source: chapter08/util-linux.xml@ bde705c

xry111/mips64el
Last change on this file since bde705c was bde705c, checked in by Xi Ruoyao <xry111@…>, 3 days ago

mips64el: Revert "mips64el: util-linux: Document test failures caused by non-4K page size"

This reverts commit 3d891c7cf05ed324de1c6d4d493cf61731c6e17d.

The tests are fixed with 2.40.2.

  • Property mode set to 100644
File size: 49.0 KB
RevLine 
[7152faa]1<?xml version="1.0" encoding="UTF-8"?>
[fcc02767]2<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
3 "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
4 <!ENTITY % general-entities SYSTEM "../general.ent">
5 %general-entities;
6]>
7
8<sect1 id="ch-system-util-linux" role="wrap">
9 <?dbhtml filename="util-linux.html"?>
10
11 <sect1info condition="script">
12 <productname>util-linux</productname>
13 <productnumber>&util-linux-version;</productnumber>
14 <address>&util-linux-url;</address>
15 </sect1info>
16
17 <title>Util-linux-&util-linux-version;</title>
18
19 <indexterm zone="ch-system-util-linux">
20 <primary sortas="a-Util-linux">Util-linux</primary>
21 </indexterm>
22
23 <sect2 role="package">
24 <title/>
25
26 <para>The Util-linux package contains miscellaneous utility programs.
27 Among them are utilities for handling file systems, consoles, partitions,
28 and messages.</para>
29
30 <segmentedlist>
31 <segtitle>&buildtime;</segtitle>
32 <segtitle>&diskspace;</segtitle>
33
34 <seglistitem>
[fb386e0]35 <seg>&util-linux-fin-sbu;</seg>
36 <seg>&util-linux-fin-du;</seg>
[fcc02767]37 </seglistitem>
38 </segmentedlist>
39
40 </sect2>
41
42 <sect2 role="installation">
43 <title>Installation of Util-linux</title>
44
[9b01d1b]45<!--
[1f20176c]46 <para>First, disable a problematic test:</para>
[0a7df4c]47
48 <screen><userinput remap="pre">sed -i '/test_mkfds/s/^/#/' tests/helpers/Makemodule.am</userinput></screen>
[9b01d1b]49-->
[fcc02767]50 <para>Prepare Util-linux for compilation:</para>
51
[9b01d1b]52 <screen revision="sysv"><userinput remap="configure">./configure --bindir=/usr/bin \
53 --libdir=/usr/lib \
54 --runstatedir=/run \
55 --sbindir=/usr/sbin \
56 --disable-chfn-chsh \
57 --disable-login \
58 --disable-nologin \
59 --disable-su \
60 --disable-setpriv \
61 --disable-runuser \
62 --disable-pylibmount \
63 --disable-liblastlog2 \
64 --disable-static \
65 --without-python \
66 --without-systemd \
[03682b2]67 --without-systemdsystemunitdir \
68 ADJTIME_PATH=/var/lib/hwclock/adjtime \
[89c3f71]69 --docdir=/usr/share/doc/util-linux-&util-linux-version;</userinput></screen>
[fcc02767]70
[9b01d1b]71 <screen revision="systemd"><userinput remap="configure">./configure --bindir=/usr/bin \
72 --libdir=/usr/lib \
73 --runstatedir=/run \
74 --sbindir=/usr/sbin \
75 --disable-chfn-chsh \
76 --disable-login \
77 --disable-nologin \
78 --disable-su \
79 --disable-setpriv \
80 --disable-runuser \
81 --disable-pylibmount \
82 --disable-liblastlog2 \
83 --disable-static \
84 --without-python \
[03682b2]85 ADJTIME_PATH=/var/lib/hwclock/adjtime \
[89c3f71]86 --docdir=/usr/share/doc/util-linux-&util-linux-version;</userinput></screen>
[fcc02767]87
88 <para>The --disable and --without options prevent warnings about
[9bb4939]89 building components that either require packages not in LFS, or are
[fcc02767]90 inconsistent with programs installed by other packages.</para>
91
92 <para>Compile the package:</para>
93
94<screen><userinput remap="make">make</userinput></screen>
95
[9bfd203f]96 <!-- To editors:
97 Two tests need a /etc/fstab file. They are skipped if the host
98 distro isn't using systemd as the init system, so don't remove
99 the creation of /etc/fstab unless you've tested it with such a
100 host distro (for example LFS systemd or Debian). -->
101 <para>If desired, create a dummy <filename>/etc/fstab</filename> file
102 to satisfy two tests and run the test suite as a non-&root;
103 user:</para>
[fcc02767]104
[34fe7e0]105 <warning><para>Running the test suite as the
106 <systemitem class="username">root</systemitem> user can be harmful to
[fcc02767]107 your system. To run it, the CONFIG_SCSI_DEBUG option for the kernel must
[6a156bab]108 be available in the currently running system and must be built as a
[fcc02767]109 module. Building it into the kernel will prevent booting. For complete
110 coverage, other BLFS packages must be installed. If desired, this test can
[9bb4939]111 be run by booting into the completed LFS system and running:</para>
[fcc02767]112
113<screen role="nodump"><userinput>bash tests/run.sh --srcdir=$PWD --builddir=$PWD</userinput></screen>
114 </warning>
[11d5dee]115
[9bfd203f]116<screen><userinput remap="test">touch /etc/fstab
117chown -R tester .
[fcc02767]118su tester -c "make -k check"</userinput></screen>
119
[9b01d1b]120 <para>
121 The <emphasis>hardlink</emphasis> tests will fail if the host's kernel
122 does not have the option <option>CONFIG_CRYPTO_USER_API_HASH</option>
123 enabled or does not have any options providing a SHA256 implementation
124 (for example, <option>CONFIG_CRYPTO_SHA256</option>, or
125 <option>CONFIG_CRYPTO_SHA256_SSSE3</option> if the CPU supports
126 Supplemental SSE3) enabled. In addition, the lsfd: inotify test will
127 fail if the kernel option <option>CONFIG_NETLINK_DIAG</option> is not
128 enabled.
129 </para>
[676f0fd]130
[fcc02767]131 <para>Install the package:</para>
132
133<screen><userinput remap="install">make install</userinput></screen>
[ff96923]134<!--
[7fe99c2]135 <para>Finally, install the man pages:</para>
136
[ff96923]137<screen><userinput remap="install">tar -xf ../util-linux-man-pages-&util-linux-version;.tar.xz - -directory /usr/share/man - -strip-components=1</userinput></screen>
138-->
[fcc02767]139 </sect2>
140
141 <sect2 id="contents-utillinux" role="content">
142 <title>Contents of Util-linux</title>
143
144 <segmentedlist>
145 <segtitle>Installed programs</segtitle>
146 <segtitle>Installed libraries</segtitle>
147 <segtitle>Installed directories</segtitle>
148
149 <seglistitem>
150 <seg>addpart, agetty, blkdiscard, blkid, blkzone, blockdev, cal, cfdisk, chcpu,
151 chmem, choom, chrt, col, colcrt, colrm, column, ctrlaltdel, delpart, dmesg,
[50c357d3]152 eject, fallocate, fdisk, fincore, findfs, findmnt, flock, fsck,
[9bb4939]153 fsck.cramfs, fsck.minix, fsfreeze, fstrim, getopt, hardlink, hexdump, hwclock,
[093c8d4b]154 ionice, ipcmk, ipcrm, ipcs, irqtop, isosize, kill, last,
[9bb4939]155 lastb (link to last), ldattach, linux32 (link to setarch), linux64 (link to setarch),
156 logger, look, losetup, lsblk, lscpu, lsipc, lsirq, lsfd, lslocks, lslogins,
[093c8d4b]157 lsmem, lsns, mcookie, mesg, mips (link to setarch), mips32 (link
158 to setarch), mips64 (link to setarch), mkfs, mkfs.bfs, mkfs.cramfs,
159 mkfs.minix, mkswap,
[7b370c5]160 more, mount, mountpoint, namei, nsenter, partx, pivot_root, prlimit,
[fcc02767]161 readprofile, rename, renice, resizepart, rev, rfkill, rtcwake, script,
[50c357d3]162 scriptlive, scriptreplay, setarch, setsid, setterm, sfdisk, sulogin, swaplabel,
[9bb4939]163 swapoff, swapon, switch_root, taskset, uclampset, ul,
164 umount, uname26 (link to setarch), unshare, utmpdump, uuidd, uuidgen, uuidparse,
[093c8d4b]165 wall, wdctl, whereis, wipefs, and zramctl</seg>
[d672ab7]166 <seg>libblkid.so, libfdisk.so, libmount.so,
[fcc02767]167 libsmartcols.so, and libuuid.so</seg>
[d672ab7]168 <seg>/usr/include/blkid,
169 /usr/include/libfdisk,
170 /usr/include/libmount,
171 /usr/include/libsmartcols,
172 /usr/include/uuid,
173 /usr/share/doc/util-linux-&util-linux-version;,
[fcc02767]174 and /var/lib/hwclock</seg>
175 </seglistitem>
176 </segmentedlist>
177
178 <variablelist>
179 <bridgehead renderas="sect3">Short Descriptions</bridgehead>
180 <?dbfo list-presentation="list"?>
181 <?dbhtml list-presentation="table"?>
182
183 <varlistentry id="addpart">
184 <term><command>addpart</command></term>
185 <listitem>
186 <para>Informs the Linux kernel of new partitions</para>
187 <indexterm zone="ch-system-util-linux addpart">
188 <primary sortas="b-addpart">addpart</primary>
189 </indexterm>
190 </listitem>
191 </varlistentry>
192
193 <varlistentry id="agetty">
194 <term><command>agetty</command></term>
195 <listitem>
196 <para>Opens a tty port, prompts for a login name,
197 and then invokes the <command>login</command> program</para>
198 <indexterm zone="ch-system-util-linux agetty">
199 <primary sortas="b-agetty">agetty</primary>
200 </indexterm>
201 </listitem>
202 </varlistentry>
203
204 <varlistentry id="blkdiscard">
205 <term><command>blkdiscard</command></term>
206 <listitem>
207 <para>Discards sectors on a device</para>
208 <indexterm zone="ch-system-util-linux blkdiscard">
209 <primary sortas="b-blkdiscard">blkdiscard</primary>
210 </indexterm>
211 </listitem>
212 </varlistentry>
213
214 <varlistentry id="blkid">
215 <term><command>blkid</command></term>
216 <listitem>
217 <para>A command line utility to locate and print block device
218 attributes</para>
219 <indexterm zone="ch-system-util-linux blkid">
220 <primary sortas="b-blkid">blkid</primary>
221 </indexterm>
222 </listitem>
223 </varlistentry>
224
225 <varlistentry id="blkzone">
226 <term><command>blkzone</command></term>
227 <listitem>
[9bb4939]228 <para>Is used to manage zoned storage block devices</para>
[fcc02767]229 <indexterm zone="ch-system-util-linux blkzone">
230 <primary sortas="b-blkzone">blkzone</primary>
231 </indexterm>
232 </listitem>
233 </varlistentry>
234
235 <varlistentry id="blockdev">
236 <term><command>blockdev</command></term>
237 <listitem>
238 <para>Allows users to call block device ioctls from the command
239 line</para>
240 <indexterm zone="ch-system-util-linux blockdev">
241 <primary sortas="b-blockdev">blockdev</primary>
242 </indexterm>
243 </listitem>
244 </varlistentry>
245
246 <varlistentry id="cal">
247 <term><command>cal</command></term>
248 <listitem>
249 <para>Displays a simple calendar</para>
250 <indexterm zone="ch-system-util-linux cal">
251 <primary sortas="b-cal">cal</primary>
252 </indexterm>
253 </listitem>
254 </varlistentry>
255
256 <varlistentry id="cfdisk">
257 <term><command>cfdisk</command></term>
258 <listitem>
259 <para>Manipulates the partition table of the given device</para>
260 <indexterm zone="ch-system-util-linux cfdisk">
261 <primary sortas="b-cfdisk">cfdisk</primary>
262 </indexterm>
263 </listitem>
264 </varlistentry>
265
266 <varlistentry id="chcpu">
267 <term><command>chcpu</command></term>
268 <listitem>
269 <para>Modifies the state of CPUs</para>
270 <indexterm zone="ch-system-util-linux chcpu">
271 <primary sortas="b-chcpu">chcpu</primary>
272 </indexterm>
273 </listitem>
274 </varlistentry>
275
276 <varlistentry id="chmem">
277 <term><command>chmem</command></term>
278 <listitem>
279 <para>Configures memory</para>
280 <indexterm zone="ch-system-util-linux chmem">
281 <primary sortas="b-chmem">chmem</primary>
282 </indexterm>
283 </listitem>
284 </varlistentry>
285
286 <varlistentry id="choom">
287 <term><command>choom</command></term>
288 <listitem>
[9bb4939]289 <para>Displays and adjusts OOM-killer scores, used to determine
290 which process to kill first when Linux is Out Of Memory</para>
[fcc02767]291 <indexterm zone="ch-system-util-linux choom">
292 <primary sortas="b-choom">choom</primary>
293 </indexterm>
294 </listitem>
295 </varlistentry>
296
297 <varlistentry id="chrt">
298 <term><command>chrt</command></term>
299 <listitem>
300 <para>Manipulates real-time attributes of a process</para>
301 <indexterm zone="ch-system-util-linux chrt">
302 <primary sortas="b-chrt">chrt</primary>
303 </indexterm>
304 </listitem>
305 </varlistentry>
306
307 <varlistentry id="col">
308 <term><command>col</command></term>
309 <listitem>
310 <para>Filters out reverse line feeds</para>
311 <indexterm zone="ch-system-util-linux col">
312 <primary sortas="b-col">col</primary>
313 </indexterm>
314 </listitem>
315 </varlistentry>
316
317 <varlistentry id="colcrt">
318 <term><command>colcrt</command></term>
319 <listitem>
320 <para>Filters <command>nroff</command> output for terminals
321 that lack some capabilities, such as overstriking and half-lines</para>
322 <indexterm zone="ch-system-util-linux colcrt">
323 <primary sortas="b-colcrt">colcrt</primary>
324 </indexterm>
325 </listitem>
326 </varlistentry>
327
328 <varlistentry id="colrm">
329 <term><command>colrm</command></term>
330 <listitem>
331 <para>Filters out the given columns</para>
332 <indexterm zone="ch-system-util-linux colrm">
333 <primary sortas="b-colrm">colrm</primary>
334 </indexterm>
335 </listitem>
336 </varlistentry>
337
338 <varlistentry id="column">
339 <term><command>column</command></term>
340 <listitem>
341 <para>Formats a given file into multiple columns</para>
342 <indexterm zone="ch-system-util-linux column">
343 <primary sortas="b-column">column</primary>
344 </indexterm>
345 </listitem>
346 </varlistentry>
347
348 <varlistentry id="ctrlaltdel">
349 <term><command>ctrlaltdel</command></term>
350 <listitem>
351 <para>Sets the function of the Ctrl+Alt+Del key combination to a
352 hard or a soft reset</para>
353 <indexterm zone="ch-system-util-linux ctrlaltdel">
354 <primary sortas="b-ctrlaltdel">ctrlaltdel</primary>
355 </indexterm>
356 </listitem>
357 </varlistentry>
358
359 <varlistentry id="delpart">
360 <term><command>delpart</command></term>
361 <listitem>
362 <para>Asks the Linux kernel to remove a partition</para>
363 <indexterm zone="ch-system-util-linux delpart">
364 <primary sortas="b-delpart">delpart</primary>
365 </indexterm>
366 </listitem>
367 </varlistentry>
368
369 <varlistentry id="dmesg">
370 <term><command>dmesg</command></term>
371 <listitem>
372 <para>Dumps the kernel boot messages</para>
373 <indexterm zone="ch-system-util-linux dmesg">
374 <primary sortas="b-dmesg">dmesg</primary>
375 </indexterm>
376 </listitem>
377 </varlistentry>
378
379 <varlistentry id="eject">
380 <term><command>eject</command></term>
381 <listitem>
382 <para>Ejects removable media</para>
383 <indexterm zone="ch-system-util-linux eject">
384 <primary sortas="b-eject">eject</primary>
385 </indexterm>
386 </listitem>
387 </varlistentry>
388
389 <varlistentry id="fallocate">
390 <term><command>fallocate</command></term>
391 <listitem>
392 <para>Preallocates space to a file</para>
393 <indexterm zone="ch-system-util-linux fallocate">
394 <primary sortas="b-fallocate">fallocate</primary>
395 </indexterm>
396 </listitem>
397 </varlistentry>
398
399 <varlistentry id="fdisk">
400 <term><command>fdisk</command></term>
401 <listitem>
402 <para>Manipulates the partition table of the given device</para>
403 <indexterm zone="ch-system-util-linux fdisk">
404 <primary sortas="b-fdisk">fdisk</primary>
405 </indexterm>
406 </listitem>
407 </varlistentry>
408
409 <varlistentry id="fincore">
410 <term><command>fincore</command></term>
411 <listitem>
412 <para>Counts pages of file contents in core</para>
413 <indexterm zone="ch-system-util-linux fincore">
414 <primary sortas="b-fincore">fincore</primary>
415 </indexterm>
416 </listitem>
417 </varlistentry>
418
419 <varlistentry id="findfs">
420 <term><command>findfs</command></term>
421 <listitem>
[9bb4939]422 <para>Finds a file system, either by label or Universally Unique Identifier
[fcc02767]423 (UUID)</para>
424 <indexterm zone="ch-system-util-linux findfs">
425 <primary sortas="b-findfs">findfs</primary>
426 </indexterm>
427 </listitem>
428 </varlistentry>
429
430 <varlistentry id="findmnt">
431 <term><command>findmnt</command></term>
432 <listitem>
433 <para>Is a command line interface to the libmount library
[9bb4939]434 for working with mountinfo, fstab and mtab files</para>
[fcc02767]435 <indexterm zone="ch-system-util-linux findmnt">
436 <primary sortas="b-findmnt">findmnt</primary>
437 </indexterm>
438 </listitem>
439 </varlistentry>
440
441 <varlistentry id="flock">
442 <term><command>flock</command></term>
443 <listitem>
444 <para>Acquires a file lock and then executes a command with the lock
445 held</para>
446 <indexterm zone="ch-system-util-linux flock">
447 <primary sortas="b-flock">flock</primary>
448 </indexterm>
449 </listitem>
450 </varlistentry>
451
452 <varlistentry id="fsck">
453 <term><command>fsck</command></term>
454 <listitem>
455 <para>Is used to check, and optionally repair, file systems</para>
456 <indexterm zone="ch-system-util-linux fsck">
457 <primary sortas="b-fsck">fsck</primary>
458 </indexterm>
459 </listitem>
460 </varlistentry>
461
462 <varlistentry id="fsck.cramfs">
463 <term><command>fsck.cramfs</command></term>
464 <listitem>
465 <para>Performs a consistency check on the Cramfs file system on the
466 given device</para>
467 <indexterm zone="ch-system-util-linux fsck.cramfs">
468 <primary sortas="b-fsck.cramfs">fsck.cramfs</primary>
469 </indexterm>
470 </listitem>
471 </varlistentry>
472
473 <varlistentry id="fsck.minix">
474 <term><command>fsck.minix</command></term>
475 <listitem>
476 <para>Performs a consistency check on the Minix file system on the
477 given device</para>
478 <indexterm zone="ch-system-util-linux fsck.minix">
479 <primary sortas="b-fsck.minix">fsck.minix</primary>
480 </indexterm>
481 </listitem>
482 </varlistentry>
483
484 <varlistentry id="fsfreeze">
485 <term><command>fsfreeze</command></term>
486 <listitem>
487 <para>Is a very simple wrapper around FIFREEZE/FITHAW ioctl
488 kernel driver operations</para>
489 <indexterm zone="ch-system-util-linux fsfreeze">
490 <primary sortas="b-fsfreeze">fsfreeze</primary>
491 </indexterm>
492 </listitem>
493 </varlistentry>
494
495 <varlistentry id="fstrim">
496 <term><command>fstrim</command></term>
497 <listitem>
498 <para>Discards unused blocks on a mounted filesystem</para>
499 <indexterm zone="ch-system-util-linux fstrim">
500 <primary sortas="b-fstrim">fstrim</primary>
501 </indexterm>
502 </listitem>
503 </varlistentry>
504
505 <varlistentry id="getopt">
506 <term><command>getopt</command></term>
507 <listitem>
508 <para>Parses options in the given command line</para>
509 <indexterm zone="ch-system-util-linux getopt">
510 <primary sortas="b-getopt">getopt</primary>
511 </indexterm>
512 </listitem>
513 </varlistentry>
[9bb4939]514
515 <varlistentry id="hardlink">
516 <term><command>hardlink</command></term>
517 <listitem>
518 <para>Consolidates duplicate files by creating hard links</para>
519 <indexterm zone="ch-system-util-linux hardlink">
520 <primary sortas="b-hardlink">hardlink</primary>
521 </indexterm>
522 </listitem>
523 </varlistentry>
[fcc02767]524
525 <varlistentry id="hexdump">
526 <term><command>hexdump</command></term>
527 <listitem>
[9bb4939]528 <para>Dumps the given file in hexadecimal, decimal, octal,
529 or ascii</para>
[fcc02767]530 <indexterm zone="ch-system-util-linux hexdump">
531 <primary sortas="b-hexdump">hexdump</primary>
532 </indexterm>
533 </listitem>
534 </varlistentry>
535
536 <varlistentry id="hwclock">
537 <term><command>hwclock</command></term>
538 <listitem>
539 <para>Reads or sets the system's hardware clock, also called
540 the Real-Time Clock (RTC) or Basic Input-Output System (BIOS)
541 clock</para>
542 <indexterm zone="ch-system-util-linux hwclock">
543 <primary sortas="b-hwclock">hwclock</primary>
544 </indexterm>
545 </listitem>
546 </varlistentry>
547
548 <varlistentry id="ionice">
549 <term><command>ionice</command></term>
550 <listitem>
551 <para>Gets or sets the io scheduling class and priority for a program</para>
552 <indexterm zone="ch-system-util-linux ionice">
553 <primary sortas="b-ionice">ionice</primary>
554 </indexterm>
555 </listitem>
556 </varlistentry>
557
558 <varlistentry id="ipcmk">
559 <term><command>ipcmk</command></term>
560 <listitem>
561 <para>Creates various IPC resources</para>
562 <indexterm zone="ch-system-util-linux ipcmk">
563 <primary sortas="b-ipcmk">ipcmk</primary>
564 </indexterm>
565 </listitem>
566 </varlistentry>
567
568 <varlistentry id="ipcrm">
569 <term><command>ipcrm</command></term>
570 <listitem>
571 <para>Removes the given Inter-Process Communication (IPC) resource</para>
572 <indexterm zone="ch-system-util-linux ipcrm">
573 <primary sortas="b-ipcrm">ipcrm</primary>
574 </indexterm>
575 </listitem>
576 </varlistentry>
577
578 <varlistentry id="ipcs">
579 <term><command>ipcs</command></term>
580 <listitem>
581 <para>Provides IPC status information</para>
582 <indexterm zone="ch-system-util-linux ipcs">
583 <primary sortas="b-ipcs">ipcs</primary>
584 </indexterm>
585 </listitem>
586 </varlistentry>
587
[50c357d3]588 <varlistentry id="irqtop">
589 <term><command>irqtop</command></term>
590 <listitem>
591 <para>Displays kernel interrupt counter information in
[ea93c11]592 <ulink role='man' url='&man;top.1'>top(1)</ulink> style
593 view</para>
[50c357d3]594 <indexterm zone="ch-system-util-linux irqtop">
595 <primary sortas="b-irqtop">irqtop</primary>
596 </indexterm>
597 </listitem>
598 </varlistentry>
599
[fcc02767]600 <varlistentry id="isosize">
601 <term><command>isosize</command></term>
602 <listitem>
603 <para>Reports the size of an iso9660 file system</para>
604 <indexterm zone="ch-system-util-linux isosize">
605 <primary sortas="b-isosize">isosize</primary>
606 </indexterm>
607 </listitem>
608 </varlistentry>
609
610 <varlistentry id="kill">
611 <term><command>kill</command></term>
612 <listitem>
613 <para>Sends signals to processes</para>
614 <indexterm zone="ch-system-util-linux kill">
615 <primary sortas="b-kill">kill</primary>
616 </indexterm>
617 </listitem>
618 </varlistentry>
619
620 <varlistentry id="last">
621 <term><command>last</command></term>
622 <listitem>
[d672ab7]623 <para>Shows which users last logged in (and out), searching back
624 through the <filename>/var/log/wtmp</filename> file; it also shows
[fcc02767]625 system boots, shutdowns, and run-level changes</para>
626 <indexterm zone="ch-system-util-linux last">
627 <primary sortas="b-last">last</primary>
628 </indexterm>
629 </listitem>
630 </varlistentry>
631
632 <varlistentry id="lastb">
633 <term><command>lastb</command></term>
634 <listitem>
[d672ab7]635 <para>Shows the failed login attempts, as logged in
[fcc02767]636 <filename>/var/log/btmp</filename></para>
637 <indexterm zone="ch-system-util-linux lastb">
638 <primary sortas="b-lastb">lastb</primary>
639 </indexterm>
640 </listitem>
641 </varlistentry>
642
643 <varlistentry id="ldattach">
644 <term><command>ldattach</command></term>
645 <listitem>
646 <para>Attaches a line discipline to a serial line</para>
647 <indexterm zone="ch-system-util-linux ldattach">
648 <primary sortas="b-ldattach">ldattach</primary>
649 </indexterm>
650 </listitem>
651 </varlistentry>
652
653 <varlistentry id="linux32">
654 <term><command>linux32</command></term>
655 <listitem>
656 <para>A symbolic link to setarch</para>
657 <indexterm zone="ch-system-util-linux linux32">
658 <primary sortas="b-linux32">linux32</primary>
659 </indexterm>
660 </listitem>
661 </varlistentry>
662
663 <varlistentry id="linux64">
664 <term><command>linux64</command></term>
665 <listitem>
666 <para>A symbolic link to setarch</para>
667 <indexterm zone="ch-system-util-linux linux64">
668 <primary sortas="b-linux64">linux64</primary>
669 </indexterm>
670 </listitem>
671 </varlistentry>
672
673 <varlistentry id="logger">
674 <term><command>logger</command></term>
675 <listitem>
676 <para>Enters the given message into the system log</para>
677 <indexterm zone="ch-system-util-linux logger">
678 <primary sortas="b-logger">logger</primary>
679 </indexterm>
680 </listitem>
681 </varlistentry>
682
683 <varlistentry id="look">
684 <term><command>look</command></term>
685 <listitem>
686 <para>Displays lines that begin with the given string</para>
687 <indexterm zone="ch-system-util-linux look">
688 <primary sortas="b-look">look</primary>
689 </indexterm>
690 </listitem>
691 </varlistentry>
692
693 <varlistentry id="losetup">
694 <term><command>losetup</command></term>
695 <listitem>
696 <para>Sets up and controls loop devices</para>
697 <indexterm zone="ch-system-util-linux losetup">
698 <primary sortas="b-losetup">losetup</primary>
699 </indexterm>
700 </listitem>
701 </varlistentry>
702
703 <varlistentry id="lsblk">
704 <term><command>lsblk</command></term>
705 <listitem>
706 <para>Lists information about all or selected block devices in
707 a tree-like format</para>
708 <indexterm zone="ch-system-util-linux lsblk">
709 <primary sortas="b-lsblk">lsblk</primary>
710 </indexterm>
711 </listitem>
712 </varlistentry>
713
714 <varlistentry id="lscpu">
715 <term><command>lscpu</command></term>
716 <listitem>
717 <para>Prints CPU architecture information</para>
718 <indexterm zone="ch-system-util-linux lscpu">
719 <primary sortas="b-lscpu">lscpu</primary>
720 </indexterm>
721 </listitem>
722 </varlistentry>
[9bb4939]723
724 <varlistentry id="lsfd">
725 <term><command>lsfd</command></term>
726 <listitem>
727 <para>Displays information about open files; replaces <command>lsof</command></para>
728 <indexterm zone="ch-system-util-linux lsfd">
729 <primary sortas="b-lsfd">lsfd</primary>
730 </indexterm>
731 </listitem>
732 </varlistentry>
[fcc02767]733
734 <varlistentry id="lsipc">
735 <term><command>lsipc</command></term>
736 <listitem>
737 <para>Prints information on IPC facilities currently employed
738 in the system</para>
739 <indexterm zone="ch-system-util-linux lsipc">
740 <primary sortas="b-lsipc">lsipc</primary>
741 </indexterm>
742 </listitem>
743 </varlistentry>
744
[50c357d3]745 <varlistentry id="lsirq">
746 <term><command>lsirq</command></term>
747 <listitem>
748 <para>Displays kernel interrupt counter information</para>
749 <indexterm zone="ch-system-util-linux lsirq">
750 <primary sortas="b-lsirq">lsirq</primary>
751 </indexterm>
752 </listitem>
753 </varlistentry>
754
[fcc02767]755 <varlistentry id="lslocks">
756 <term><command>lslocks</command></term>
757 <listitem>
758 <para>Lists local system locks</para>
759 <indexterm zone="ch-system-util-linux lslocks">
760 <primary sortas="b-lslocks">lslocks</primary>
761 </indexterm>
762 </listitem>
763 </varlistentry>
764
765 <varlistentry id="lslogins">
766 <term><command>lslogins</command></term>
767 <listitem>
768 <para>Lists information about users, groups and system accounts</para>
769 <indexterm zone="ch-system-util-linux lslogins">
770 <primary sortas="b-lslogins">lslogins</primary>
771 </indexterm>
772 </listitem>
773 </varlistentry>
774
775 <varlistentry id="lsmem">
776 <term><command>lsmem</command></term>
777 <listitem>
778 <para>Lists the ranges of available memory with their online
779 status</para>
780 <indexterm zone="ch-system-util-linux lsmem">
781 <primary sortas="b-lsmem">lsmem</primary>
782 </indexterm>
783 </listitem>
784 </varlistentry>
785
786 <varlistentry id="lsns">
787 <term><command>lsns</command></term>
788 <listitem>
789 <para>Lists namespaces</para>
790 <indexterm zone="ch-system-util-linux lsns">
791 <primary sortas="b-lsns">lsns</primary>
792 </indexterm>
793 </listitem>
794 </varlistentry>
795
796 <varlistentry id="mcookie">
797 <term><command>mcookie</command></term>
798 <listitem>
799 <para>Generates magic cookies (128-bit random hexadecimal numbers) for
800 <command>xauth</command></para>
801 <indexterm zone="ch-system-util-linux mcookie">
802 <primary sortas="b-mcookie">mcookie</primary>
803 </indexterm>
804 </listitem>
805 </varlistentry>
806
807 <varlistentry id="mesg">
808 <term><command>mesg</command></term>
809 <listitem>
[d672ab7]810 <para>Controls whether other users can send messages to the current
[fcc02767]811 user's terminal</para>
812 <indexterm zone="ch-system-util-linux mesg">
813 <primary sortas="b-mesg">mesg</primary>
814 </indexterm>
815 </listitem>
816 </varlistentry>
817
[093c8d4b]818 <varlistentry id="mips">
819 <term><command>mips</command></term>
820 <listitem>
821 <para>A symbolic link to setarch</para>
822 <indexterm zone="ch-system-util-linux mips">
823 <primary sortas="b-mips">mips</primary>
824 </indexterm>
825 </listitem>
826 </varlistentry>
827
828 <varlistentry id="mips32">
829 <term><command>mips32</command></term>
830 <listitem>
831 <para>A symbolic link to setarch</para>
832 <indexterm zone="ch-system-util-linux mips32">
833 <primary sortas="b-mips32">mips32</primary>
834 </indexterm>
835 </listitem>
836 </varlistentry>
837
838 <varlistentry id="mips64">
839 <term><command>mips64</command></term>
840 <listitem>
841 <para>A symbolic link to setarch</para>
842 <indexterm zone="ch-system-util-linux mips64">
843 <primary sortas="b-mips64">mips64</primary>
844 </indexterm>
845 </listitem>
846 </varlistentry>
847
[fcc02767]848 <varlistentry id="mkfs">
849 <term><command>mkfs</command></term>
850 <listitem>
851 <para>Builds a file system on a device (usually a hard disk
852 partition)</para>
853 <indexterm zone="ch-system-util-linux mkfs">
854 <primary sortas="b-mkfs">mkfs</primary>
855 </indexterm>
856 </listitem>
857 </varlistentry>
858
859 <varlistentry id="mkfs.bfs">
860 <term><command>mkfs.bfs</command></term>
861 <listitem>
862 <para>Creates a Santa Cruz Operations (SCO) bfs file system</para>
863 <indexterm zone="ch-system-util-linux mkfs.bfs">
864 <primary sortas="b-mkfs.bfs">mkfs.bfs</primary>
865 </indexterm>
866 </listitem>
867 </varlistentry>
868
869 <varlistentry id="mkfs.cramfs">
870 <term><command>mkfs.cramfs</command></term>
871 <listitem>
872 <para>Creates a cramfs file system</para>
873 <indexterm zone="ch-system-util-linux mkfs.cramfs">
874 <primary sortas="b-mkfs.cramfs">mkfs.cramfs</primary>
875 </indexterm>
876 </listitem>
877 </varlistentry>
878
879 <varlistentry id="mkfs.minix">
880 <term><command>mkfs.minix</command></term>
881 <listitem>
882 <para>Creates a Minix file system</para>
883 <indexterm zone="ch-system-util-linux mkfs.minix">
884 <primary sortas="b-mkfs.minix">mkfs.minix</primary>
885 </indexterm>
886 </listitem>
887 </varlistentry>
888
889 <varlistentry id="mkswap">
890 <term><command>mkswap</command></term>
891 <listitem>
892 <para>Initializes the given device or file to be used as a swap
893 area</para>
894 <indexterm zone="ch-system-util-linux mkswap">
895 <primary sortas="b-mkswap">mkswap</primary>
896 </indexterm>
897 </listitem>
898 </varlistentry>
899
900 <varlistentry id="more">
901 <term><command>more</command></term>
902 <listitem>
903 <para>A filter for paging through text one screen at a time</para>
904 <indexterm zone="ch-system-util-linux more">
905 <primary sortas="b-more">more</primary>
906 </indexterm>
907 </listitem>
908 </varlistentry>
909
910 <varlistentry id="mount">
911 <term><command>mount</command></term>
912 <listitem>
913 <para>Attaches the file system on the given device to a specified
914 directory in the file-system tree</para>
915 <indexterm zone="ch-system-util-linux mount">
916 <primary sortas="b-mount">mount</primary>
917 </indexterm>
918 </listitem>
919 </varlistentry>
920
921 <varlistentry id="mountpoint">
922 <term><command>mountpoint</command></term>
923 <listitem>
924 <para>Checks if the directory is a mountpoint</para>
925 <indexterm zone="ch-system-util-linux mountpoint">
926 <primary sortas="b-mountpoint">mountpoint</primary>
927 </indexterm>
928 </listitem>
929 </varlistentry>
930
931 <varlistentry id="namei">
932 <term><command>namei</command></term>
933 <listitem>
[9bb4939]934 <para>Shows the symbolic links in the given paths</para>
[fcc02767]935 <indexterm zone="ch-system-util-linux namei">
936 <primary sortas="b-namei">namei</primary>
937 </indexterm>
938 </listitem>
939 </varlistentry>
940
941 <varlistentry id="nsenter">
942 <term><command>nsenter</command></term>
943 <listitem>
944 <para>Runs a program with namespaces of other processes</para>
945 <indexterm zone="ch-system-util-linux nsenter">
946 <primary sortas="b-nsenter">nsenter</primary>
947 </indexterm>
948 </listitem>
949 </varlistentry>
950
951 <varlistentry id="partx">
952 <term><command>partx</command></term>
953 <listitem>
954 <para>Tells the kernel about the presence and numbering of on-disk
955 partitions</para>
956 <indexterm zone="ch-system-util-linux partx">
957 <primary sortas="b-partx">partx</primary>
958 </indexterm>
959 </listitem>
960 </varlistentry>
961
962 <varlistentry id="pivot_root">
963 <term><command>pivot_root</command></term>
964 <listitem>
965 <para>Makes the given file system the new root file system of the
966 current process</para>
967 <indexterm zone="ch-system-util-linux pivot_root">
968 <primary sortas="b-pivot_root">pivot_root</primary>
969 </indexterm>
970 </listitem>
971 </varlistentry>
972
973 <varlistentry id="prlimit">
974 <term><command>prlimit</command></term>
975 <listitem>
[9bb4939]976 <para>Gets and sets a process's resource limits</para>
[fcc02767]977 <indexterm zone="ch-system-util-linux prlimit">
978 <primary sortas="b-prlimit">prlimit</primary>
979 </indexterm>
980 </listitem>
981 </varlistentry>
982
983 <varlistentry id="readprofile">
984 <term><command>readprofile</command></term>
985 <listitem>
986 <para>Reads kernel profiling information</para>
987 <indexterm zone="ch-system-util-linux readprofile">
988 <primary sortas="b-readprofile">readprofile</primary>
989 </indexterm>
990 </listitem>
991 </varlistentry>
992
993 <varlistentry id="rename">
994 <term><command>rename</command></term>
995 <listitem>
996 <para>Renames the given files, replacing a given string with
997 another</para>
998 <indexterm zone="ch-system-util-linux rename">
999 <primary sortas="b-rename">rename</primary>
1000 </indexterm>
1001 </listitem>
1002 </varlistentry>
1003
1004 <varlistentry id="renice">
1005 <term><command>renice</command></term>
1006 <listitem>
1007 <para>Alters the priority of running processes</para>
1008 <indexterm zone="ch-system-util-linux renice">
1009 <primary sortas="b-renice">renice</primary>
1010 </indexterm>
1011 </listitem>
1012 </varlistentry>
1013
1014 <varlistentry id="resizepart">
1015 <term><command>resizepart</command></term>
1016 <listitem>
1017 <para>Asks the Linux kernel to resize a partition</para>
1018 <indexterm zone="ch-system-util-linux resizepart">
1019 <primary sortas="b-resizepart">resizepart</primary>
1020 </indexterm>
1021 </listitem>
1022 </varlistentry>
1023
1024 <varlistentry id="rev">
1025 <term><command>rev</command></term>
1026 <listitem>
1027 <para>Reverses the lines of a given file</para>
1028 <indexterm zone="ch-system-util-linux rev">
1029 <primary sortas="b-rev">rev</primary>
1030 </indexterm>
1031 </listitem>
1032 </varlistentry>
1033
[d765208]1034 <varlistentry id="rfkill">
1035 <term><command>rfkill</command></term>
[fcc02767]1036 <listitem>
1037 <para>Tool for enabling and disabling wireless devices</para>
[d765208]1038 <indexterm zone="ch-system-util-linux rfkill">
1039 <primary sortas="b-rfkill">rfkill</primary>
[fcc02767]1040 </indexterm>
1041 </listitem>
1042 </varlistentry>
1043
1044 <varlistentry id="rtcwake">
1045 <term><command>rtcwake</command></term>
1046 <listitem>
[9bb4939]1047 <para>Used to enter a system sleep state until the specified wakeup
[fcc02767]1048 time</para>
1049 <indexterm zone="ch-system-util-linux rtcwake">
1050 <primary sortas="b-rtcwake">rtcwake</primary>
1051 </indexterm>
1052 </listitem>
1053 </varlistentry>
1054
1055 <varlistentry id="script">
1056 <term><command>script</command></term>
1057 <listitem>
1058 <para>Makes a typescript of a terminal session</para>
1059 <indexterm zone="ch-system-util-linux script">
1060 <primary sortas="b-script">script</primary>
1061 </indexterm>
1062 </listitem>
1063 </varlistentry>
1064
[50c357d3]1065 <varlistentry id="scriptlive">
1066 <term><command>scriptlive</command></term>
1067 <listitem>
[9bb4939]1068 <para>Re-runs session typescripts using timing information</para>
[50c357d3]1069 <indexterm zone="ch-system-util-linux scriptlive">
1070 <primary sortas="b-scriptlive">scriptlive</primary>
1071 </indexterm>
1072 </listitem>
1073 </varlistentry>
1074
[fcc02767]1075 <varlistentry id="scriptreplay">
1076 <term><command>scriptreplay</command></term>
1077 <listitem>
1078 <para>Plays back typescripts using timing information</para>
1079 <indexterm zone="ch-system-util-linux scriptreplay">
1080 <primary sortas="b-scriptreplay">scriptreplay</primary>
1081 </indexterm>
1082 </listitem>
1083 </varlistentry>
1084
1085 <varlistentry id="setarch">
1086 <term><command>setarch</command></term>
1087 <listitem>
[9bb4939]1088 <para>Changes reported architecture in a new program environment, and
[fcc02767]1089 sets personality flags</para>
1090 <indexterm zone="ch-system-util-linux setarch">
1091 <primary sortas="b-setarch">setarch</primary>
1092 </indexterm>
1093 </listitem>
1094 </varlistentry>
1095
1096 <varlistentry id="setsid">
1097 <term><command>setsid</command></term>
1098 <listitem>
1099 <para>Runs the given program in a new session</para>
1100 <indexterm zone="ch-system-util-linux setsid">
1101 <primary sortas="b-setsid">setsid</primary>
1102 </indexterm>
1103 </listitem>
1104 </varlistentry>
1105
1106 <varlistentry id="setterm">
1107 <term><command>setterm</command></term>
1108 <listitem>
1109 <para>Sets terminal attributes</para>
1110 <indexterm zone="ch-system-util-linux setterm">
1111 <primary sortas="b-setterm">setterm</primary>
1112 </indexterm>
1113 </listitem>
1114 </varlistentry>
1115
1116 <varlistentry id="sfdisk">
1117 <term><command>sfdisk</command></term>
1118 <listitem>
1119 <para>A disk partition table manipulator</para>
1120 <indexterm zone="ch-system-util-linux sfdisk">
1121 <primary sortas="b-sfdisk">sfdisk</primary>
1122 </indexterm>
1123 </listitem>
1124 </varlistentry>
1125
1126 <varlistentry id="sulogin">
1127 <term><command>sulogin</command></term>
1128 <listitem>
1129 <para>Allows <systemitem class="username">root</systemitem> to log in;
1130 it is normally invoked by <command>init</command> when the system goes
1131 into single user mode</para>
1132 <indexterm zone="ch-system-util-linux sulogin">
1133 <primary sortas="b-sulogin">sulogin</primary>
1134 </indexterm>
1135 </listitem>
1136 </varlistentry>
1137
1138 <varlistentry id="swaplabel">
1139 <term><command>swaplabel</command></term>
1140 <listitem>
[9bb4939]1141 <para>Makes changes to the swap area's UUID and label</para>
[fcc02767]1142 <indexterm zone="ch-system-util-linux swaplabel">
1143 <primary sortas="b-swaplabel">swaplabel</primary>
1144 </indexterm>
1145 </listitem>
1146 </varlistentry>
1147
1148 <varlistentry id="swapoff">
1149 <term><command>swapoff</command></term>
1150 <listitem>
1151 <para>Disables devices and files for paging and swapping</para>
1152 <indexterm zone="ch-system-util-linux swapoff">
1153 <primary sortas="b-swapoff">swapoff</primary>
1154 </indexterm>
1155 </listitem>
1156 </varlistentry>
1157
1158 <varlistentry id="swapon">
1159 <term><command>swapon</command></term>
1160 <listitem>
[9bb4939]1161 <para>Enables devices and files for paging and swapping, and
[fcc02767]1162 lists the devices and files currently in use</para>
1163 <indexterm zone="ch-system-util-linux swapon">
1164 <primary sortas="b-swapon">swapon</primary>
1165 </indexterm>
1166 </listitem>
1167 </varlistentry>
1168
1169 <varlistentry id="switch_root">
1170 <term><command>switch_root</command></term>
1171 <listitem>
1172 <para>Switches to another filesystem as the root of the mount tree</para>
1173 <indexterm zone="ch-system-util-linux switch_root">
1174 <primary sortas="b-switch_root">switch_root</primary>
1175 </indexterm>
1176 </listitem>
1177 </varlistentry>
1178
1179 <varlistentry id="taskset">
1180 <term><command>taskset</command></term>
1181 <listitem>
[9bb4939]1182 <para>Retrieves or sets a process's CPU affinity</para>
[fcc02767]1183 <indexterm zone="ch-system-util-linux taskset">
1184 <primary sortas="b-taskset">taskset</primary>
1185 </indexterm>
1186 </listitem>
1187 </varlistentry>
1188
[50c357d3]1189 <varlistentry id="uclampset">
1190 <term><command>uclampset</command></term>
1191 <listitem>
[9bb4939]1192 <para>Manipulates the utilization clamping attributes of the
[50c357d3]1193 system or a process</para>
1194 <indexterm zone="ch-system-util-linux uclampset">
1195 <primary sortas="b-uclampset">uclampset</primary>
1196 </indexterm>
1197 </listitem>
1198 </varlistentry>
1199
[fcc02767]1200 <varlistentry id="ul">
1201 <term><command>ul</command></term>
1202 <listitem>
1203 <para>A filter for translating underscores into escape sequences
1204 indicating underlining for the terminal in use</para>
1205 <indexterm zone="ch-system-util-linux ul">
1206 <primary sortas="b-ul">ul</primary>
1207 </indexterm>
1208 </listitem>
1209 </varlistentry>
1210
1211 <varlistentry id="umount">
1212 <term><command>umount</command></term>
1213 <listitem>
1214 <para>Disconnects a file system from the system's file tree</para>
1215 <indexterm zone="ch-system-util-linux umount">
1216 <primary sortas="b-umount">umount</primary>
1217 </indexterm>
1218 </listitem>
1219 </varlistentry>
1220
1221 <varlistentry id="uname26">
1222 <term><command>uname26</command></term>
1223 <listitem>
1224 <para>A symbolic link to setarch</para>
1225 <indexterm zone="ch-system-util-linux uname26">
1226 <primary sortas="b-uname26">uname26</primary>
1227 </indexterm>
1228 </listitem>
1229 </varlistentry>
1230
1231 <varlistentry id="unshare">
1232 <term><command>unshare</command></term>
1233 <listitem>
1234 <para>Runs a program with some namespaces unshared from parent</para>
1235 <indexterm zone="ch-system-util-linux unshare">
1236 <primary sortas="b-unshare">unshare</primary>
1237 </indexterm>
1238 </listitem>
1239 </varlistentry>
1240
1241 <varlistentry id="utmpdump">
1242 <term><command>utmpdump</command></term>
1243 <listitem>
[9bb4939]1244 <para>Displays the content of the given login file in a
[fcc02767]1245 user-friendly format</para>
1246 <indexterm zone="ch-system-util-linux utmpdump">
1247 <primary sortas="b-utmpdump">utmpdump</primary>
1248 </indexterm>
1249 </listitem>
1250 </varlistentry>
1251
1252 <varlistentry id="uuidd">
1253 <term><command>uuidd</command></term>
1254 <listitem>
1255 <para>A daemon used by the UUID library to generate time-based
1256 UUIDs in a secure and guaranteed-unique fashion</para>
1257 <indexterm zone="ch-system-util-linux uuidd">
1258 <primary sortas="b-uuidd">uuidd</primary>
1259 </indexterm>
1260 </listitem>
1261 </varlistentry>
1262
1263 <varlistentry id="uuidgen">
1264 <term><command>uuidgen</command></term>
1265 <listitem>
[9bb4939]1266 <para>Creates new UUIDs. Each new UUID is a random number likely to be
[fcc02767]1267 unique among all UUIDs created, on the local system and on other
[9bb4939]1268 systems, in the past and in the future, with extremely high
[e8f0a1b]1269 probability (2<superscript>128</superscript> UUIDs are
1270 possible)</para>
[fcc02767]1271 <indexterm zone="ch-system-util-linux uuidgen">
1272 <primary sortas="b-uuidgen">uuidgen</primary>
1273 </indexterm>
1274 </listitem>
1275 </varlistentry>
1276
1277 <varlistentry id="uuidparse">
1278 <term><command>uuidparse</command></term>
1279 <listitem>
[9bb4939]1280 <para>A utility to parse unique identifiers</para>
[fcc02767]1281 <indexterm zone="ch-system-util-linux uuidparse">
1282 <primary sortas="b-uuidparse">uuidparse</primary>
1283 </indexterm>
1284 </listitem>
1285 </varlistentry>
1286
1287 <varlistentry id="wall">
1288 <term><command>wall</command></term>
1289 <listitem>
1290 <para>Displays the contents of a file or, by default, its standard
1291 input, on the terminals of all currently logged in users</para>
1292 <indexterm zone="ch-system-util-linux wall">
1293 <primary sortas="b-wall">wall</primary>
1294 </indexterm>
1295 </listitem>
1296 </varlistentry>
1297
1298 <varlistentry id="wdctl">
1299 <term><command>wdctl</command></term>
1300 <listitem>
1301 <para>Shows hardware watchdog status</para>
1302 <indexterm zone="ch-system-util-linux wdctl">
1303 <primary sortas="b-wdctl">wdctl</primary>
1304 </indexterm>
1305 </listitem>
1306 </varlistentry>
1307
1308 <varlistentry id="whereis">
1309 <term><command>whereis</command></term>
1310 <listitem>
1311 <para>Reports the location of the binary, source, and man page
[9bb4939]1312 files for the given command</para>
[fcc02767]1313 <indexterm zone="ch-system-util-linux whereis">
1314 <primary sortas="b-whereis">whereis</primary>
1315 </indexterm>
1316 </listitem>
1317 </varlistentry>
1318
1319 <varlistentry id="wipefs">
1320 <term><command>wipefs</command></term>
1321 <listitem>
1322 <para>Wipes a filesystem signature from a device</para>
1323 <indexterm zone="ch-system-util-linux wipefs">
1324 <primary sortas="b-wipefs">wipefs</primary>
1325 </indexterm>
1326 </listitem>
1327 </varlistentry>
1328
1329 <varlistentry id="zramctl">
1330 <term><command>zramctl</command></term>
1331 <listitem>
[d672ab7]1332 <para>A program to set up and control zram (compressed ram disk)
[fcc02767]1333 devices</para>
1334 <indexterm zone="ch-system-util-linux zramctl">
1335 <primary sortas="b-zramctl">zramctl</primary>
1336 </indexterm>
1337 </listitem>
1338 </varlistentry>
1339
1340 <varlistentry id="libblkid">
1341 <term><filename class="libraryfile">libblkid</filename></term>
1342 <listitem>
1343 <para>Contains routines for device identification and token
1344 extraction</para>
1345 <indexterm zone="ch-system-util-linux libblkid">
1346 <primary sortas="c-libblkid">libblkid</primary>
1347 </indexterm>
1348 </listitem>
1349 </varlistentry>
1350
1351 <varlistentry id="libfdisk">
1352 <term><filename class="libraryfile">libfdisk</filename></term>
1353 <listitem>
1354 <para>Contains routines for manipulating partition tables</para>
1355 <indexterm zone="ch-system-util-linux libfdisk">
1356 <primary sortas="c-libfdisk">libfdisk</primary>
1357 </indexterm>
1358 </listitem>
1359 </varlistentry>
1360
1361 <varlistentry id="libmount">
1362 <term><filename class="libraryfile">libmount</filename></term>
1363 <listitem>
1364 <para>Contains routines for block device mounting and
1365 unmounting</para>
1366 <indexterm zone="ch-system-util-linux libmount">
1367 <primary sortas="c-libmount">libmount</primary>
1368 </indexterm>
1369 </listitem>
1370 </varlistentry>
1371
1372 <varlistentry id="libsmartcols">
1373 <term><filename class="libraryfile">libsmartcols</filename></term>
1374 <listitem>
1375 <para>Contains routines for aiding screen output in tabular form</para>
1376 <indexterm zone="ch-system-util-linux libsmartcols">
1377 <primary sortas="c-libsmartcols">libsmartcols</primary>
1378 </indexterm>
1379 </listitem>
1380 </varlistentry>
1381
1382 <varlistentry id="libuuid">
1383 <term><filename class="libraryfile">libuuid</filename></term>
1384 <listitem>
1385 <para>Contains routines for generating unique identifiers for objects
1386 that may be accessible beyond the local system</para>
1387 <indexterm zone="ch-system-util-linux libuuid">
1388 <primary sortas="c-libuuid">libuuid</primary>
1389 </indexterm>
1390 </listitem>
1391 </varlistentry>
1392
1393 </variablelist>
1394
1395 </sect2>
1396
1397</sect1>
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