty is used to change and print terminal line settings. 562 563config SUM 564 bool "sum" 565 default n 566 help 567 checksum and count the blocks in a file 568 569config SYNC 570 bool "sync" 571 default n 572 help 573 sync is used to flush filesystem buffers. 574 575config TAIL 576 bool "tail" 577 default n 578 help 579 tail is used to print the last specified number of lines 580 from files. 581 582config FEATURE_FANCY_TAIL 583 bool "Enable extra tail options (-q, -s, and -v)" 584 default y 585 depends on TAIL 586 help 587 The options (-q, -s, and -v) are provided by GNU tail, but 588 are not specific in the SUSv3 standard. 589 590config TEE 591 bool "tee" 592 default n 593 help 594 tee is used to read from standard input and write 595 to standard output and files. 596 597config FEATURE_TEE_USE_BLOCK_IO 598 bool "Enable block i/o (larger/faster) instead of byte i/o." 599 default n 600 depends on TEE 601 help 602 Enable this option for a faster tee, at expense of size. 603 604config TEST 605 bool "test" 606 default n 607 help 608 test is used to check file types and compare values, 609 returning an appropriate exit code. The bash shell 610 has test built in, ash can build it in optionally. 611 612config FEATURE_TEST_64 613 bool "Extend test to 64 bit" 614 default n 615 depends on TEST 616 help 617 Enable 64-bit support in test. 618 619config TOUCH 620 bool "touch" 621 default n 622 help 623 touch is used to create or change the access and/or 624 modification timestamp of specified files. 625 626config TR 627 bool "tr" 628 default n 629 help 630 tr is used to squeeze, and/or delete characters from standard 631 input, writing to standard output. 632 633config FEATURE_TR_CLASSES 634 bool "Enable character classes (such as [:upper:])" 635 default n 636 depends on TR 637 help 638 Enable character classes, enabling commands such as: 639 tr [:upper:] [:lower:] to convert input into lowercase. 640 641config FEATURE_TR_EQUIV 642 bool "Enable equivalence classes" 643 default n 644 depends on TR 645 help 646 Enable equivalence classes, which essentially add the enclosed 647 character to the current set. For instance, tr [=a=] xyz would 648 replace all instances of 'a' with 'xyz'. This option is mainly 649 useful for cases when no other way of expressing a character 650 is possible. 651 652config TRUE 653 bool "true" 654 default n 655 help 656 true returns an exit code of TRUE (0). 657 658config TTY 659 bool "tty" 660 default n 661 help 662 tty is used to print the name of the current terminal to 663 standard output. 664 665config UNAME 666 bool "uname" 667 default n 668 help 669 uname is used to print system information. 670 671config UNEXPAND 672 bool "unexpand" 673 default n 674 help 675 By default, convert only leading sequences of blanks to tabs. 676 677config FEATURE_UNEXPAND_LONG_OPTIONS 678 bool "Enable long options" 679 default n 680 depends on UNEXPAND && GETOPT_LONG 681 help 682 Support long options for the unexpand applet. 683 684config UNIQ 685 bool "uniq" 686 default n 687 help 688 uniq is used to remove duplicate lines from a sorted file. 689 690config USLEEP 691 bool "usleep" 692 default n 693 help 694 usleep is used to pause for a specified number of microseconds. 695 696config UUDECODE 697 bool "uudecode" 698 default n 699 help 700 uudecode is used to decode a uuencoded file. 701 702config UUENCODE 703 bool "uuencode" 704 default n 705 help 706 uuencode is used to uuencode a file. 707 708config WC 709 bool "wc" 710 default n 711 help 712 wc is used to print the number of bytes, words, and lines, 713 in specified files. 714 715config FEATURE_WC_LARGE 716 bool "Support very large files in wc" 717 default n 718 depends on WC 719 help 720 Use "unsigned long long" in wc for count variables 721 722config WHO 723 bool "who" 724 default n 725 select FEATURE_UTMP 726 help 727 who is used to show who is logged on. 728 729config WHOAMI 730 bool "whoami" 731 default n 732 help 733 whoami is used to print the username of the current 734 user id (same as id -un). 735 736config YES 737 bool "yes" 738 default n 739 help 740 yes is used to repeatedly output a specific string, or 741 the default string `y'. 742 743comment "Common options for cp and mv" 744 depends on CP || MV 745 746config FEATURE_PRESERVE_HARDLINKS 747 bool "Preserve hard links" 748 default n 749 depends on CP || MV 750 help 751 Allow cp and mv to preserve hard links. 752 753comment "Common options for ls, more and telnet" 754 depends on LS || MORE || TELNET 755 756config FEATURE_AUTOWIDTH 757 bool "Calculate terminal & column widths" 758 default y 759 depends on LS || MORE || TELNET 760 help 761 This option allows utilities such as 'ls', 'more' and 'telnet' 762 to determine the width of the screen, which can allow them to 763 display additional text or avoid wrapping text onto the next line. 764 If you leave this disabled, your utilities will be especially 765 primitive and will be unable to determine the current screen width. 766 767comment "Common options for df, du, ls" 768 depends on DF || DU || LS 769 770config FEATURE_HUMAN_READABLE 771 bool "Support for human readable output (example 13k, 23M, 235G)" 772 default n 773 depends on DF || DU || LS 774 help 775 Allow df, du, and ls to have human readable output. 776 777comment "Common options for md5sum, sha1sum" 778 depends on MD5SUM || SHA1SUM 779 780config FEATURE_MD5_SHA1_SUM_CHECK 781 bool "Enable -c, -s and -w options" 782 default n 783 depends on MD5SUM || SHA1SUM 784 help 785 Enabling the -c options allows files to be checked 786 against pre-calculated hash values. 787 788 -s and -w are useful options when verifying checksums. 789 790endmenu 791