source: chapter08/util-linux.xml@ 644d5e0

multilib
Last change on this file since 644d5e0 was 992a95c, checked in by Thomas Trepl (Moody) <thomas@…>, 2 years 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</userinput></screen>
63
64<screen revision="systemd"><userinput remap="configure">./configure ADJTIME_PATH=/var/lib/hwclock/adjtime \
65 --bindir=/usr/bin \
66 --libdir=/usr/lib \
67 --sbindir=/usr/sbin \
68 --docdir=/usr/share/doc/util-linux-&util-linux-version; \
69 --disable-chfn-chsh \
70 --disable-login \
71 --disable-nologin \
72 --disable-su \
73 --disable-setpriv \
74 --disable-runuser \
75 --disable-pylibmount \
76 --disable-static \
77 --without-python</userinput></screen>
78
79 <para>The --disable and --without options prevent warnings about
80 building components that require packages not in LFS or are
81 inconsistent with programs installed by other packages.</para>
82
83 <para>Compile the package:</para>
84
85<screen><userinput remap="make">make</userinput></screen>
86
87 <para>If desired, run the test suite as a non-root user:</para>
88
89 <warning><para>Running the test suite as the
90 <systemitem class="username">root</systemitem> user can be harmful to
91 your system. To run it, the CONFIG_SCSI_DEBUG option for the kernel must
92 be available in the currently running system and must be built as a
93 module. Building it into the kernel will prevent booting. For complete
94 coverage, other BLFS packages must be installed. If desired, this test can
95 be run after rebooting into the completed LFS system and running:</para>
96
97<screen role="nodump"><userinput>bash tests/run.sh --srcdir=$PWD --builddir=$PWD</userinput></screen>
98 </warning>
99
100 <note><para>There is one test that fails in the chroot environment and
101 causes the tests to hang forever. The problem does not occur outside
102 of the chroot environment.
103 To work around the problem, delete the test:</para>
104
105 <screen><userinput remap="test">rm tests/ts/lsns/ioctl_ns</userinput></screen>
106 </note>
107
108<screen><userinput remap="test">chown -Rv tester .
109su tester -c "make -k check"</userinput></screen>
110
111 <para>The <emphasis>hardlink</emphasis> tests will fail if the host's kernel
112 does not have the option CONFIG_CRYPTO_USER_API_HASH set.</para>
113
114 <para>Install the package:</para>
115
116<screen><userinput remap="install">make install</userinput></screen>
117<!--
118 <para>Finally, install the man pages:</para>
119
120<screen><userinput remap="install">tar -xf ../util-linux-man-pages-&util-linux-version;.tar.xz - -directory /usr/share/man - -strip-components=1</userinput></screen>
121-->
122 </sect2>
123
124 <!-- - - - - - - - - - -->
125 <!-- Multilib - 32bit -->
126 <!-- - - - - - - - - - -->
127
128 <sect2 arch="ml_32,ml_all" role="installation">
129 <title>Installation of Util-linux - 32-bit</title>
130
131 <para>Clean previous build:</para>
132
133<screen><userinput remap="pre">make distclean</userinput></screen>
134
135 <para>Move a tool out of the way which is optionally used by
136 configure but will report invalid pathes for multilib builds.</para>
137
138<screen><userinput remap="configure">mv /usr/bin/ncursesw6-config{,.tmp}</userinput></screen>
139
140 <para>Prepare Util-linux for compilation:</para>
141
142<screen revision="sysv"><userinput remap="configure">CC="gcc -m32" \
143./configure ADJTIME_PATH=/var/lib/hwclock/adjtime \
144 --host=i686-pc-linux-gnu \
145 --libdir=/usr/lib32 \
146 --docdir=/usr/share/doc/util-linux-&util-linux-version; \
147 --disable-chfn-chsh \
148 --disable-login \
149 --disable-nologin \
150 --disable-su \
151 --disable-setpriv \
152 --disable-runuser \
153 --disable-pylibmount \
154 --disable-static \
155 --without-python \
156 --without-systemd \
157 --without-systemdsystemunitdir</userinput></screen>
158
159<screen revision="systemd"><userinput remap="configure">CC="gcc -m32" \
160./configure ADJTIME_PATH=/var/lib/hwclock/adjtime \
161 --host=i686-pc-linux-gnu \
162 --libdir=/usr/lib32 \
163 --docdir=/usr/share/doc/util-linux-&util-linux-version; \
164 --disable-chfn-chsh \
165 --disable-login \
166 --disable-nologin \
167 --disable-su \
168 --disable-setpriv \
169 --disable-runuser \
170 --disable-pylibmount \
171 --disable-static \
172 --without-python</userinput></screen>
173
174 <para>Restore the tool previously moved away:</para>
175
176<screen><userinput remap="configure">mv /usr/bin/ncursesw6-config{.tmp,}</userinput></screen>
177
178 <para>Compile the package:</para>
179
180<screen><userinput remap="make">make</userinput></screen>
181
182 <para>Install the package:</para>
183
184<screen><userinput remap="install">make DESTDIR=$PWD/DESTDIR install
185cp -Rv DESTDIR/usr/lib32/* /usr/lib32
186rm -rf DESTDIR</userinput></screen>
187
188 </sect2><!-- m32 -->
189
190 <!-- - - - - - - - - - -->
191 <!-- Multilib - x32bit -->
192 <!-- - - - - - - - - - -->
193
194 <sect2 arch="ml_x32,ml_all" role="installation">
195 <title>Installation of Util-linux - x32-bit</title>
196
197 <para>Clean previous build:</para>
198
199<screen><userinput remap="pre">make distclean</userinput></screen>
200
201 <para>Move a tool out of the way which is optionally used by
202 configure but will report invalid pathes for multilib builds.</para>
203
204<screen><userinput remap="configure">mv /usr/bin/ncursesw6-config{,.tmp}</userinput></screen>
205
206 <para>Prepare Util-linux for compilation:</para>
207
208<screen revision="sysv"><userinput remap="configure">CC="gcc -mx32" \
209./configure ADJTIME_PATH=/var/lib/hwclock/adjtime \
210 --host=x86_64-pc-linux-gnux32 \
211 --libdir=/usr/libx32 \
212 --docdir=/usr/share/doc/util-linux-&util-linux-version; \
213 --disable-chfn-chsh \
214 --disable-login \
215 --disable-nologin \
216 --disable-su \
217 --disable-setpriv \
218 --disable-runuser \
219 --disable-pylibmount \
220 --disable-static \
221 --without-python \
222 --without-systemd \
223 --without-systemdsystemunitdir</userinput></screen>
224
225<screen revision="systemd"><userinput remap="configure">CC="gcc -mx32" \
226./configure ADJTIME_PATH=/var/lib/hwclock/adjtime \
227 --host=x86_64-pc-linux-gnux32 \
228 --libdir=/usr/libx32 \
229 --docdir=/usr/share/doc/util-linux-&util-linux-version; \
230 --disable-chfn-chsh \
231 --disable-login \
232 --disable-nologin \
233 --disable-su \
234 --disable-setpriv \
235 --disable-runuser \
236 --disable-pylibmount \
237 --disable-static \
238 --without-python</userinput></screen>
239
240 <para>Restore the tool previously moved away:</para>
241
242<screen><userinput remap="configure">mv /usr/bin/ncursesw6-config{.tmp,}</userinput></screen>
243
244 <para>Compile the package:</para>
245
246<screen><userinput remap="make">make</userinput></screen>
247
248 <para>Install the package:</para>
249
250<screen><userinput remap="install">make DESTDIR=$PWD/DESTDIR install
251cp -Rv DESTDIR/usr/libx32/* /usr/libx32
252rm -rf DESTDIR</userinput></screen>
253
254 </sect2><!-- mx32 -->
255
256 <sect2 id="contents-utillinux" role="content">
257 <title>Contents of Util-linux</title>
258
259 <segmentedlist>
260 <segtitle>Installed programs</segtitle>
261 <segtitle>Installed libraries</segtitle>
262 <segtitle>Installed directories</segtitle>
263
264 <seglistitem>
265 <seg>addpart, agetty, blkdiscard, blkid, blkzone, blockdev, cal, cfdisk, chcpu,
266 chmem, choom, chrt, col, colcrt, colrm, column, ctrlaltdel, delpart, dmesg,
267 eject, fallocate, fdisk, fincore, findfs, findmnt, flock, fsck,
268 fsck.cramfs, fsck.minix, fsfreeze, fstrim, getopt, hexdump, hwclock,
269 i386, ionice, ipcmk, ipcrm, ipcs, irqtop, isosize, kill, last, lastb (link to
270 last), ldattach, linux32, linux64, logger, look, losetup, lsblk, lscpu,
271 lsipc, lsirq, lslocks, lslogins, lsmem, lsns, mcookie, mesg, mkfs, mkfs.bfs, mkfs.cramfs, mkfs.minix, mkswap,
272 more, mount, mountpoint, namei, nsenter, partx, pivot_root, prlimit,
273 readprofile, rename, renice, resizepart, rev, rfkill, rtcwake, script,
274 scriptlive, scriptreplay, setarch, setsid, setterm, sfdisk, sulogin, swaplabel,
275 swapoff (link to swapon), swapon, switch_root, taskset, uclampset, ul,
276 umount, uname26, unshare, utmpdump, uuidd, uuidgen, uuidparse, wall, wdctl, whereis,
277 wipefs, x86_64, and zramctl</seg>
278 <seg>libblkid.so, libfdisk.so, libmount.so,
279 libsmartcols.so, and libuuid.so</seg>
280 <seg>/usr/include/blkid,
281 /usr/include/libfdisk,
282 /usr/include/libmount,
283 /usr/include/libsmartcols,
284 /usr/include/uuid,
285 /usr/share/doc/util-linux-&util-linux-version;,
286 and /var/lib/hwclock</seg>
287 </seglistitem>
288 </segmentedlist>
289
290 <variablelist>
291 <bridgehead renderas="sect3">Short Descriptions</bridgehead>
292 <?dbfo list-presentation="list"?>
293 <?dbhtml list-presentation="table"?>
294
295 <varlistentry id="addpart">
296 <term><command>addpart</command></term>
297 <listitem>
298 <para>Informs the Linux kernel of new partitions</para>
299 <indexterm zone="ch-system-util-linux addpart">
300 <primary sortas="b-addpart">addpart</primary>
301 </indexterm>
302 </listitem>
303 </varlistentry>
304
305 <varlistentry id="agetty">
306 <term><command>agetty</command></term>
307 <listitem>
308 <para>Opens a tty port, prompts for a login name,
309 and then invokes the <command>login</command> program</para>
310 <indexterm zone="ch-system-util-linux agetty">
311 <primary sortas="b-agetty">agetty</primary>
312 </indexterm>
313 </listitem>
314 </varlistentry>
315
316 <varlistentry id="blkdiscard">
317 <term><command>blkdiscard</command></term>
318 <listitem>
319 <para>Discards sectors on a device</para>
320 <indexterm zone="ch-system-util-linux blkdiscard">
321 <primary sortas="b-blkdiscard">blkdiscard</primary>
322 </indexterm>
323 </listitem>
324 </varlistentry>
325
326 <varlistentry id="blkid">
327 <term><command>blkid</command></term>
328 <listitem>
329 <para>A command line utility to locate and print block device
330 attributes</para>
331 <indexterm zone="ch-system-util-linux blkid">
332 <primary sortas="b-blkid">blkid</primary>
333 </indexterm>
334 </listitem>
335 </varlistentry>
336
337 <varlistentry id="blkzone">
338 <term><command>blkzone</command></term>
339 <listitem>
340 <para>Runs zone command on the given block device</para>
341 <indexterm zone="ch-system-util-linux blkzone">
342 <primary sortas="b-blkzone">blkzone</primary>
343 </indexterm>
344 </listitem>
345 </varlistentry>
346
347 <varlistentry id="blockdev">
348 <term><command>blockdev</command></term>
349 <listitem>
350 <para>Allows users to call block device ioctls from the command
351 line</para>
352 <indexterm zone="ch-system-util-linux blockdev">
353 <primary sortas="b-blockdev">blockdev</primary>
354 </indexterm>
355 </listitem>
356 </varlistentry>
357
358 <varlistentry id="cal">
359 <term><command>cal</command></term>
360 <listitem>
361 <para>Displays a simple calendar</para>
362 <indexterm zone="ch-system-util-linux cal">
363 <primary sortas="b-cal">cal</primary>
364 </indexterm>
365 </listitem>
366 </varlistentry>
367
368 <varlistentry id="cfdisk">
369 <term><command>cfdisk</command></term>
370 <listitem>
371 <para>Manipulates the partition table of the given device</para>
372 <indexterm zone="ch-system-util-linux cfdisk">
373 <primary sortas="b-cfdisk">cfdisk</primary>
374 </indexterm>
375 </listitem>
376 </varlistentry>
377
378 <varlistentry id="chcpu">
379 <term><command>chcpu</command></term>
380 <listitem>
381 <para>Modifies the state of CPUs</para>
382 <indexterm zone="ch-system-util-linux chcpu">
383 <primary sortas="b-chcpu">chcpu</primary>
384 </indexterm>
385 </listitem>
386 </varlistentry>
387
388 <varlistentry id="chmem">
389 <term><command>chmem</command></term>
390 <listitem>
391 <para>Configures memory</para>
392 <indexterm zone="ch-system-util-linux chmem">
393 <primary sortas="b-chmem">chmem</primary>
394 </indexterm>
395 </listitem>
396 </varlistentry>
397
398 <varlistentry id="choom">
399 <term><command>choom</command></term>
400 <listitem>
401 <para>Displays and adjusts OOM-killer score</para>
402 <indexterm zone="ch-system-util-linux choom">
403 <primary sortas="b-choom">choom</primary>
404 </indexterm>
405 </listitem>
406 </varlistentry>
407
408 <varlistentry id="chrt">
409 <term><command>chrt</command></term>
410 <listitem>
411 <para>Manipulates real-time attributes of a process</para>
412 <indexterm zone="ch-system-util-linux chrt">
413 <primary sortas="b-chrt">chrt</primary>
414 </indexterm>
415 </listitem>
416 </varlistentry>
417
418 <varlistentry id="col">
419 <term><command>col</command></term>
420 <listitem>
421 <para>Filters out reverse line feeds</para>
422 <indexterm zone="ch-system-util-linux col">
423 <primary sortas="b-col">col</primary>
424 </indexterm>
425 </listitem>
426 </varlistentry>
427
428 <varlistentry id="colcrt">
429 <term><command>colcrt</command></term>
430 <listitem>
431 <para>Filters <command>nroff</command> output for terminals
432 that lack some capabilities, such as overstriking and half-lines</para>
433 <indexterm zone="ch-system-util-linux colcrt">
434 <primary sortas="b-colcrt">colcrt</primary>
435 </indexterm>
436 </listitem>
437 </varlistentry>
438
439 <varlistentry id="colrm">
440 <term><command>colrm</command></term>
441 <listitem>
442 <para>Filters out the given columns</para>
443 <indexterm zone="ch-system-util-linux colrm">
444 <primary sortas="b-colrm">colrm</primary>
445 </indexterm>
446 </listitem>
447 </varlistentry>
448
449 <varlistentry id="column">
450 <term><command>column</command></term>
451 <listitem>
452 <para>Formats a given file into multiple columns</para>
453 <indexterm zone="ch-system-util-linux column">
454 <primary sortas="b-column">column</primary>
455 </indexterm>
456 </listitem>
457 </varlistentry>
458
459 <varlistentry id="ctrlaltdel">
460 <term><command>ctrlaltdel</command></term>
461 <listitem>
462 <para>Sets the function of the Ctrl+Alt+Del key combination to a
463 hard or a soft reset</para>
464 <indexterm zone="ch-system-util-linux ctrlaltdel">
465 <primary sortas="b-ctrlaltdel">ctrlaltdel</primary>
466 </indexterm>
467 </listitem>
468 </varlistentry>
469
470 <varlistentry id="delpart">
471 <term><command>delpart</command></term>
472 <listitem>
473 <para>Asks the Linux kernel to remove a partition</para>
474 <indexterm zone="ch-system-util-linux delpart">
475 <primary sortas="b-delpart">delpart</primary>
476 </indexterm>
477 </listitem>
478 </varlistentry>
479
480 <varlistentry id="dmesg">
481 <term><command>dmesg</command></term>
482 <listitem>
483 <para>Dumps the kernel boot messages</para>
484 <indexterm zone="ch-system-util-linux dmesg">
485 <primary sortas="b-dmesg">dmesg</primary>
486 </indexterm>
487 </listitem>
488 </varlistentry>
489
490 <varlistentry id="eject">
491 <term><command>eject</command></term>
492 <listitem>
493 <para>Ejects removable media</para>
494 <indexterm zone="ch-system-util-linux eject">
495 <primary sortas="b-eject">eject</primary>
496 </indexterm>
497 </listitem>
498 </varlistentry>
499
500 <varlistentry id="fallocate">
501 <term><command>fallocate</command></term>
502 <listitem>
503 <para>Preallocates space to a file</para>
504 <indexterm zone="ch-system-util-linux fallocate">
505 <primary sortas="b-fallocate">fallocate</primary>
506 </indexterm>
507 </listitem>
508 </varlistentry>
509
510 <varlistentry id="fdisk">
511 <term><command>fdisk</command></term>
512 <listitem>
513 <para>Manipulates the partition table of the given device</para>
514 <indexterm zone="ch-system-util-linux fdisk">
515 <primary sortas="b-fdisk">fdisk</primary>
516 </indexterm>
517 </listitem>
518 </varlistentry>
519
520 <varlistentry id="fincore">
521 <term><command>fincore</command></term>
522 <listitem>
523 <para>Counts pages of file contents in core</para>
524 <indexterm zone="ch-system-util-linux fincore">
525 <primary sortas="b-fincore">fincore</primary>
526 </indexterm>
527 </listitem>
528 </varlistentry>
529
530 <varlistentry id="findfs">
531 <term><command>findfs</command></term>
532 <listitem>
533 <para>Finds a file system by label or Universally Unique Identifier
534 (UUID)</para>
535 <indexterm zone="ch-system-util-linux findfs">
536 <primary sortas="b-findfs">findfs</primary>
537 </indexterm>
538 </listitem>
539 </varlistentry>
540
541 <varlistentry id="findmnt">
542 <term><command>findmnt</command></term>
543 <listitem>
544 <para>Is a command line interface to the libmount library
545 for work with mountinfo, fstab and mtab files</para>
546 <indexterm zone="ch-system-util-linux findmnt">
547 <primary sortas="b-findmnt">findmnt</primary>
548 </indexterm>
549 </listitem>
550 </varlistentry>
551
552 <varlistentry id="flock">
553 <term><command>flock</command></term>
554 <listitem>
555 <para>Acquires a file lock and then executes a command with the lock
556 held</para>
557 <indexterm zone="ch-system-util-linux flock">
558 <primary sortas="b-flock">flock</primary>
559 </indexterm>
560 </listitem>
561 </varlistentry>
562
563 <varlistentry id="fsck">
564 <term><command>fsck</command></term>
565 <listitem>
566 <para>Is used to check, and optionally repair, file systems</para>
567 <indexterm zone="ch-system-util-linux fsck">
568 <primary sortas="b-fsck">fsck</primary>
569 </indexterm>
570 </listitem>
571 </varlistentry>
572
573 <varlistentry id="fsck.cramfs">
574 <term><command>fsck.cramfs</command></term>
575 <listitem>
576 <para>Performs a consistency check on the Cramfs file system on the
577 given device</para>
578 <indexterm zone="ch-system-util-linux fsck.cramfs">
579 <primary sortas="b-fsck.cramfs">fsck.cramfs</primary>
580 </indexterm>
581 </listitem>
582 </varlistentry>
583
584 <varlistentry id="fsck.minix">
585 <term><command>fsck.minix</command></term>
586 <listitem>
587 <para>Performs a consistency check on the Minix file system on the
588 given device</para>
589 <indexterm zone="ch-system-util-linux fsck.minix">
590 <primary sortas="b-fsck.minix">fsck.minix</primary>
591 </indexterm>
592 </listitem>
593 </varlistentry>
594
595 <varlistentry id="fsfreeze">
596 <term><command>fsfreeze</command></term>
597 <listitem>
598 <para>Is a very simple wrapper around FIFREEZE/FITHAW ioctl
599 kernel driver operations</para>
600 <indexterm zone="ch-system-util-linux fsfreeze">
601 <primary sortas="b-fsfreeze">fsfreeze</primary>
602 </indexterm>
603 </listitem>
604 </varlistentry>
605
606 <varlistentry id="fstrim">
607 <term><command>fstrim</command></term>
608 <listitem>
609 <para>Discards unused blocks on a mounted filesystem</para>
610 <indexterm zone="ch-system-util-linux fstrim">
611 <primary sortas="b-fstrim">fstrim</primary>
612 </indexterm>
613 </listitem>
614 </varlistentry>
615
616 <varlistentry id="getopt">
617 <term><command>getopt</command></term>
618 <listitem>
619 <para>Parses options in the given command line</para>
620 <indexterm zone="ch-system-util-linux getopt">
621 <primary sortas="b-getopt">getopt</primary>
622 </indexterm>
623 </listitem>
624 </varlistentry>
625
626 <varlistentry id="hexdump">
627 <term><command>hexdump</command></term>
628 <listitem>
629 <para>Dumps the given file in hexadecimal or in another given
630 format</para>
631 <indexterm zone="ch-system-util-linux hexdump">
632 <primary sortas="b-hexdump">hexdump</primary>
633 </indexterm>
634 </listitem>
635 </varlistentry>
636
637 <varlistentry id="hwclock">
638 <term><command>hwclock</command></term>
639 <listitem>
640 <para>Reads or sets the system's hardware clock, also called
641 the Real-Time Clock (RTC) or Basic Input-Output System (BIOS)
642 clock</para>
643 <indexterm zone="ch-system-util-linux hwclock">
644 <primary sortas="b-hwclock">hwclock</primary>
645 </indexterm>
646 </listitem>
647 </varlistentry>
648
649 <varlistentry id="i386">
650 <term><command>i386</command></term>
651 <listitem>
652 <para>A symbolic link to setarch</para>
653 <indexterm zone="ch-system-util-linux i386">
654 <primary sortas="b-i386">i386</primary>
655 </indexterm>
656 </listitem>
657 </varlistentry>
658
659 <varlistentry id="ionice">
660 <term><command>ionice</command></term>
661 <listitem>
662 <para>Gets or sets the io scheduling class and priority for a program</para>
663 <indexterm zone="ch-system-util-linux ionice">
664 <primary sortas="b-ionice">ionice</primary>
665 </indexterm>
666 </listitem>
667 </varlistentry>
668
669 <varlistentry id="ipcmk">
670 <term><command>ipcmk</command></term>
671 <listitem>
672 <para>Creates various IPC resources</para>
673 <indexterm zone="ch-system-util-linux ipcmk">
674 <primary sortas="b-ipcmk">ipcmk</primary>
675 </indexterm>
676 </listitem>
677 </varlistentry>
678
679 <varlistentry id="ipcrm">
680 <term><command>ipcrm</command></term>
681 <listitem>
682 <para>Removes the given Inter-Process Communication (IPC) resource</para>
683 <indexterm zone="ch-system-util-linux ipcrm">
684 <primary sortas="b-ipcrm">ipcrm</primary>
685 </indexterm>
686 </listitem>
687 </varlistentry>
688
689 <varlistentry id="ipcs">
690 <term><command>ipcs</command></term>
691 <listitem>
692 <para>Provides IPC status information</para>
693 <indexterm zone="ch-system-util-linux ipcs">
694 <primary sortas="b-ipcs">ipcs</primary>
695 </indexterm>
696 </listitem>
697 </varlistentry>
698
699 <varlistentry id="irqtop">
700 <term><command>irqtop</command></term>
701 <listitem>
702 <para>Displays kernel interrupt counter information in
703 <filename>top(1)</filename> style view</para>
704 <indexterm zone="ch-system-util-linux irqtop">
705 <primary sortas="b-irqtop">irqtop</primary>
706 </indexterm>
707 </listitem>
708 </varlistentry>
709
710 <varlistentry id="isosize">
711 <term><command>isosize</command></term>
712 <listitem>
713 <para>Reports the size of an iso9660 file system</para>
714 <indexterm zone="ch-system-util-linux isosize">
715 <primary sortas="b-isosize">isosize</primary>
716 </indexterm>
717 </listitem>
718 </varlistentry>
719
720 <varlistentry id="kill">
721 <term><command>kill</command></term>
722 <listitem>
723 <para>Sends signals to processes</para>
724 <indexterm zone="ch-system-util-linux kill">
725 <primary sortas="b-kill">kill</primary>
726 </indexterm>
727 </listitem>
728 </varlistentry>
729
730 <varlistentry id="last">
731 <term><command>last</command></term>
732 <listitem>
733 <para>Shows which users last logged in (and out), searching back
734 through the <filename>/var/log/wtmp</filename> file; it also shows
735 system boots, shutdowns, and run-level changes</para>
736 <indexterm zone="ch-system-util-linux last">
737 <primary sortas="b-last">last</primary>
738 </indexterm>
739 </listitem>
740 </varlistentry>
741
742 <varlistentry id="lastb">
743 <term><command>lastb</command></term>
744 <listitem>
745 <para>Shows the failed login attempts, as logged in
746 <filename>/var/log/btmp</filename></para>
747 <indexterm zone="ch-system-util-linux lastb">
748 <primary sortas="b-lastb">lastb</primary>
749 </indexterm>
750 </listitem>
751 </varlistentry>
752
753 <varlistentry id="ldattach">
754 <term><command>ldattach</command></term>
755 <listitem>
756 <para>Attaches a line discipline to a serial line</para>
757 <indexterm zone="ch-system-util-linux ldattach">
758 <primary sortas="b-ldattach">ldattach</primary>
759 </indexterm>
760 </listitem>
761 </varlistentry>
762
763 <varlistentry id="linux32">
764 <term><command>linux32</command></term>
765 <listitem>
766 <para>A symbolic link to setarch</para>
767 <indexterm zone="ch-system-util-linux linux32">
768 <primary sortas="b-linux32">linux32</primary>
769 </indexterm>
770 </listitem>
771 </varlistentry>
772
773 <varlistentry id="linux64">
774 <term><command>linux64</command></term>
775 <listitem>
776 <para>A symbolic link to setarch</para>
777 <indexterm zone="ch-system-util-linux linux64">
778 <primary sortas="b-linux64">linux64</primary>
779 </indexterm>
780 </listitem>
781 </varlistentry>
782
783 <varlistentry id="logger">
784 <term><command>logger</command></term>
785 <listitem>
786 <para>Enters the given message into the system log</para>
787 <indexterm zone="ch-system-util-linux logger">
788 <primary sortas="b-logger">logger</primary>
789 </indexterm>
790 </listitem>
791 </varlistentry>
792
793 <varlistentry id="look">
794 <term><command>look</command></term>
795 <listitem>
796 <para>Displays lines that begin with the given string</para>
797 <indexterm zone="ch-system-util-linux look">
798 <primary sortas="b-look">look</primary>
799 </indexterm>
800 </listitem>
801 </varlistentry>
802
803 <varlistentry id="losetup">
804 <term><command>losetup</command></term>
805 <listitem>
806 <para>Sets up and controls loop devices</para>
807 <indexterm zone="ch-system-util-linux losetup">
808 <primary sortas="b-losetup">losetup</primary>
809 </indexterm>
810 </listitem>
811 </varlistentry>
812
813 <varlistentry id="lsblk">
814 <term><command>lsblk</command></term>
815 <listitem>
816 <para>Lists information about all or selected block devices in
817 a tree-like format</para>
818 <indexterm zone="ch-system-util-linux lsblk">
819 <primary sortas="b-lsblk">lsblk</primary>
820 </indexterm>
821 </listitem>
822 </varlistentry>
823
824 <varlistentry id="lscpu">
825 <term><command>lscpu</command></term>
826 <listitem>
827 <para>Prints CPU architecture information</para>
828 <indexterm zone="ch-system-util-linux lscpu">
829 <primary sortas="b-lscpu">lscpu</primary>
830 </indexterm>
831 </listitem>
832 </varlistentry>
833
834 <varlistentry id="lsipc">
835 <term><command>lsipc</command></term>
836 <listitem>
837 <para>Prints information on IPC facilities currently employed
838 in the system</para>
839 <indexterm zone="ch-system-util-linux lsipc">
840 <primary sortas="b-lsipc">lsipc</primary>
841 </indexterm>
842 </listitem>
843 </varlistentry>
844
845 <varlistentry id="lsirq">
846 <term><command>lsirq</command></term>
847 <listitem>
848 <para>Displays kernel interrupt counter information</para>
849 <indexterm zone="ch-system-util-linux lsirq">
850 <primary sortas="b-lsirq">lsirq</primary>
851 </indexterm>
852 </listitem>
853 </varlistentry>
854
855 <varlistentry id="lslocks">
856 <term><command>lslocks</command></term>
857 <listitem>
858 <para>Lists local system locks</para>
859 <indexterm zone="ch-system-util-linux lslocks">
860 <primary sortas="b-lslocks">lslocks</primary>
861 </indexterm>
862 </listitem>
863 </varlistentry>
864
865 <varlistentry id="lslogins">
866 <term><command>lslogins</command></term>
867 <listitem>
868 <para>Lists information about users, groups and system accounts</para>
869 <indexterm zone="ch-system-util-linux lslogins">
870 <primary sortas="b-lslogins">lslogins</primary>
871 </indexterm>
872 </listitem>
873 </varlistentry>
874
875 <varlistentry id="lsmem">
876 <term><command>lsmem</command></term>
877 <listitem>
878 <para>Lists the ranges of available memory with their online
879 status</para>
880 <indexterm zone="ch-system-util-linux lsmem">
881 <primary sortas="b-lsmem">lsmem</primary>
882 </indexterm>
883 </listitem>
884 </varlistentry>
885
886 <varlistentry id="lsns">
887 <term><command>lsns</command></term>
888 <listitem>
889 <para>Lists namespaces</para>
890 <indexterm zone="ch-system-util-linux lsns">
891 <primary sortas="b-lsns">lsns</primary>
892 </indexterm>
893 </listitem>
894 </varlistentry>
895
896 <varlistentry id="mcookie">
897 <term><command>mcookie</command></term>
898 <listitem>
899 <para>Generates magic cookies (128-bit random hexadecimal numbers) for
900 <command>xauth</command></para>
901 <indexterm zone="ch-system-util-linux mcookie">
902 <primary sortas="b-mcookie">mcookie</primary>
903 </indexterm>
904 </listitem>
905 </varlistentry>
906
907 <varlistentry id="mesg">
908 <term><command>mesg</command></term>
909 <listitem>
910 <para>Controls whether other users can send messages to the current
911 user's terminal</para>
912 <indexterm zone="ch-system-util-linux mesg">
913 <primary sortas="b-mesg">mesg</primary>
914 </indexterm>
915 </listitem>
916 </varlistentry>
917
918 <varlistentry id="mkfs">
919 <term><command>mkfs</command></term>
920 <listitem>
921 <para>Builds a file system on a device (usually a hard disk
922 partition)</para>
923 <indexterm zone="ch-system-util-linux mkfs">
924 <primary sortas="b-mkfs">mkfs</primary>
925 </indexterm>
926 </listitem>
927 </varlistentry>
928
929 <varlistentry id="mkfs.bfs">
930 <term><command>mkfs.bfs</command></term>
931 <listitem>
932 <para>Creates a Santa Cruz Operations (SCO) bfs file system</para>
933 <indexterm zone="ch-system-util-linux mkfs.bfs">
934 <primary sortas="b-mkfs.bfs">mkfs.bfs</primary>
935 </indexterm>
936 </listitem>
937 </varlistentry>
938
939 <varlistentry id="mkfs.cramfs">
940 <term><command>mkfs.cramfs</command></term>
941 <listitem>
942 <para>Creates a cramfs file system</para>
943 <indexterm zone="ch-system-util-linux mkfs.cramfs">
944 <primary sortas="b-mkfs.cramfs">mkfs.cramfs</primary>
945 </indexterm>
946 </listitem>
947 </varlistentry>
948
949 <varlistentry id="mkfs.minix">
950 <term><command>mkfs.minix</command></term>
951 <listitem>
952 <para>Creates a Minix file system</para>
953 <indexterm zone="ch-system-util-linux mkfs.minix">
954 <primary sortas="b-mkfs.minix">mkfs.minix</primary>
955 </indexterm>
956 </listitem>
957 </varlistentry>
958
959 <varlistentry id="mkswap">
960 <term><command>mkswap</command></term>
961 <listitem>
962 <para>Initializes the given device or file to be used as a swap
963 area</para>
964 <indexterm zone="ch-system-util-linux mkswap">
965 <primary sortas="b-mkswap">mkswap</primary>
966 </indexterm>
967 </listitem>
968 </varlistentry>
969
970 <varlistentry id="more">
971 <term><command>more</command></term>
972 <listitem>
973 <para>A filter for paging through text one screen at a time</para>
974 <indexterm zone="ch-system-util-linux more">
975 <primary sortas="b-more">more</primary>
976 </indexterm>
977 </listitem>
978 </varlistentry>
979
980 <varlistentry id="mount">
981 <term><command>mount</command></term>
982 <listitem>
983 <para>Attaches the file system on the given device to a specified
984 directory in the file-system tree</para>
985 <indexterm zone="ch-system-util-linux mount">
986 <primary sortas="b-mount">mount</primary>
987 </indexterm>
988 </listitem>
989 </varlistentry>
990
991 <varlistentry id="mountpoint">
992 <term><command>mountpoint</command></term>
993 <listitem>
994 <para>Checks if the directory is a mountpoint</para>
995 <indexterm zone="ch-system-util-linux mountpoint">
996 <primary sortas="b-mountpoint">mountpoint</primary>
997 </indexterm>
998 </listitem>
999 </varlistentry>
1000
1001 <varlistentry id="namei">
1002 <term><command>namei</command></term>
1003 <listitem>
1004 <para>Shows the symbolic links in the given pathnames</para>
1005 <indexterm zone="ch-system-util-linux namei">
1006 <primary sortas="b-namei">namei</primary>
1007 </indexterm>
1008 </listitem>
1009 </varlistentry>
1010
1011 <varlistentry id="nsenter">
1012 <term><command>nsenter</command></term>
1013 <listitem>
1014 <para>Runs a program with namespaces of other processes</para>
1015 <indexterm zone="ch-system-util-linux nsenter">
1016 <primary sortas="b-nsenter">nsenter</primary>
1017 </indexterm>
1018 </listitem>
1019 </varlistentry>
1020
1021 <varlistentry id="partx">
1022 <term><command>partx</command></term>
1023 <listitem>
1024 <para>Tells the kernel about the presence and numbering of on-disk
1025 partitions</para>
1026 <indexterm zone="ch-system-util-linux partx">
1027 <primary sortas="b-partx">partx</primary>
1028 </indexterm>
1029 </listitem>
1030 </varlistentry>
1031
1032 <varlistentry id="pivot_root">
1033 <term><command>pivot_root</command></term>
1034 <listitem>
1035 <para>Makes the given file system the new root file system of the
1036 current process</para>
1037 <indexterm zone="ch-system-util-linux pivot_root">
1038 <primary sortas="b-pivot_root">pivot_root</primary>
1039 </indexterm>
1040 </listitem>
1041 </varlistentry>
1042
1043 <varlistentry id="prlimit">
1044 <term><command>prlimit</command></term>
1045 <listitem>
1046 <para>Get and set a process' resource limits</para>
1047 <indexterm zone="ch-system-util-linux prlimit">
1048 <primary sortas="b-prlimit">prlimit</primary>
1049 </indexterm>
1050 </listitem>
1051 </varlistentry>
1052
1053 <varlistentry id="readprofile">
1054 <term><command>readprofile</command></term>
1055 <listitem>
1056 <para>Reads kernel profiling information</para>
1057 <indexterm zone="ch-system-util-linux readprofile">
1058 <primary sortas="b-readprofile">readprofile</primary>
1059 </indexterm>
1060 </listitem>
1061 </varlistentry>
1062
1063 <varlistentry id="rename">
1064 <term><command>rename</command></term>
1065 <listitem>
1066 <para>Renames the given files, replacing a given string with
1067 another</para>
1068 <indexterm zone="ch-system-util-linux rename">
1069 <primary sortas="b-rename">rename</primary>
1070 </indexterm>
1071 </listitem>
1072 </varlistentry>
1073
1074 <varlistentry id="renice">
1075 <term><command>renice</command></term>
1076 <listitem>
1077 <para>Alters the priority of running processes</para>
1078 <indexterm zone="ch-system-util-linux renice">
1079 <primary sortas="b-renice">renice</primary>
1080 </indexterm>
1081 </listitem>
1082 </varlistentry>
1083
1084 <varlistentry id="resizepart">
1085 <term><command>resizepart</command></term>
1086 <listitem>
1087 <para>Asks the Linux kernel to resize a partition</para>
1088 <indexterm zone="ch-system-util-linux resizepart">
1089 <primary sortas="b-resizepart">resizepart</primary>
1090 </indexterm>
1091 </listitem>
1092 </varlistentry>
1093
1094 <varlistentry id="rev">
1095 <term><command>rev</command></term>
1096 <listitem>
1097 <para>Reverses the lines of a given file</para>
1098 <indexterm zone="ch-system-util-linux rev">
1099 <primary sortas="b-rev">rev</primary>
1100 </indexterm>
1101 </listitem>
1102 </varlistentry>
1103
1104 <varlistentry id="rkfill">
1105 <term><command>rkfill</command></term>
1106 <listitem>
1107 <para>Tool for enabling and disabling wireless devices</para>
1108 <indexterm zone="ch-system-util-linux rkfill">
1109 <primary sortas="b-rkfill">rkfill</primary>
1110 </indexterm>
1111 </listitem>
1112 </varlistentry>
1113
1114 <varlistentry id="rtcwake">
1115 <term><command>rtcwake</command></term>
1116 <listitem>
1117 <para>Used to enter a system sleep state until specified wakeup
1118 time</para>
1119 <indexterm zone="ch-system-util-linux rtcwake">
1120 <primary sortas="b-rtcwake">rtcwake</primary>
1121 </indexterm>
1122 </listitem>
1123 </varlistentry>
1124
1125 <varlistentry id="script">
1126 <term><command>script</command></term>
1127 <listitem>
1128 <para>Makes a typescript of a terminal session</para>
1129 <indexterm zone="ch-system-util-linux script">
1130 <primary sortas="b-script">script</primary>
1131 </indexterm>
1132 </listitem>
1133 </varlistentry>
1134
1135 <varlistentry id="scriptlive">
1136 <term><command>scriptlive</command></term>
1137 <listitem>
1138 <para>Re-run session typescripts using timing information</para>
1139 <indexterm zone="ch-system-util-linux scriptlive">
1140 <primary sortas="b-scriptlive">scriptlive</primary>
1141 </indexterm>
1142 </listitem>
1143 </varlistentry>
1144
1145 <varlistentry id="scriptreplay">
1146 <term><command>scriptreplay</command></term>
1147 <listitem>
1148 <para>Plays back typescripts using timing information</para>
1149 <indexterm zone="ch-system-util-linux scriptreplay">
1150 <primary sortas="b-scriptreplay">scriptreplay</primary>
1151 </indexterm>
1152 </listitem>
1153 </varlistentry>
1154
1155 <varlistentry id="setarch">
1156 <term><command>setarch</command></term>
1157 <listitem>
1158 <para>Changes reported architecture in a new program environment and
1159 sets personality flags</para>
1160 <indexterm zone="ch-system-util-linux setarch">
1161 <primary sortas="b-setarch">setarch</primary>
1162 </indexterm>
1163 </listitem>
1164 </varlistentry>
1165
1166 <varlistentry id="setsid">
1167 <term><command>setsid</command></term>
1168 <listitem>
1169 <para>Runs the given program in a new session</para>
1170 <indexterm zone="ch-system-util-linux setsid">
1171 <primary sortas="b-setsid">setsid</primary>
1172 </indexterm>
1173 </listitem>
1174 </varlistentry>
1175
1176 <varlistentry id="setterm">
1177 <term><command>setterm</command></term>
1178 <listitem>
1179 <para>Sets terminal attributes</para>
1180 <indexterm zone="ch-system-util-linux setterm">
1181 <primary sortas="b-setterm">setterm</primary>
1182 </indexterm>
1183 </listitem>
1184 </varlistentry>
1185
1186 <varlistentry id="sfdisk">
1187 <term><command>sfdisk</command></term>
1188 <listitem>
1189 <para>A disk partition table manipulator</para>
1190 <indexterm zone="ch-system-util-linux sfdisk">
1191 <primary sortas="b-sfdisk">sfdisk</primary>
1192 </indexterm>
1193 </listitem>
1194 </varlistentry>
1195
1196 <varlistentry id="sulogin">
1197 <term><command>sulogin</command></term>
1198 <listitem>
1199 <para>Allows <systemitem class="username">root</systemitem> to log in;
1200 it is normally invoked by <command>init</command> when the system goes
1201 into single user mode</para>
1202 <indexterm zone="ch-system-util-linux sulogin">
1203 <primary sortas="b-sulogin">sulogin</primary>
1204 </indexterm>
1205 </listitem>
1206 </varlistentry>
1207
1208 <varlistentry id="swaplabel">
1209 <term><command>swaplabel</command></term>
1210 <listitem>
1211 <para>Allows to change swaparea UUID and label</para>
1212 <indexterm zone="ch-system-util-linux swaplabel">
1213 <primary sortas="b-swaplabel">swaplabel</primary>
1214 </indexterm>
1215 </listitem>
1216 </varlistentry>
1217
1218 <varlistentry id="swapoff">
1219 <term><command>swapoff</command></term>
1220 <listitem>
1221 <para>Disables devices and files for paging and swapping</para>
1222 <indexterm zone="ch-system-util-linux swapoff">
1223 <primary sortas="b-swapoff">swapoff</primary>
1224 </indexterm>
1225 </listitem>
1226 </varlistentry>
1227
1228 <varlistentry id="swapon">
1229 <term><command>swapon</command></term>
1230 <listitem>
1231 <para>Enables devices and files for paging and swapping and
1232 lists the devices and files currently in use</para>
1233 <indexterm zone="ch-system-util-linux swapon">
1234 <primary sortas="b-swapon">swapon</primary>
1235 </indexterm>
1236 </listitem>
1237 </varlistentry>
1238
1239 <varlistentry id="switch_root">
1240 <term><command>switch_root</command></term>
1241 <listitem>
1242 <para>Switches to another filesystem as the root of the mount tree</para>
1243 <indexterm zone="ch-system-util-linux switch_root">
1244 <primary sortas="b-switch_root">switch_root</primary>
1245 </indexterm>
1246 </listitem>
1247 </varlistentry>
1248
1249 <varlistentry id="taskset">
1250 <term><command>taskset</command></term>
1251 <listitem>
1252 <para>Retrieves or sets a process' CPU affinity</para>
1253 <indexterm zone="ch-system-util-linux taskset">
1254 <primary sortas="b-taskset">taskset</primary>
1255 </indexterm>
1256 </listitem>
1257 </varlistentry>
1258
1259 <varlistentry id="uclampset">
1260 <term><command>uclampset</command></term>
1261 <listitem>
1262 <para>Manipulate the utilization clamping attributes of the
1263 system or a process</para>
1264 <indexterm zone="ch-system-util-linux uclampset">
1265 <primary sortas="b-uclampset">uclampset</primary>
1266 </indexterm>
1267 </listitem>
1268 </varlistentry>
1269
1270 <varlistentry id="ul">
1271 <term><command>ul</command></term>
1272 <listitem>
1273 <para>A filter for translating underscores into escape sequences
1274 indicating underlining for the terminal in use</para>
1275 <indexterm zone="ch-system-util-linux ul">
1276 <primary sortas="b-ul">ul</primary>
1277 </indexterm>
1278 </listitem>
1279 </varlistentry>
1280
1281 <varlistentry id="umount">
1282 <term><command>umount</command></term>
1283 <listitem>
1284 <para>Disconnects a file system from the system's file tree</para>
1285 <indexterm zone="ch-system-util-linux umount">
1286 <primary sortas="b-umount">umount</primary>
1287 </indexterm>
1288 </listitem>
1289 </varlistentry>
1290
1291 <varlistentry id="uname26">
1292 <term><command>uname26</command></term>
1293 <listitem>
1294 <para>A symbolic link to setarch</para>
1295 <indexterm zone="ch-system-util-linux uname26">
1296 <primary sortas="b-uname26">uname26</primary>
1297 </indexterm>
1298 </listitem>
1299 </varlistentry>
1300
1301 <varlistentry id="unshare">
1302 <term><command>unshare</command></term>
1303 <listitem>
1304 <para>Runs a program with some namespaces unshared from parent</para>
1305 <indexterm zone="ch-system-util-linux unshare">
1306 <primary sortas="b-unshare">unshare</primary>
1307 </indexterm>
1308 </listitem>
1309 </varlistentry>
1310
1311 <varlistentry id="utmpdump">
1312 <term><command>utmpdump</command></term>
1313 <listitem>
1314 <para>Displays the content of the given login file in a more
1315 user-friendly format</para>
1316 <indexterm zone="ch-system-util-linux utmpdump">
1317 <primary sortas="b-utmpdump">utmpdump</primary>
1318 </indexterm>
1319 </listitem>
1320 </varlistentry>
1321
1322 <varlistentry id="uuidd">
1323 <term><command>uuidd</command></term>
1324 <listitem>
1325 <para>A daemon used by the UUID library to generate time-based
1326 UUIDs in a secure and guaranteed-unique fashion</para>
1327 <indexterm zone="ch-system-util-linux uuidd">
1328 <primary sortas="b-uuidd">uuidd</primary>
1329 </indexterm>
1330 </listitem>
1331 </varlistentry>
1332
1333 <varlistentry id="uuidgen">
1334 <term><command>uuidgen</command></term>
1335 <listitem>
1336 <para>Creates new UUIDs. Each new UUID can reasonably be considered
1337 unique among all UUIDs created, on the local system and on other
1338 systems, in the past and in the future</para>
1339 <indexterm zone="ch-system-util-linux uuidgen">
1340 <primary sortas="b-uuidgen">uuidgen</primary>
1341 </indexterm>
1342 </listitem>
1343 </varlistentry>
1344
1345 <varlistentry id="uuidparse">
1346 <term><command>uuidparse</command></term>
1347 <listitem>
1348 <para>An utility to parse unique identifiers</para>
1349 <indexterm zone="ch-system-util-linux uuidparse">
1350 <primary sortas="b-uuidparse">uuidparse</primary>
1351 </indexterm>
1352 </listitem>
1353 </varlistentry>
1354
1355 <varlistentry id="wall">
1356 <term><command>wall</command></term>
1357 <listitem>
1358 <para>Displays the contents of a file or, by default, its standard
1359 input, on the terminals of all currently logged in users</para>
1360 <indexterm zone="ch-system-util-linux wall">
1361 <primary sortas="b-wall">wall</primary>
1362 </indexterm>
1363 </listitem>
1364 </varlistentry>
1365
1366 <varlistentry id="wdctl">
1367 <term><command>wdctl</command></term>
1368 <listitem>
1369 <para>Shows hardware watchdog status</para>
1370 <indexterm zone="ch-system-util-linux wdctl">
1371 <primary sortas="b-wdctl">wdctl</primary>
1372 </indexterm>
1373 </listitem>
1374 </varlistentry>
1375
1376 <varlistentry id="whereis">
1377 <term><command>whereis</command></term>
1378 <listitem>
1379 <para>Reports the location of the binary, source, and man page
1380 for the given command</para>
1381 <indexterm zone="ch-system-util-linux whereis">
1382 <primary sortas="b-whereis">whereis</primary>
1383 </indexterm>
1384 </listitem>
1385 </varlistentry>
1386
1387 <varlistentry id="wipefs">
1388 <term><command>wipefs</command></term>
1389 <listitem>
1390 <para>Wipes a filesystem signature from a device</para>
1391 <indexterm zone="ch-system-util-linux wipefs">
1392 <primary sortas="b-wipefs">wipefs</primary>
1393 </indexterm>
1394 </listitem>
1395 </varlistentry>
1396
1397 <varlistentry id="x86_64">
1398 <term><command>x86_64</command></term>
1399 <listitem>
1400 <para>A symbolic link to setarch</para>
1401 <indexterm zone="ch-system-util-linux x86_64">
1402 <primary sortas="b-x86_64">x86_64</primary>
1403 </indexterm>
1404 </listitem>
1405 </varlistentry>
1406
1407 <varlistentry id="zramctl">
1408 <term><command>zramctl</command></term>
1409 <listitem>
1410 <para>A program to set up and control zram (compressed ram disk)
1411 devices</para>
1412 <indexterm zone="ch-system-util-linux zramctl">
1413 <primary sortas="b-zramctl">zramctl</primary>
1414 </indexterm>
1415 </listitem>
1416 </varlistentry>
1417
1418 <varlistentry id="libblkid">
1419 <term><filename class="libraryfile">libblkid</filename></term>
1420 <listitem>
1421 <para>Contains routines for device identification and token
1422 extraction</para>
1423 <indexterm zone="ch-system-util-linux libblkid">
1424 <primary sortas="c-libblkid">libblkid</primary>
1425 </indexterm>
1426 </listitem>
1427 </varlistentry>
1428
1429 <varlistentry id="libfdisk">
1430 <term><filename class="libraryfile">libfdisk</filename></term>
1431 <listitem>
1432 <para>Contains routines for manipulating partition tables</para>
1433 <indexterm zone="ch-system-util-linux libfdisk">
1434 <primary sortas="c-libfdisk">libfdisk</primary>
1435 </indexterm>
1436 </listitem>
1437 </varlistentry>
1438
1439 <varlistentry id="libmount">
1440 <term><filename class="libraryfile">libmount</filename></term>
1441 <listitem>
1442 <para>Contains routines for block device mounting and
1443 unmounting</para>
1444 <indexterm zone="ch-system-util-linux libmount">
1445 <primary sortas="c-libmount">libmount</primary>
1446 </indexterm>
1447 </listitem>
1448 </varlistentry>
1449
1450 <varlistentry id="libsmartcols">
1451 <term><filename class="libraryfile">libsmartcols</filename></term>
1452 <listitem>
1453 <para>Contains routines for aiding screen output in tabular form</para>
1454 <indexterm zone="ch-system-util-linux libsmartcols">
1455 <primary sortas="c-libsmartcols">libsmartcols</primary>
1456 </indexterm>
1457 </listitem>
1458 </varlistentry>
1459
1460 <varlistentry id="libuuid">
1461 <term><filename class="libraryfile">libuuid</filename></term>
1462 <listitem>
1463 <para>Contains routines for generating unique identifiers for objects
1464 that may be accessible beyond the local system</para>
1465 <indexterm zone="ch-system-util-linux libuuid">
1466 <primary sortas="c-libuuid">libuuid</primary>
1467 </indexterm>
1468 </listitem>
1469 </varlistentry>
1470
1471 </variablelist>
1472
1473 </sect2>
1474
1475</sect1>
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