source: chapter08/util-linux.xml@ 2590473

multilib
Last change on this file since 2590473 was 2590473, checked in by Thomas Trepl (Moody) <thomas@…>, 10 months ago

Automatic merge of trunk into multilib

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1<?xml version="1.0" encoding="ISO-8859-1"?>
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>
35 <seg>&util-linux-fin-sbu;</seg>
36 <seg>&util-linux-fin-du;</seg>
37 </seglistitem>
38 </segmentedlist>
39
40 </sect2>
41
42 <sect2 role="installation">
43 <title>Installation of Util-linux</title>
44
45 <para>Prepare Util-linux for compilation:</para>
46
47<screen revision="sysv"><userinput remap="configure">./configure ADJTIME_PATH=/var/lib/hwclock/adjtime \
48 --bindir=/usr/bin \
49 --libdir=/usr/lib \
50 --sbindir=/usr/sbin \
51 --docdir=/usr/share/doc/util-linux-&util-linux-version; \
52 --disable-chfn-chsh \
53 --disable-login \
54 --disable-nologin \
55 --disable-su \
56 --disable-setpriv \
57 --disable-runuser \
58 --disable-pylibmount \
59 --disable-static \
60 --without-python \
61 --without-systemd \
62 --without-systemdsystemunitdir \
63 runstatedir=/run</userinput></screen>
64
65<screen revision="systemd"><userinput remap="configure">./configure ADJTIME_PATH=/var/lib/hwclock/adjtime \
66 --bindir=/usr/bin \
67 --libdir=/usr/lib \
68 --sbindir=/usr/sbin \
69 --docdir=/usr/share/doc/util-linux-&util-linux-version; \
70 --disable-chfn-chsh \
71 --disable-login \
72 --disable-nologin \
73 --disable-su \
74 --disable-setpriv \
75 --disable-runuser \
76 --disable-pylibmount \
77 --disable-static \
78 --without-python \
79 runstatedir=/run</userinput></screen>
80
81 <para>The --disable and --without options prevent warnings about
82 building components that require packages not in LFS or are
83 inconsistent with programs installed by other packages.</para>
84
85 <para>Compile the package:</para>
86
87<screen><userinput remap="make">make</userinput></screen>
88
89 <para>If desired, run the test suite as a non-root user:</para>
90
91 <warning><para>Running the test suite as the
92 <systemitem class="username">root</systemitem> user can be harmful to
93 your system. To run it, the CONFIG_SCSI_DEBUG option for the kernel must
94 be available in the currently running system and must be built as a
95 module. Building it into the kernel will prevent booting. For complete
96 coverage, other BLFS packages must be installed. If desired, this test can
97 be run after rebooting into the completed LFS system and running:</para>
98
99<screen role="nodump"><userinput>bash tests/run.sh --srcdir=$PWD --builddir=$PWD</userinput></screen>
100 </warning>
101
102 <note><para>There is one test that fails in the chroot envronment and
103 causes the tests to hang forever. The problem does not occur outside
104 of the chroot envronment.
105 To work around the problem, delete the test:</para>
106
107 <screen><userinput remap="test">rm tests/ts/lsns/ioctl_ns</userinput></screen>
108 </note>
109
110<screen><userinput remap="test">chown -Rv tester .
111su tester -c "make -k check"</userinput></screen>
112
113 <para>Install the package:</para>
114
115<screen><userinput remap="install">make install</userinput></screen>
116<!--
117 <para>Finally, install the man pages:</para>
118
119<screen><userinput remap="install">tar -xf ../util-linux-man-pages-&util-linux-version;.tar.xz - -directory /usr/share/man - -strip-components=1</userinput></screen>
120-->
121 </sect2>
122
123 <!-- - - - - - - - - - -->
124 <!-- Multilib - 32bit -->
125 <!-- - - - - - - - - - -->
126
127 <sect2 arch="ml_32,ml_all" role="installation">
128 <title>Installation of Util-linux - 32-bit</title>
129
130 <para>Clean previous build:</para>
131
132<screen><userinput remap="pre">make distclean</userinput></screen>
133
134 <para>Move a tool out of the way which is optionally used by
135 configure but will report invalid pathes for multilib builds.</para>
136
137<screen><userinput remap="configure">mv /usr/bin/ncursesw6-config{,.tmp}</userinput></screen>
138
139 <para>Prepare Util-linux for compilation:</para>
140
141<screen revision="sysv"><userinput remap="configure">CC="gcc -m32" \
142./configure ADJTIME_PATH=/var/lib/hwclock/adjtime \
143 --host=i686-pc-linux-gnu \
144 --libdir=/usr/lib32 \
145 --docdir=/usr/share/doc/util-linux-&util-linux-version; \
146 --disable-chfn-chsh \
147 --disable-login \
148 --disable-nologin \
149 --disable-su \
150 --disable-setpriv \
151 --disable-runuser \
152 --disable-pylibmount \
153 --disable-static \
154 --without-python \
155 --without-systemd \
156 --without-systemdsystemunitdir</userinput></screen>
157
158<screen revision="systemd"><userinput remap="configure">CC="gcc -m32" \
159./configure ADJTIME_PATH=/var/lib/hwclock/adjtime \
160 --host=i686-pc-linux-gnu \
161 --libdir=/usr/lib32 \
162 --docdir=/usr/share/doc/util-linux-&util-linux-version; \
163 --disable-chfn-chsh \
164 --disable-login \
165 --disable-nologin \
166 --disable-su \
167 --disable-setpriv \
168 --disable-runuser \
169 --disable-pylibmount \
170 --disable-static \
171 --without-python</userinput></screen>
172
173 <para>Restore the tool previously moved away:</para>
174
175<screen><userinput remap="configure">mv /usr/bin/ncursesw6-config{.tmp,}</userinput></screen>
176
177 <para>Compile the package:</para>
178
179<screen><userinput remap="make">make</userinput></screen>
180
181 <para>Install the package:</para>
182
183<screen><userinput remap="install">make DESTDIR=$PWD/DESTDIR install
184cp -Rv DESTDIR/usr/lib32/* /usr/lib32
185rm -rf DESTDIR</userinput></screen>
186
187 </sect2><!-- m32 -->
188
189 <!-- - - - - - - - - - -->
190 <!-- Multilib - x32bit -->
191 <!-- - - - - - - - - - -->
192
193 <sect2 arch="ml_x32,ml_all" role="installation">
194 <title>Installation of Util-linux - x32-bit</title>
195
196 <para>Clean previous build:</para>
197
198<screen><userinput remap="pre">make distclean</userinput></screen>
199
200 <para>Move a tool out of the way which is optionally used by
201 configure but will report invalid pathes for multilib builds.</para>
202
203<screen><userinput remap="configure">mv /usr/bin/ncursesw6-config{,.tmp}</userinput></screen>
204
205 <para>Prepare Util-linux for compilation:</para>
206
207<screen revision="sysv"><userinput remap="configure">CC="gcc -mx32" \
208./configure ADJTIME_PATH=/var/lib/hwclock/adjtime \
209 --host=x86_64-pc-linux-gnux32 \
210 --libdir=/usr/libx32 \
211 --docdir=/usr/share/doc/util-linux-&util-linux-version; \
212 --disable-chfn-chsh \
213 --disable-login \
214 --disable-nologin \
215 --disable-su \
216 --disable-setpriv \
217 --disable-runuser \
218 --disable-pylibmount \
219 --disable-static \
220 --without-python \
221 --without-systemd \
222 --without-systemdsystemunitdir</userinput></screen>
223
224<screen revision="systemd"><userinput remap="configure">CC="gcc -mx32" \
225./configure ADJTIME_PATH=/var/lib/hwclock/adjtime \
226 --host=x86_64-pc-linux-gnux32 \
227 --libdir=/usr/libx32 \
228 --docdir=/usr/share/doc/util-linux-&util-linux-version; \
229 --disable-chfn-chsh \
230 --disable-login \
231 --disable-nologin \
232 --disable-su \
233 --disable-setpriv \
234 --disable-runuser \
235 --disable-pylibmount \
236 --disable-static \
237 --without-python</userinput></screen>
238
239 <para>Restore the tool previously moved away:</para>
240
241<screen><userinput remap="configure">mv /usr/bin/ncursesw6-config{.tmp,}</userinput></screen>
242
243 <para>Compile the package:</para>
244
245<screen><userinput remap="make">make</userinput></screen>
246
247 <para>Install the package:</para>
248
249<screen><userinput remap="install">make DESTDIR=$PWD/DESTDIR install
250cp -Rv DESTDIR/usr/libx32/* /usr/libx32
251rm -rf DESTDIR</userinput></screen>
252
253 </sect2><!-- mx32 -->
254
255 <sect2 id="contents-utillinux" role="content">
256 <title>Contents of Util-linux</title>
257
258 <segmentedlist>
259 <segtitle>Installed programs</segtitle>
260 <segtitle>Installed libraries</segtitle>
261 <segtitle>Installed directories</segtitle>
262
263 <seglistitem>
264 <seg>addpart, agetty, blkdiscard, blkid, blkzone, blockdev, cal, cfdisk, chcpu,
265 chmem, choom, chrt, col, colcrt, colrm, column, ctrlaltdel, delpart, dmesg,
266 eject, fallocate, fdisk, fincore, findfs, findmnt, flock, fsck,
267 fsck.cramfs, fsck.minix, fsfreeze, fstrim, getopt, hexdump, hwclock,
268 i386, ionice, ipcmk, ipcrm, ipcs, irqtop, isosize, kill, last, lastb (link to
269 last), ldattach, linux32, linux64, logger, look, losetup, lsblk, lscpu,
270 lsipc, lsirq, lslocks, lslogins, lsmem, lsns, mcookie, mesg, mkfs, mkfs.bfs, mkfs.cramfs, mkfs.minix, mkswap,
271 more, mount, mountpoint, namei, nsenter, partx, pivot_root, prlimit,
272 readprofile, rename, renice, resizepart, rev, rfkill, rtcwake, script,
273 scriptlive, scriptreplay, setarch, setsid, setterm, sfdisk, sulogin, swaplabel,
274 swapoff (link to swapon), swapon, switch_root, taskset, uclampset, ul,
275 umount, uname26, unshare, utmpdump, uuidd, uuidgen, uuidparse, wall, wdctl, whereis,
276 wipefs, x86_64, and zramctl</seg>
277 <seg>libblkid.so, libfdisk.so, libmount.so,
278 libsmartcols.so, and libuuid.so</seg>
279 <seg>/usr/include/blkid,
280 /usr/include/libfdisk,
281 /usr/include/libmount,
282 /usr/include/libsmartcols,
283 /usr/include/uuid,
284 /usr/share/doc/util-linux-&util-linux-version;,
285 and /var/lib/hwclock</seg>
286 </seglistitem>
287 </segmentedlist>
288
289 <variablelist>
290 <bridgehead renderas="sect3">Short Descriptions</bridgehead>
291 <?dbfo list-presentation="list"?>
292 <?dbhtml list-presentation="table"?>
293
294 <varlistentry id="addpart">
295 <term><command>addpart</command></term>
296 <listitem>
297 <para>Informs the Linux kernel of new partitions</para>
298 <indexterm zone="ch-system-util-linux addpart">
299 <primary sortas="b-addpart">addpart</primary>
300 </indexterm>
301 </listitem>
302 </varlistentry>
303
304 <varlistentry id="agetty">
305 <term><command>agetty</command></term>
306 <listitem>
307 <para>Opens a tty port, prompts for a login name,
308 and then invokes the <command>login</command> program</para>
309 <indexterm zone="ch-system-util-linux agetty">
310 <primary sortas="b-agetty">agetty</primary>
311 </indexterm>
312 </listitem>
313 </varlistentry>
314
315 <varlistentry id="blkdiscard">
316 <term><command>blkdiscard</command></term>
317 <listitem>
318 <para>Discards sectors on a device</para>
319 <indexterm zone="ch-system-util-linux blkdiscard">
320 <primary sortas="b-blkdiscard">blkdiscard</primary>
321 </indexterm>
322 </listitem>
323 </varlistentry>
324
325 <varlistentry id="blkid">
326 <term><command>blkid</command></term>
327 <listitem>
328 <para>A command line utility to locate and print block device
329 attributes</para>
330 <indexterm zone="ch-system-util-linux blkid">
331 <primary sortas="b-blkid">blkid</primary>
332 </indexterm>
333 </listitem>
334 </varlistentry>
335
336 <varlistentry id="blkzone">
337 <term><command>blkzone</command></term>
338 <listitem>
339 <para>Runs zone command on the given block device</para>
340 <indexterm zone="ch-system-util-linux blkzone">
341 <primary sortas="b-blkzone">blkzone</primary>
342 </indexterm>
343 </listitem>
344 </varlistentry>
345
346 <varlistentry id="blockdev">
347 <term><command>blockdev</command></term>
348 <listitem>
349 <para>Allows users to call block device ioctls from the command
350 line</para>
351 <indexterm zone="ch-system-util-linux blockdev">
352 <primary sortas="b-blockdev">blockdev</primary>
353 </indexterm>
354 </listitem>
355 </varlistentry>
356
357 <varlistentry id="cal">
358 <term><command>cal</command></term>
359 <listitem>
360 <para>Displays a simple calendar</para>
361 <indexterm zone="ch-system-util-linux cal">
362 <primary sortas="b-cal">cal</primary>
363 </indexterm>
364 </listitem>
365 </varlistentry>
366
367 <varlistentry id="cfdisk">
368 <term><command>cfdisk</command></term>
369 <listitem>
370 <para>Manipulates the partition table of the given device</para>
371 <indexterm zone="ch-system-util-linux cfdisk">
372 <primary sortas="b-cfdisk">cfdisk</primary>
373 </indexterm>
374 </listitem>
375 </varlistentry>
376
377 <varlistentry id="chcpu">
378 <term><command>chcpu</command></term>
379 <listitem>
380 <para>Modifies the state of CPUs</para>
381 <indexterm zone="ch-system-util-linux chcpu">
382 <primary sortas="b-chcpu">chcpu</primary>
383 </indexterm>
384 </listitem>
385 </varlistentry>
386
387 <varlistentry id="chmem">
388 <term><command>chmem</command></term>
389 <listitem>
390 <para>Configures memory</para>
391 <indexterm zone="ch-system-util-linux chmem">
392 <primary sortas="b-chmem">chmem</primary>
393 </indexterm>
394 </listitem>
395 </varlistentry>
396
397 <varlistentry id="choom">
398 <term><command>choom</command></term>
399 <listitem>
400 <para>Displays and adjusts OOM-killer score</para>
401 <indexterm zone="ch-system-util-linux choom">
402 <primary sortas="b-choom">choom</primary>
403 </indexterm>
404 </listitem>
405 </varlistentry>
406
407 <varlistentry id="chrt">
408 <term><command>chrt</command></term>
409 <listitem>
410 <para>Manipulates real-time attributes of a process</para>
411 <indexterm zone="ch-system-util-linux chrt">
412 <primary sortas="b-chrt">chrt</primary>
413 </indexterm>
414 </listitem>
415 </varlistentry>
416
417 <varlistentry id="col">
418 <term><command>col</command></term>
419 <listitem>
420 <para>Filters out reverse line feeds</para>
421 <indexterm zone="ch-system-util-linux col">
422 <primary sortas="b-col">col</primary>
423 </indexterm>
424 </listitem>
425 </varlistentry>
426
427 <varlistentry id="colcrt">
428 <term><command>colcrt</command></term>
429 <listitem>
430 <para>Filters <command>nroff</command> output for terminals
431 that lack some capabilities, such as overstriking and half-lines</para>
432 <indexterm zone="ch-system-util-linux colcrt">
433 <primary sortas="b-colcrt">colcrt</primary>
434 </indexterm>
435 </listitem>
436 </varlistentry>
437
438 <varlistentry id="colrm">
439 <term><command>colrm</command></term>
440 <listitem>
441 <para>Filters out the given columns</para>
442 <indexterm zone="ch-system-util-linux colrm">
443 <primary sortas="b-colrm">colrm</primary>
444 </indexterm>
445 </listitem>
446 </varlistentry>
447
448 <varlistentry id="column">
449 <term><command>column</command></term>
450 <listitem>
451 <para>Formats a given file into multiple columns</para>
452 <indexterm zone="ch-system-util-linux column">
453 <primary sortas="b-column">column</primary>
454 </indexterm>
455 </listitem>
456 </varlistentry>
457
458 <varlistentry id="ctrlaltdel">
459 <term><command>ctrlaltdel</command></term>
460 <listitem>
461 <para>Sets the function of the Ctrl+Alt+Del key combination to a
462 hard or a soft reset</para>
463 <indexterm zone="ch-system-util-linux ctrlaltdel">
464 <primary sortas="b-ctrlaltdel">ctrlaltdel</primary>
465 </indexterm>
466 </listitem>
467 </varlistentry>
468
469 <varlistentry id="delpart">
470 <term><command>delpart</command></term>
471 <listitem>
472 <para>Asks the Linux kernel to remove a partition</para>
473 <indexterm zone="ch-system-util-linux delpart">
474 <primary sortas="b-delpart">delpart</primary>
475 </indexterm>
476 </listitem>
477 </varlistentry>
478
479 <varlistentry id="dmesg">
480 <term><command>dmesg</command></term>
481 <listitem>
482 <para>Dumps the kernel boot messages</para>
483 <indexterm zone="ch-system-util-linux dmesg">
484 <primary sortas="b-dmesg">dmesg</primary>
485 </indexterm>
486 </listitem>
487 </varlistentry>
488
489 <varlistentry id="eject">
490 <term><command>eject</command></term>
491 <listitem>
492 <para>Ejects removable media</para>
493 <indexterm zone="ch-system-util-linux eject">
494 <primary sortas="b-eject">eject</primary>
495 </indexterm>
496 </listitem>
497 </varlistentry>
498
499 <varlistentry id="fallocate">
500 <term><command>fallocate</command></term>
501 <listitem>
502 <para>Preallocates space to a file</para>
503 <indexterm zone="ch-system-util-linux fallocate">
504 <primary sortas="b-fallocate">fallocate</primary>
505 </indexterm>
506 </listitem>
507 </varlistentry>
508
509 <varlistentry id="fdisk">
510 <term><command>fdisk</command></term>
511 <listitem>
512 <para>Manipulates the partition table of the given device</para>
513 <indexterm zone="ch-system-util-linux fdisk">
514 <primary sortas="b-fdisk">fdisk</primary>
515 </indexterm>
516 </listitem>
517 </varlistentry>
518
519 <varlistentry id="fincore">
520 <term><command>fincore</command></term>
521 <listitem>
522 <para>Counts pages of file contents in core</para>
523 <indexterm zone="ch-system-util-linux fincore">
524 <primary sortas="b-fincore">fincore</primary>
525 </indexterm>
526 </listitem>
527 </varlistentry>
528
529 <varlistentry id="findfs">
530 <term><command>findfs</command></term>
531 <listitem>
532 <para>Finds a file system by label or Universally Unique Identifier
533 (UUID)</para>
534 <indexterm zone="ch-system-util-linux findfs">
535 <primary sortas="b-findfs">findfs</primary>
536 </indexterm>
537 </listitem>
538 </varlistentry>
539
540 <varlistentry id="findmnt">
541 <term><command>findmnt</command></term>
542 <listitem>
543 <para>Is a command line interface to the libmount library
544 for work with mountinfo, fstab and mtab files</para>
545 <indexterm zone="ch-system-util-linux findmnt">
546 <primary sortas="b-findmnt">findmnt</primary>
547 </indexterm>
548 </listitem>
549 </varlistentry>
550
551 <varlistentry id="flock">
552 <term><command>flock</command></term>
553 <listitem>
554 <para>Acquires a file lock and then executes a command with the lock
555 held</para>
556 <indexterm zone="ch-system-util-linux flock">
557 <primary sortas="b-flock">flock</primary>
558 </indexterm>
559 </listitem>
560 </varlistentry>
561
562 <varlistentry id="fsck">
563 <term><command>fsck</command></term>
564 <listitem>
565 <para>Is used to check, and optionally repair, file systems</para>
566 <indexterm zone="ch-system-util-linux fsck">
567 <primary sortas="b-fsck">fsck</primary>
568 </indexterm>
569 </listitem>
570 </varlistentry>
571
572 <varlistentry id="fsck.cramfs">
573 <term><command>fsck.cramfs</command></term>
574 <listitem>
575 <para>Performs a consistency check on the Cramfs file system on the
576 given device</para>
577 <indexterm zone="ch-system-util-linux fsck.cramfs">
578 <primary sortas="b-fsck.cramfs">fsck.cramfs</primary>
579 </indexterm>
580 </listitem>
581 </varlistentry>
582
583 <varlistentry id="fsck.minix">
584 <term><command>fsck.minix</command></term>
585 <listitem>
586 <para>Performs a consistency check on the Minix file system on the
587 given device</para>
588 <indexterm zone="ch-system-util-linux fsck.minix">
589 <primary sortas="b-fsck.minix">fsck.minix</primary>
590 </indexterm>
591 </listitem>
592 </varlistentry>
593
594 <varlistentry id="fsfreeze">
595 <term><command>fsfreeze</command></term>
596 <listitem>
597 <para>Is a very simple wrapper around FIFREEZE/FITHAW ioctl
598 kernel driver operations</para>
599 <indexterm zone="ch-system-util-linux fsfreeze">
600 <primary sortas="b-fsfreeze">fsfreeze</primary>
601 </indexterm>
602 </listitem>
603 </varlistentry>
604
605 <varlistentry id="fstrim">
606 <term><command>fstrim</command></term>
607 <listitem>
608 <para>Discards unused blocks on a mounted filesystem</para>
609 <indexterm zone="ch-system-util-linux fstrim">
610 <primary sortas="b-fstrim">fstrim</primary>
611 </indexterm>
612 </listitem>
613 </varlistentry>
614
615 <varlistentry id="getopt">
616 <term><command>getopt</command></term>
617 <listitem>
618 <para>Parses options in the given command line</para>
619 <indexterm zone="ch-system-util-linux getopt">
620 <primary sortas="b-getopt">getopt</primary>
621 </indexterm>
622 </listitem>
623 </varlistentry>
624
625 <varlistentry id="hexdump">
626 <term><command>hexdump</command></term>
627 <listitem>
628 <para>Dumps the given file in hexadecimal or in another given
629 format</para>
630 <indexterm zone="ch-system-util-linux hexdump">
631 <primary sortas="b-hexdump">hexdump</primary>
632 </indexterm>
633 </listitem>
634 </varlistentry>
635
636 <varlistentry id="hwclock">
637 <term><command>hwclock</command></term>
638 <listitem>
639 <para>Reads or sets the system's hardware clock, also called
640 the Real-Time Clock (RTC) or Basic Input-Output System (BIOS)
641 clock</para>
642 <indexterm zone="ch-system-util-linux hwclock">
643 <primary sortas="b-hwclock">hwclock</primary>
644 </indexterm>
645 </listitem>
646 </varlistentry>
647
648 <varlistentry id="i386">
649 <term><command>i386</command></term>
650 <listitem>
651 <para>A symbolic link to setarch</para>
652 <indexterm zone="ch-system-util-linux i386">
653 <primary sortas="b-i386">i386</primary>
654 </indexterm>
655 </listitem>
656 </varlistentry>
657
658 <varlistentry id="ionice">
659 <term><command>ionice</command></term>
660 <listitem>
661 <para>Gets or sets the io scheduling class and priority for a program</para>
662 <indexterm zone="ch-system-util-linux ionice">
663 <primary sortas="b-ionice">ionice</primary>
664 </indexterm>
665 </listitem>
666 </varlistentry>
667
668 <varlistentry id="ipcmk">
669 <term><command>ipcmk</command></term>
670 <listitem>
671 <para>Creates various IPC resources</para>
672 <indexterm zone="ch-system-util-linux ipcmk">
673 <primary sortas="b-ipcmk">ipcmk</primary>
674 </indexterm>
675 </listitem>
676 </varlistentry>
677
678 <varlistentry id="ipcrm">
679 <term><command>ipcrm</command></term>
680 <listitem>
681 <para>Removes the given Inter-Process Communication (IPC) resource</para>
682 <indexterm zone="ch-system-util-linux ipcrm">
683 <primary sortas="b-ipcrm">ipcrm</primary>
684 </indexterm>
685 </listitem>
686 </varlistentry>
687
688 <varlistentry id="ipcs">
689 <term><command>ipcs</command></term>
690 <listitem>
691 <para>Provides IPC status information</para>
692 <indexterm zone="ch-system-util-linux ipcs">
693 <primary sortas="b-ipcs">ipcs</primary>
694 </indexterm>
695 </listitem>
696 </varlistentry>
697
698 <varlistentry id="irqtop">
699 <term><command>irqtop</command></term>
700 <listitem>
701 <para>Displays kernel interrupt counter information in
702 <filename>top(1)</filename> style view</para>
703 <indexterm zone="ch-system-util-linux irqtop">
704 <primary sortas="b-irqtop">irqtop</primary>
705 </indexterm>
706 </listitem>
707 </varlistentry>
708
709 <varlistentry id="isosize">
710 <term><command>isosize</command></term>
711 <listitem>
712 <para>Reports the size of an iso9660 file system</para>
713 <indexterm zone="ch-system-util-linux isosize">
714 <primary sortas="b-isosize">isosize</primary>
715 </indexterm>
716 </listitem>
717 </varlistentry>
718
719 <varlistentry id="kill">
720 <term><command>kill</command></term>
721 <listitem>
722 <para>Sends signals to processes</para>
723 <indexterm zone="ch-system-util-linux kill">
724 <primary sortas="b-kill">kill</primary>
725 </indexterm>
726 </listitem>
727 </varlistentry>
728
729 <varlistentry id="last">
730 <term><command>last</command></term>
731 <listitem>
732 <para>Shows which users last logged in (and out), searching back
733 through the <filename>/var/log/wtmp</filename> file; it also shows
734 system boots, shutdowns, and run-level changes</para>
735 <indexterm zone="ch-system-util-linux last">
736 <primary sortas="b-last">last</primary>
737 </indexterm>
738 </listitem>
739 </varlistentry>
740
741 <varlistentry id="lastb">
742 <term><command>lastb</command></term>
743 <listitem>
744 <para>Shows the failed login attempts, as logged in
745 <filename>/var/log/btmp</filename></para>
746 <indexterm zone="ch-system-util-linux lastb">
747 <primary sortas="b-lastb">lastb</primary>
748 </indexterm>
749 </listitem>
750 </varlistentry>
751
752 <varlistentry id="ldattach">
753 <term><command>ldattach</command></term>
754 <listitem>
755 <para>Attaches a line discipline to a serial line</para>
756 <indexterm zone="ch-system-util-linux ldattach">
757 <primary sortas="b-ldattach">ldattach</primary>
758 </indexterm>
759 </listitem>
760 </varlistentry>
761
762 <varlistentry id="linux32">
763 <term><command>linux32</command></term>
764 <listitem>
765 <para>A symbolic link to setarch</para>
766 <indexterm zone="ch-system-util-linux linux32">
767 <primary sortas="b-linux32">linux32</primary>
768 </indexterm>
769 </listitem>
770 </varlistentry>
771
772 <varlistentry id="linux64">
773 <term><command>linux64</command></term>
774 <listitem>
775 <para>A symbolic link to setarch</para>
776 <indexterm zone="ch-system-util-linux linux64">
777 <primary sortas="b-linux64">linux64</primary>
778 </indexterm>
779 </listitem>
780 </varlistentry>
781
782 <varlistentry id="logger">
783 <term><command>logger</command></term>
784 <listitem>
785 <para>Enters the given message into the system log</para>
786 <indexterm zone="ch-system-util-linux logger">
787 <primary sortas="b-logger">logger</primary>
788 </indexterm>
789 </listitem>
790 </varlistentry>
791
792 <varlistentry id="look">
793 <term><command>look</command></term>
794 <listitem>
795 <para>Displays lines that begin with the given string</para>
796 <indexterm zone="ch-system-util-linux look">
797 <primary sortas="b-look">look</primary>
798 </indexterm>
799 </listitem>
800 </varlistentry>
801
802 <varlistentry id="losetup">
803 <term><command>losetup</command></term>
804 <listitem>
805 <para>Sets up and controls loop devices</para>
806 <indexterm zone="ch-system-util-linux losetup">
807 <primary sortas="b-losetup">losetup</primary>
808 </indexterm>
809 </listitem>
810 </varlistentry>
811
812 <varlistentry id="lsblk">
813 <term><command>lsblk</command></term>
814 <listitem>
815 <para>Lists information about all or selected block devices in
816 a tree-like format</para>
817 <indexterm zone="ch-system-util-linux lsblk">
818 <primary sortas="b-lsblk">lsblk</primary>
819 </indexterm>
820 </listitem>
821 </varlistentry>
822
823 <varlistentry id="lscpu">
824 <term><command>lscpu</command></term>
825 <listitem>
826 <para>Prints CPU architecture information</para>
827 <indexterm zone="ch-system-util-linux lscpu">
828 <primary sortas="b-lscpu">lscpu</primary>
829 </indexterm>
830 </listitem>
831 </varlistentry>
832
833 <varlistentry id="lsipc">
834 <term><command>lsipc</command></term>
835 <listitem>
836 <para>Prints information on IPC facilities currently employed
837 in the system</para>
838 <indexterm zone="ch-system-util-linux lsipc">
839 <primary sortas="b-lsipc">lsipc</primary>
840 </indexterm>
841 </listitem>
842 </varlistentry>
843
844 <varlistentry id="lsirq">
845 <term><command>lsirq</command></term>
846 <listitem>
847 <para>Displays kernel interrupt counter information</para>
848 <indexterm zone="ch-system-util-linux lsirq">
849 <primary sortas="b-lsirq">lsirq</primary>
850 </indexterm>
851 </listitem>
852 </varlistentry>
853
854 <varlistentry id="lslocks">
855 <term><command>lslocks</command></term>
856 <listitem>
857 <para>Lists local system locks</para>
858 <indexterm zone="ch-system-util-linux lslocks">
859 <primary sortas="b-lslocks">lslocks</primary>
860 </indexterm>
861 </listitem>
862 </varlistentry>
863
864 <varlistentry id="lslogins">
865 <term><command>lslogins</command></term>
866 <listitem>
867 <para>Lists information about users, groups and system accounts</para>
868 <indexterm zone="ch-system-util-linux lslogins">
869 <primary sortas="b-lslogins">lslogins</primary>
870 </indexterm>
871 </listitem>
872 </varlistentry>
873
874 <varlistentry id="lsmem">
875 <term><command>lsmem</command></term>
876 <listitem>
877 <para>Lists the ranges of available memory with their online
878 status</para>
879 <indexterm zone="ch-system-util-linux lsmem">
880 <primary sortas="b-lsmem">lsmem</primary>
881 </indexterm>
882 </listitem>
883 </varlistentry>
884
885 <varlistentry id="lsns">
886 <term><command>lsns</command></term>
887 <listitem>
888 <para>Lists namespaces</para>
889 <indexterm zone="ch-system-util-linux lsns">
890 <primary sortas="b-lsns">lsns</primary>
891 </indexterm>
892 </listitem>
893 </varlistentry>
894
895 <varlistentry id="mcookie">
896 <term><command>mcookie</command></term>
897 <listitem>
898 <para>Generates magic cookies (128-bit random hexadecimal numbers) for
899 <command>xauth</command></para>
900 <indexterm zone="ch-system-util-linux mcookie">
901 <primary sortas="b-mcookie">mcookie</primary>
902 </indexterm>
903 </listitem>
904 </varlistentry>
905
906 <varlistentry id="mesg">
907 <term><command>mesg</command></term>
908 <listitem>
909 <para>Controls whether other users can send messages to the current
910 user's terminal</para>
911 <indexterm zone="ch-system-util-linux mesg">
912 <primary sortas="b-mesg">mesg</primary>
913 </indexterm>
914 </listitem>
915 </varlistentry>
916
917 <varlistentry id="mkfs">
918 <term><command>mkfs</command></term>
919 <listitem>
920 <para>Builds a file system on a device (usually a hard disk
921 partition)</para>
922 <indexterm zone="ch-system-util-linux mkfs">
923 <primary sortas="b-mkfs">mkfs</primary>
924 </indexterm>
925 </listitem>
926 </varlistentry>
927
928 <varlistentry id="mkfs.bfs">
929 <term><command>mkfs.bfs</command></term>
930 <listitem>
931 <para>Creates a Santa Cruz Operations (SCO) bfs file system</para>
932 <indexterm zone="ch-system-util-linux mkfs.bfs">
933 <primary sortas="b-mkfs.bfs">mkfs.bfs</primary>
934 </indexterm>
935 </listitem>
936 </varlistentry>
937
938 <varlistentry id="mkfs.cramfs">
939 <term><command>mkfs.cramfs</command></term>
940 <listitem>
941 <para>Creates a cramfs file system</para>
942 <indexterm zone="ch-system-util-linux mkfs.cramfs">
943 <primary sortas="b-mkfs.cramfs">mkfs.cramfs</primary>
944 </indexterm>
945 </listitem>
946 </varlistentry>
947
948 <varlistentry id="mkfs.minix">
949 <term><command>mkfs.minix</command></term>
950 <listitem>
951 <para>Creates a Minix file system</para>
952 <indexterm zone="ch-system-util-linux mkfs.minix">
953 <primary sortas="b-mkfs.minix">mkfs.minix</primary>
954 </indexterm>
955 </listitem>
956 </varlistentry>
957
958 <varlistentry id="mkswap">
959 <term><command>mkswap</command></term>
960 <listitem>
961 <para>Initializes the given device or file to be used as a swap
962 area</para>
963 <indexterm zone="ch-system-util-linux mkswap">
964 <primary sortas="b-mkswap">mkswap</primary>
965 </indexterm>
966 </listitem>
967 </varlistentry>
968
969 <varlistentry id="more">
970 <term><command>more</command></term>
971 <listitem>
972 <para>A filter for paging through text one screen at a time</para>
973 <indexterm zone="ch-system-util-linux more">
974 <primary sortas="b-more">more</primary>
975 </indexterm>
976 </listitem>
977 </varlistentry>
978
979 <varlistentry id="mount">
980 <term><command>mount</command></term>
981 <listitem>
982 <para>Attaches the file system on the given device to a specified
983 directory in the file-system tree</para>
984 <indexterm zone="ch-system-util-linux mount">
985 <primary sortas="b-mount">mount</primary>
986 </indexterm>
987 </listitem>
988 </varlistentry>
989
990 <varlistentry id="mountpoint">
991 <term><command>mountpoint</command></term>
992 <listitem>
993 <para>Checks if the directory is a mountpoint</para>
994 <indexterm zone="ch-system-util-linux mountpoint">
995 <primary sortas="b-mountpoint">mountpoint</primary>
996 </indexterm>
997 </listitem>
998 </varlistentry>
999
1000 <varlistentry id="namei">
1001 <term><command>namei</command></term>
1002 <listitem>
1003 <para>Shows the symbolic links in the given pathnames</para>
1004 <indexterm zone="ch-system-util-linux namei">
1005 <primary sortas="b-namei">namei</primary>
1006 </indexterm>
1007 </listitem>
1008 </varlistentry>
1009
1010 <varlistentry id="nsenter">
1011 <term><command>nsenter</command></term>
1012 <listitem>
1013 <para>Runs a program with namespaces of other processes</para>
1014 <indexterm zone="ch-system-util-linux nsenter">
1015 <primary sortas="b-nsenter">nsenter</primary>
1016 </indexterm>
1017 </listitem>
1018 </varlistentry>
1019
1020 <varlistentry id="partx">
1021 <term><command>partx</command></term>
1022 <listitem>
1023 <para>Tells the kernel about the presence and numbering of on-disk
1024 partitions</para>
1025 <indexterm zone="ch-system-util-linux partx">
1026 <primary sortas="b-partx">partx</primary>
1027 </indexterm>
1028 </listitem>
1029 </varlistentry>
1030
1031 <varlistentry id="pivot_root">
1032 <term><command>pivot_root</command></term>
1033 <listitem>
1034 <para>Makes the given file system the new root file system of the
1035 current process</para>
1036 <indexterm zone="ch-system-util-linux pivot_root">
1037 <primary sortas="b-pivot_root">pivot_root</primary>
1038 </indexterm>
1039 </listitem>
1040 </varlistentry>
1041
1042 <varlistentry id="prlimit">
1043 <term><command>prlimit</command></term>
1044 <listitem>
1045 <para>Get and set a process' resource limits</para>
1046 <indexterm zone="ch-system-util-linux prlimit">
1047 <primary sortas="b-prlimit">prlimit</primary>
1048 </indexterm>
1049 </listitem>
1050 </varlistentry>
1051
1052 <varlistentry id="readprofile">
1053 <term><command>readprofile</command></term>
1054 <listitem>
1055 <para>Reads kernel profiling information</para>
1056 <indexterm zone="ch-system-util-linux readprofile">
1057 <primary sortas="b-readprofile">readprofile</primary>
1058 </indexterm>
1059 </listitem>
1060 </varlistentry>
1061
1062 <varlistentry id="rename">
1063 <term><command>rename</command></term>
1064 <listitem>
1065 <para>Renames the given files, replacing a given string with
1066 another</para>
1067 <indexterm zone="ch-system-util-linux rename">
1068 <primary sortas="b-rename">rename</primary>
1069 </indexterm>
1070 </listitem>
1071 </varlistentry>
1072
1073 <varlistentry id="renice">
1074 <term><command>renice</command></term>
1075 <listitem>
1076 <para>Alters the priority of running processes</para>
1077 <indexterm zone="ch-system-util-linux renice">
1078 <primary sortas="b-renice">renice</primary>
1079 </indexterm>
1080 </listitem>
1081 </varlistentry>
1082
1083 <varlistentry id="resizepart">
1084 <term><command>resizepart</command></term>
1085 <listitem>
1086 <para>Asks the Linux kernel to resize a partition</para>
1087 <indexterm zone="ch-system-util-linux resizepart">
1088 <primary sortas="b-resizepart">resizepart</primary>
1089 </indexterm>
1090 </listitem>
1091 </varlistentry>
1092
1093 <varlistentry id="rev">
1094 <term><command>rev</command></term>
1095 <listitem>
1096 <para>Reverses the lines of a given file</para>
1097 <indexterm zone="ch-system-util-linux rev">
1098 <primary sortas="b-rev">rev</primary>
1099 </indexterm>
1100 </listitem>
1101 </varlistentry>
1102
1103 <varlistentry id="rkfill">
1104 <term><command>rkfill</command></term>
1105 <listitem>
1106 <para>Tool for enabling and disabling wireless devices</para>
1107 <indexterm zone="ch-system-util-linux rkfill">
1108 <primary sortas="b-rkfill">rkfill</primary>
1109 </indexterm>
1110 </listitem>
1111 </varlistentry>
1112
1113 <varlistentry id="rtcwake">
1114 <term><command>rtcwake</command></term>
1115 <listitem>
1116 <para>Used to enter a system sleep state until specified wakeup
1117 time</para>
1118 <indexterm zone="ch-system-util-linux rtcwake">
1119 <primary sortas="b-rtcwake">rtcwake</primary>
1120 </indexterm>
1121 </listitem>
1122 </varlistentry>
1123
1124 <varlistentry id="script">
1125 <term><command>script</command></term>
1126 <listitem>
1127 <para>Makes a typescript of a terminal session</para>
1128 <indexterm zone="ch-system-util-linux script">
1129 <primary sortas="b-script">script</primary>
1130 </indexterm>
1131 </listitem>
1132 </varlistentry>
1133
1134 <varlistentry id="scriptlive">
1135 <term><command>scriptlive</command></term>
1136 <listitem>
1137 <para>Re-run session typescripts using timing information</para>
1138 <indexterm zone="ch-system-util-linux scriptlive">
1139 <primary sortas="b-scriptlive">scriptlive</primary>
1140 </indexterm>
1141 </listitem>
1142 </varlistentry>
1143
1144 <varlistentry id="scriptreplay">
1145 <term><command>scriptreplay</command></term>
1146 <listitem>
1147 <para>Plays back typescripts using timing information</para>
1148 <indexterm zone="ch-system-util-linux scriptreplay">
1149 <primary sortas="b-scriptreplay">scriptreplay</primary>
1150 </indexterm>
1151 </listitem>
1152 </varlistentry>
1153
1154 <varlistentry id="setarch">
1155 <term><command>setarch</command></term>
1156 <listitem>
1157 <para>Changes reported architecture in a new program environment and
1158 sets personality flags</para>
1159 <indexterm zone="ch-system-util-linux setarch">
1160 <primary sortas="b-setarch">setarch</primary>
1161 </indexterm>
1162 </listitem>
1163 </varlistentry>
1164
1165 <varlistentry id="setsid">
1166 <term><command>setsid</command></term>
1167 <listitem>
1168 <para>Runs the given program in a new session</para>
1169 <indexterm zone="ch-system-util-linux setsid">
1170 <primary sortas="b-setsid">setsid</primary>
1171 </indexterm>
1172 </listitem>
1173 </varlistentry>
1174
1175 <varlistentry id="setterm">
1176 <term><command>setterm</command></term>
1177 <listitem>
1178 <para>Sets terminal attributes</para>
1179 <indexterm zone="ch-system-util-linux setterm">
1180 <primary sortas="b-setterm">setterm</primary>
1181 </indexterm>
1182 </listitem>
1183 </varlistentry>
1184
1185 <varlistentry id="sfdisk">
1186 <term><command>sfdisk</command></term>
1187 <listitem>
1188 <para>A disk partition table manipulator</para>
1189 <indexterm zone="ch-system-util-linux sfdisk">
1190 <primary sortas="b-sfdisk">sfdisk</primary>
1191 </indexterm>
1192 </listitem>
1193 </varlistentry>
1194
1195 <varlistentry id="sulogin">
1196 <term><command>sulogin</command></term>
1197 <listitem>
1198 <para>Allows <systemitem class="username">root</systemitem> to log in;
1199 it is normally invoked by <command>init</command> when the system goes
1200 into single user mode</para>
1201 <indexterm zone="ch-system-util-linux sulogin">
1202 <primary sortas="b-sulogin">sulogin</primary>
1203 </indexterm>
1204 </listitem>
1205 </varlistentry>
1206
1207 <varlistentry id="swaplabel">
1208 <term><command>swaplabel</command></term>
1209 <listitem>
1210 <para>Allows to change swaparea UUID and label</para>
1211 <indexterm zone="ch-system-util-linux swaplabel">
1212 <primary sortas="b-swaplabel">swaplabel</primary>
1213 </indexterm>
1214 </listitem>
1215 </varlistentry>
1216
1217 <varlistentry id="swapoff">
1218 <term><command>swapoff</command></term>
1219 <listitem>
1220 <para>Disables devices and files for paging and swapping</para>
1221 <indexterm zone="ch-system-util-linux swapoff">
1222 <primary sortas="b-swapoff">swapoff</primary>
1223 </indexterm>
1224 </listitem>
1225 </varlistentry>
1226
1227 <varlistentry id="swapon">
1228 <term><command>swapon</command></term>
1229 <listitem>
1230 <para>Enables devices and files for paging and swapping and
1231 lists the devices and files currently in use</para>
1232 <indexterm zone="ch-system-util-linux swapon">
1233 <primary sortas="b-swapon">swapon</primary>
1234 </indexterm>
1235 </listitem>
1236 </varlistentry>
1237
1238 <varlistentry id="switch_root">
1239 <term><command>switch_root</command></term>
1240 <listitem>
1241 <para>Switches to another filesystem as the root of the mount tree</para>
1242 <indexterm zone="ch-system-util-linux switch_root">
1243 <primary sortas="b-switch_root">switch_root</primary>
1244 </indexterm>
1245 </listitem>
1246 </varlistentry>
1247
1248 <varlistentry id="taskset">
1249 <term><command>taskset</command></term>
1250 <listitem>
1251 <para>Retrieves or sets a process' CPU affinity</para>
1252 <indexterm zone="ch-system-util-linux taskset">
1253 <primary sortas="b-taskset">taskset</primary>
1254 </indexterm>
1255 </listitem>
1256 </varlistentry>
1257
1258 <varlistentry id="uclampset">
1259 <term><command>uclampset</command></term>
1260 <listitem>
1261 <para>Manipulate the utilization clamping attributes of the
1262 system or a process</para>
1263 <indexterm zone="ch-system-util-linux uclampset">
1264 <primary sortas="b-uclampset">uclampset</primary>
1265 </indexterm>
1266 </listitem>
1267 </varlistentry>
1268
1269 <varlistentry id="ul">
1270 <term><command>ul</command></term>
1271 <listitem>
1272 <para>A filter for translating underscores into escape sequences
1273 indicating underlining for the terminal in use</para>
1274 <indexterm zone="ch-system-util-linux ul">
1275 <primary sortas="b-ul">ul</primary>
1276 </indexterm>
1277 </listitem>
1278 </varlistentry>
1279
1280 <varlistentry id="umount">
1281 <term><command>umount</command></term>
1282 <listitem>
1283 <para>Disconnects a file system from the system's file tree</para>
1284 <indexterm zone="ch-system-util-linux umount">
1285 <primary sortas="b-umount">umount</primary>
1286 </indexterm>
1287 </listitem>
1288 </varlistentry>
1289
1290 <varlistentry id="uname26">
1291 <term><command>uname26</command></term>
1292 <listitem>
1293 <para>A symbolic link to setarch</para>
1294 <indexterm zone="ch-system-util-linux uname26">
1295 <primary sortas="b-uname26">uname26</primary>
1296 </indexterm>
1297 </listitem>
1298 </varlistentry>
1299
1300 <varlistentry id="unshare">
1301 <term><command>unshare</command></term>
1302 <listitem>
1303 <para>Runs a program with some namespaces unshared from parent</para>
1304 <indexterm zone="ch-system-util-linux unshare">
1305 <primary sortas="b-unshare">unshare</primary>
1306 </indexterm>
1307 </listitem>
1308 </varlistentry>
1309
1310 <varlistentry id="utmpdump">
1311 <term><command>utmpdump</command></term>
1312 <listitem>
1313 <para>Displays the content of the given login file in a more
1314 user-friendly format</para>
1315 <indexterm zone="ch-system-util-linux utmpdump">
1316 <primary sortas="b-utmpdump">utmpdump</primary>
1317 </indexterm>
1318 </listitem>
1319 </varlistentry>
1320
1321 <varlistentry id="uuidd">
1322 <term><command>uuidd</command></term>
1323 <listitem>
1324 <para>A daemon used by the UUID library to generate time-based
1325 UUIDs in a secure and guaranteed-unique fashion</para>
1326 <indexterm zone="ch-system-util-linux uuidd">
1327 <primary sortas="b-uuidd">uuidd</primary>
1328 </indexterm>
1329 </listitem>
1330 </varlistentry>
1331
1332 <varlistentry id="uuidgen">
1333 <term><command>uuidgen</command></term>
1334 <listitem>
1335 <para>Creates new UUIDs. Each new UUID can reasonably be considered
1336 unique among all UUIDs created, on the local system and on other
1337 systems, in the past and in the future</para>
1338 <indexterm zone="ch-system-util-linux uuidgen">
1339 <primary sortas="b-uuidgen">uuidgen</primary>
1340 </indexterm>
1341 </listitem>
1342 </varlistentry>
1343
1344 <varlistentry id="uuidparse">
1345 <term><command>uuidparse</command></term>
1346 <listitem>
1347 <para>An utility to parse unique identifiers</para>
1348 <indexterm zone="ch-system-util-linux uuidparse">
1349 <primary sortas="b-uuidparse">uuidparse</primary>
1350 </indexterm>
1351 </listitem>
1352 </varlistentry>
1353
1354 <varlistentry id="wall">
1355 <term><command>wall</command></term>
1356 <listitem>
1357 <para>Displays the contents of a file or, by default, its standard
1358 input, on the terminals of all currently logged in users</para>
1359 <indexterm zone="ch-system-util-linux wall">
1360 <primary sortas="b-wall">wall</primary>
1361 </indexterm>
1362 </listitem>
1363 </varlistentry>
1364
1365 <varlistentry id="wdctl">
1366 <term><command>wdctl</command></term>
1367 <listitem>
1368 <para>Shows hardware watchdog status</para>
1369 <indexterm zone="ch-system-util-linux wdctl">
1370 <primary sortas="b-wdctl">wdctl</primary>
1371 </indexterm>
1372 </listitem>
1373 </varlistentry>
1374
1375 <varlistentry id="whereis">
1376 <term><command>whereis</command></term>
1377 <listitem>
1378 <para>Reports the location of the binary, source, and man page
1379 for the given command</para>
1380 <indexterm zone="ch-system-util-linux whereis">
1381 <primary sortas="b-whereis">whereis</primary>
1382 </indexterm>
1383 </listitem>
1384 </varlistentry>
1385
1386 <varlistentry id="wipefs">
1387 <term><command>wipefs</command></term>
1388 <listitem>
1389 <para>Wipes a filesystem signature from a device</para>
1390 <indexterm zone="ch-system-util-linux wipefs">
1391 <primary sortas="b-wipefs">wipefs</primary>
1392 </indexterm>
1393 </listitem>
1394 </varlistentry>
1395
1396 <varlistentry id="x86_64">
1397 <term><command>x86_64</command></term>
1398 <listitem>
1399 <para>A symbolic link to setarch</para>
1400 <indexterm zone="ch-system-util-linux x86_64">
1401 <primary sortas="b-x86_64">x86_64</primary>
1402 </indexterm>
1403 </listitem>
1404 </varlistentry>
1405
1406 <varlistentry id="zramctl">
1407 <term><command>zramctl</command></term>
1408 <listitem>
1409 <para>A program to set up and control zram (compressed ram disk)
1410 devices</para>
1411 <indexterm zone="ch-system-util-linux zramctl">
1412 <primary sortas="b-zramctl">zramctl</primary>
1413 </indexterm>
1414 </listitem>
1415 </varlistentry>
1416
1417 <varlistentry id="libblkid">
1418 <term><filename class="libraryfile">libblkid</filename></term>
1419 <listitem>
1420 <para>Contains routines for device identification and token
1421 extraction</para>
1422 <indexterm zone="ch-system-util-linux libblkid">
1423 <primary sortas="c-libblkid">libblkid</primary>
1424 </indexterm>
1425 </listitem>
1426 </varlistentry>
1427
1428 <varlistentry id="libfdisk">
1429 <term><filename class="libraryfile">libfdisk</filename></term>
1430 <listitem>
1431 <para>Contains routines for manipulating partition tables</para>
1432 <indexterm zone="ch-system-util-linux libfdisk">
1433 <primary sortas="c-libfdisk">libfdisk</primary>
1434 </indexterm>
1435 </listitem>
1436 </varlistentry>
1437
1438 <varlistentry id="libmount">
1439 <term><filename class="libraryfile">libmount</filename></term>
1440 <listitem>
1441 <para>Contains routines for block device mounting and
1442 unmounting</para>
1443 <indexterm zone="ch-system-util-linux libmount">
1444 <primary sortas="c-libmount">libmount</primary>
1445 </indexterm>
1446 </listitem>
1447 </varlistentry>
1448
1449 <varlistentry id="libsmartcols">
1450 <term><filename class="libraryfile">libsmartcols</filename></term>
1451 <listitem>
1452 <para>Contains routines for aiding screen output in tabular form</para>
1453 <indexterm zone="ch-system-util-linux libsmartcols">
1454 <primary sortas="c-libsmartcols">libsmartcols</primary>
1455 </indexterm>
1456 </listitem>
1457 </varlistentry>
1458
1459 <varlistentry id="libuuid">
1460 <term><filename class="libraryfile">libuuid</filename></term>
1461 <listitem>
1462 <para>Contains routines for generating unique identifiers for objects
1463 that may be accessible beyond the local system</para>
1464 <indexterm zone="ch-system-util-linux libuuid">
1465 <primary sortas="c-libuuid">libuuid</primary>
1466 </indexterm>
1467 </listitem>
1468 </varlistentry>
1469
1470 </variablelist>
1471
1472 </sect2>
1473
1474</sect1>
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