source: chapter06/util-linux.xml@ a07a34d

multilib-10.1
Last change on this file since a07a34d was a07a34d, checked in by Thomas Trepl <thomas@…>, 4 years ago

MultiLib: Merge changes from trunk

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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-ch6-sbu;</seg>
36 <seg>&util-linux-ch6-du;</seg>
37 </seglistitem>
38 </segmentedlist>
39
40 </sect2>
41
42 <sect2 role="installation">
43 <title>FHS compliance notes</title>
44
45 <para>The FHS recommends using the <filename
46 class="directory">/var/lib/hwclock</filename> directory instead of the
47 usual <filename class="directory">/etc</filename> directory as the
48 location for the <filename>adjtime</filename> file. First create a directory
49 to enable storage for the <command>hwclock</command> program:</para>
50
51<screen><userinput remap="pre">mkdir -pv /var/lib/hwclock</userinput></screen>
52
53 </sect2>
54
55 <sect2 role="installation">
56 <title>Installation of Util-linux</title>
57<!--
58 <para>First, fix one of the regression tests:</para>
59
60<screen><userinput remap="pre">sed -e 's/2^64/(2^64/' -e 's/E &lt;/E) &lt;=/' -e 's/ne /eq /' \
61 -i tests/ts/ipcs/limits2</userinput></screen>
62-->
63
64 <para>Remove the earlier created symlinks and files:</para>
65
66<screen><userinput remap="pre">rm -vf /usr/include/{blkid,libfdisk,libmount,uuid}
67rm -vf /usr/lib/lib{blkid,fdisk,mount,uuid}.so*
68rm -vf /usr/lib/pkgconfig/{blkid,fdisk,mount,uuid}.pc</userinput></screen>
69
70 <para>Prepare Util-linux for compilation:</para>
71
72<screen revision="sysv"><userinput remap="configure">./configure ADJTIME_PATH=/var/lib/hwclock/adjtime \
73 --docdir=/usr/share/doc/util-linux-&util-linux-version; \
74 --disable-chfn-chsh \
75 --disable-login \
76 --disable-nologin \
77 --disable-su \
78 --disable-setpriv \
79 --disable-runuser \
80 --disable-pylibmount \
81 --disable-static \
82 --without-python \
83 --without-systemd \
84 --without-systemdsystemunitdir</userinput></screen>
85
86<screen revision="systemd"><userinput remap="configure">./configure ADJTIME_PATH=/var/lib/hwclock/adjtime \
87 --docdir=/usr/share/doc/util-linux-&util-linux-version; \
88 --disable-chfn-chsh \
89 --disable-login \
90 --disable-nologin \
91 --disable-su \
92 --disable-setpriv \
93 --disable-runuser \
94 --disable-pylibmount \
95 --disable-static \
96 --without-python</userinput></screen>
97
98 <para>The --disable and --without options prevent warnings about
99 building components that require packages not in LFS or are
100 inconsistent with programs installed by other packages.</para>
101
102 <para>Compile the package:</para>
103
104<screen><userinput remap="make">make</userinput></screen>
105
106 <para>If desired, run the test suite as a non-root user:</para>
107
108 <warning><para>Running the test suite as the root user can be harmful to
109 your system. To run it, the CONFIG_SCSI_DEBUG option for the kernel must
110 be available in the currently running system, and must be built as a
111 module. Building it into the kernel will prevent booting. For complete
112 coverage, other BLFS packages must be installed. If desired, this test can
113 be run after rebooting into the completed LFS system and running:</para>
114
115<screen role="nodump"><userinput>bash tests/run.sh --srcdir=$PWD --builddir=$PWD</userinput></screen>
116 </warning>
117
118<screen><userinput remap="test">chown -Rv nobody .
119su nobody -s /bin/bash -c "PATH=$PATH make -k check"</userinput></screen>
120
121 <para>Install the package:</para>
122
123<screen><userinput remap="install">make install</userinput></screen>
124
125 </sect2>
126
127 <!-- ~~~~~~~~~~~~~~~~~~~~ ABI 32 ~~~~~~~~~~~~~~~~~~~~ -->
128
129 <sect2 arch="ml_32,ml_all" role="installation">
130 <title>Installation of Util-linux - 32-bit</title>
131
132 <para>Clean previous build:</para>
133
134<screen><userinput remap="pre">make distclean</userinput></screen>
135
136 <para>Prepare Util-linux for compilation:</para>
137
138<screen revision="sysv"><userinput remap="configure">CC="gcc -m32" \
139./configure ADJTIME_PATH=/var/lib/hwclock/adjtime \
140 --docdir=/usr/share/doc/util-linux-&util-linux-version; \
141 --disable-chfn-chsh \
142 --disable-login \
143 --disable-nologin \
144 --disable-su \
145 --disable-setpriv \
146 --disable-runuser \
147 --disable-pylibmount \
148 --disable-static \
149 --without-python \
150 --without-systemd \
151 --libdir=/usr/lib32 \
152 --host=i686-pc-linux-gnu \
153 --without-systemdsystemunitdir \
154 --enable-libmount-force-mountinfo</userinput></screen>
155
156<screen revision="systemd"><userinput remap="configure">CC="gcc -m32" \
157./configure ADJTIME_PATH=/var/lib/hwclock/adjtime \
158 --docdir=/usr/share/doc/util-linux-&util-linux-version; \
159 --disable-chfn-chsh \
160 --disable-login \
161 --disable-nologin \
162 --disable-su \
163 --disable-setpriv \
164 --disable-runuser \
165 --disable-pylibmount \
166 --disable-static \
167 --without-python \
168 --libdir=/usr/lib32 \
169 --host=i686-pc-linux-gnu \
170 --enable-libmount-force-mountinfo</userinput></screen>
171
172 <para>Compile the package:</para>
173
174<screen><userinput remap="make">make</userinput></screen>
175
176 <para>Install the package:</para>
177
178<screen><userinput remap="install">make DESTDIR=$PWD/DESTDIR install
179cp -Rv DESTDIR/usr/lib32/* /usr/lib32
180rm -rf DESTDIR</userinput></screen>
181
182 </sect2>
183
184 <!-- ~~~~~~~~~~~~~~~~~~~~ ABI x32 ~~~~~~~~~~~~~~~~~~~~ -->
185
186 <sect2 arch="ml_x32,ml_all" role="installation">
187 <title>Installation of Util-linux - x32-bit</title>
188
189 <para>Clean previous build:</para>
190
191<screen><userinput remap="pre">make distclean</userinput></screen>
192
193 <para>Prepare Util-linux for compilation:</para>
194
195<screen revision="sysv"><userinput remap="configure">CC="gcc -mx32" \
196./configure ADJTIME_PATH=/var/lib/hwclock/adjtime \
197 --docdir=/usr/share/doc/util-linux-&util-linux-version; \
198 --disable-chfn-chsh \
199 --disable-login \
200 --disable-nologin \
201 --disable-su \
202 --disable-setpriv \
203 --disable-runuser \
204 --disable-pylibmount \
205 --disable-static \
206 --without-python \
207 --without-systemd \
208 --without-systemdsystemunitdir \
209 --libdir=/usr/libx32 \
210 --host=x86_64-pc-linux-gnux32 \
211 --enable-libmount-force-mountinfo</userinput></screen>
212
213<screen revision="systemd"><userinput remap="configure">CC="gcc -mx32" \
214./configure ADJTIME_PATH=/var/lib/hwclock/adjtime \
215 --docdir=/usr/share/doc/util-linux-&util-linux-version; \
216 --disable-chfn-chsh \
217 --disable-login \
218 --disable-nologin \
219 --disable-su \
220 --disable-setpriv \
221 --disable-runuser \
222 --disable-pylibmount \
223 --disable-static \
224 --without-python \
225 --libdir=/usr/libx32 \
226 --host=x86_64-pc-linux-gnux32 \
227 --enable-libmount-force-mountinfo</userinput></screen>
228
229 <para>Compile the package:</para>
230
231<screen><userinput remap="make">make</userinput></screen>
232
233 <para>Install the package:</para>
234
235<screen><userinput remap="install">make DESTDIR=$PWD/DESTDIR install
236cp -Rv DESTDIR/usr/libx32/* /usr/libx32
237rm -rf DESTDIR</userinput></screen>
238
239 </sect2>
240
241 <sect2 id="contents-utillinux" role="content">
242 <title>Contents of Util-linux</title>
243
244 <segmentedlist>
245 <segtitle>Installed programs</segtitle>
246 <segtitle>Installed libraries</segtitle>
247 <segtitle>Installed directories</segtitle>
248
249 <seglistitem>
250 <seg>addpart, agetty, blkdiscard, blkid, blkzone, blockdev, cal, cfdisk, chcpu,
251 chmem, choom, chrt, col, colcrt, colrm, column, ctrlaltdel, delpart, dmesg,
252 eject, fallocate, fdformat, fdisk, fincore, findfs, findmnt, flock, fsck,
253 fsck.cramfs, fsck.minix, fsfreeze, fstrim, getopt, hexdump, hwclock,
254 i386, ionice, ipcmk, ipcrm, ipcs, isosize, kill, last, lastb (link to
255 last), ldattach, linux32, linux64, logger, look, losetup, lsblk, lscpu,
256 lsipc, lslocks, lslogins, lsmem, lsns, mcookie, mesg, mkfs, mkfs.bfs, mkfs.cramfs, mkfs.minix, mkswap,
257 more, mount, mountpoint, namei, nsenter, partx, pivot_root, prlimit, raw,
258 readprofile, rename, renice, resizepart, rev, rfkill, rtcwake, script,
259 scriptreplay, setarch, setsid, setterm, sfdisk, sulogin, swaplabel,
260 swapoff (link to swapon), swapon, switch_root, taskset, ul,
261 umount, uname26, unshare, utmpdump, uuidd, uuidgen, uuidparse, wall, wdctl, whereis,
262 wipefs, x86_64, and zramctl</seg>
263 <seg>libblkid.so, libfdisk.so, libmount.so,
264 libsmartcols.so, and libuuid.so</seg>
265 <seg>/usr/include/blkid,
266 /usr/include/libfdisk,
267 /usr/include/libmount,
268 /usr/include/libsmartcols,
269 /usr/include/uuid,
270 /usr/share/doc/util-linux-&util-linux-version;,
271 and /var/lib/hwclock</seg>
272 </seglistitem>
273 </segmentedlist>
274
275 <variablelist>
276 <bridgehead renderas="sect3">Short Descriptions</bridgehead>
277 <?dbfo list-presentation="list"?>
278 <?dbhtml list-presentation="table"?>
279
280 <varlistentry id="addpart">
281 <term><command>addpart</command></term>
282 <listitem>
283 <para>Informs the Linux kernel of new partitions</para>
284 <indexterm zone="ch-system-util-linux addpart">
285 <primary sortas="b-addpart">addpart</primary>
286 </indexterm>
287 </listitem>
288 </varlistentry>
289
290 <varlistentry id="agetty">
291 <term><command>agetty</command></term>
292 <listitem>
293 <para>Opens a tty port, prompts for a login name,
294 and then invokes the <command>login</command> program</para>
295 <indexterm zone="ch-system-util-linux agetty">
296 <primary sortas="b-agetty">agetty</primary>
297 </indexterm>
298 </listitem>
299 </varlistentry>
300
301 <varlistentry id="blkdiscard">
302 <term><command>blkdiscard</command></term>
303 <listitem>
304 <para>Discards sectors on a device</para>
305 <indexterm zone="ch-system-util-linux blkdiscard">
306 <primary sortas="b-blkdiscard">blkdiscard</primary>
307 </indexterm>
308 </listitem>
309 </varlistentry>
310
311 <varlistentry id="blkid">
312 <term><command>blkid</command></term>
313 <listitem>
314 <para>A command line utility to locate and print block device
315 attributes</para>
316 <indexterm zone="ch-system-util-linux blkid">
317 <primary sortas="b-blkid">blkid</primary>
318 </indexterm>
319 </listitem>
320 </varlistentry>
321
322 <varlistentry id="blkzone">
323 <term><command>blkzone</command></term>
324 <listitem>
325 <para>Runs zone command on the given block device</para>
326 <indexterm zone="ch-system-util-linux blkzone">
327 <primary sortas="b-blkzone">blkzone</primary>
328 </indexterm>
329 </listitem>
330 </varlistentry>
331
332 <varlistentry id="blockdev">
333 <term><command>blockdev</command></term>
334 <listitem>
335 <para>Allows users to call block device ioctls from the command
336 line</para>
337 <indexterm zone="ch-system-util-linux blockdev">
338 <primary sortas="b-blockdev">blockdev</primary>
339 </indexterm>
340 </listitem>
341 </varlistentry>
342
343 <varlistentry id="cal">
344 <term><command>cal</command></term>
345 <listitem>
346 <para>Displays a simple calendar</para>
347 <indexterm zone="ch-system-util-linux cal">
348 <primary sortas="b-cal">cal</primary>
349 </indexterm>
350 </listitem>
351 </varlistentry>
352
353 <varlistentry id="cfdisk">
354 <term><command>cfdisk</command></term>
355 <listitem>
356 <para>Manipulates the partition table of the given device</para>
357 <indexterm zone="ch-system-util-linux cfdisk">
358 <primary sortas="b-cfdisk">cfdisk</primary>
359 </indexterm>
360 </listitem>
361 </varlistentry>
362
363 <varlistentry id="chcpu">
364 <term><command>chcpu</command></term>
365 <listitem>
366 <para>Modifies the state of CPUs</para>
367 <indexterm zone="ch-system-util-linux chcpu">
368 <primary sortas="b-chcpu">chcpu</primary>
369 </indexterm>
370 </listitem>
371 </varlistentry>
372
373 <varlistentry id="chmem">
374 <term><command>chmem</command></term>
375 <listitem>
376 <para>Configures memory</para>
377 <indexterm zone="ch-system-util-linux chmem">
378 <primary sortas="b-chmem">chmem</primary>
379 </indexterm>
380 </listitem>
381 </varlistentry>
382
383 <varlistentry id="choom">
384 <term><command>choom</command></term>
385 <listitem>
386 <para>Displays and adjusts OOM-killer score</para>
387 <indexterm zone="ch-system-util-linux choom">
388 <primary sortas="b-choom">choom</primary>
389 </indexterm>
390 </listitem>
391 </varlistentry>
392
393 <varlistentry id="chrt">
394 <term><command>chrt</command></term>
395 <listitem>
396 <para>Manipulates real-time attributes of a process</para>
397 <indexterm zone="ch-system-util-linux chrt">
398 <primary sortas="b-chrt">chrt</primary>
399 </indexterm>
400 </listitem>
401 </varlistentry>
402
403 <varlistentry id="col">
404 <term><command>col</command></term>
405 <listitem>
406 <para>Filters out reverse line feeds</para>
407 <indexterm zone="ch-system-util-linux col">
408 <primary sortas="b-col">col</primary>
409 </indexterm>
410 </listitem>
411 </varlistentry>
412
413 <varlistentry id="colcrt">
414 <term><command>colcrt</command></term>
415 <listitem>
416 <para>Filters <command>nroff</command> output for terminals
417 that lack some capabilities, such as overstriking and half-lines</para>
418 <indexterm zone="ch-system-util-linux colcrt">
419 <primary sortas="b-colcrt">colcrt</primary>
420 </indexterm>
421 </listitem>
422 </varlistentry>
423
424 <varlistentry id="colrm">
425 <term><command>colrm</command></term>
426 <listitem>
427 <para>Filters out the given columns</para>
428 <indexterm zone="ch-system-util-linux colrm">
429 <primary sortas="b-colrm">colrm</primary>
430 </indexterm>
431 </listitem>
432 </varlistentry>
433
434 <varlistentry id="column">
435 <term><command>column</command></term>
436 <listitem>
437 <para>Formats a given file into multiple columns</para>
438 <indexterm zone="ch-system-util-linux column">
439 <primary sortas="b-column">column</primary>
440 </indexterm>
441 </listitem>
442 </varlistentry>
443
444 <varlistentry id="ctrlaltdel">
445 <term><command>ctrlaltdel</command></term>
446 <listitem>
447 <para>Sets the function of the Ctrl+Alt+Del key combination to a
448 hard or a soft reset</para>
449 <indexterm zone="ch-system-util-linux ctrlaltdel">
450 <primary sortas="b-ctrlaltdel">ctrlaltdel</primary>
451 </indexterm>
452 </listitem>
453 </varlistentry>
454
455 <varlistentry id="delpart">
456 <term><command>delpart</command></term>
457 <listitem>
458 <para>Asks the Linux kernel to remove a partition</para>
459 <indexterm zone="ch-system-util-linux delpart">
460 <primary sortas="b-delpart">delpart</primary>
461 </indexterm>
462 </listitem>
463 </varlistentry>
464
465 <varlistentry id="dmesg">
466 <term><command>dmesg</command></term>
467 <listitem>
468 <para>Dumps the kernel boot messages</para>
469 <indexterm zone="ch-system-util-linux dmesg">
470 <primary sortas="b-dmesg">dmesg</primary>
471 </indexterm>
472 </listitem>
473 </varlistentry>
474
475 <varlistentry id="eject">
476 <term><command>eject</command></term>
477 <listitem>
478 <para>Ejects removable media</para>
479 <indexterm zone="ch-system-util-linux eject">
480 <primary sortas="b-eject">eject</primary>
481 </indexterm>
482 </listitem>
483 </varlistentry>
484
485 <varlistentry id="fallocate">
486 <term><command>fallocate</command></term>
487 <listitem>
488 <para>Preallocates space to a file</para>
489 <indexterm zone="ch-system-util-linux fallocate">
490 <primary sortas="b-fallocate">fallocate</primary>
491 </indexterm>
492 </listitem>
493 </varlistentry>
494
495 <varlistentry id="fdformat">
496 <term><command>fdformat</command></term>
497 <listitem>
498 <para>Low-level formats a floppy disk</para>
499 <indexterm zone="ch-system-util-linux fdformat">
500 <primary sortas="b-fdformat">fdformat</primary>
501 </indexterm>
502 </listitem>
503 </varlistentry>
504
505 <varlistentry id="fdisk">
506 <term><command>fdisk</command></term>
507 <listitem>
508 <para>Manipulates the partition table of the given device</para>
509 <indexterm zone="ch-system-util-linux fdisk">
510 <primary sortas="b-fdisk">fdisk</primary>
511 </indexterm>
512 </listitem>
513 </varlistentry>
514
515 <varlistentry id="fincore">
516 <term><command>fincore</command></term>
517 <listitem>
518 <para>Counts pages of file contents in core</para>
519 <indexterm zone="ch-system-util-linux fincore">
520 <primary sortas="b-fincore">fincore</primary>
521 </indexterm>
522 </listitem>
523 </varlistentry>
524
525 <varlistentry id="findfs">
526 <term><command>findfs</command></term>
527 <listitem>
528 <para>Finds a file system by label or Universally Unique Identifier
529 (UUID)</para>
530 <indexterm zone="ch-system-util-linux findfs">
531 <primary sortas="b-findfs">findfs</primary>
532 </indexterm>
533 </listitem>
534 </varlistentry>
535
536 <varlistentry id="findmnt">
537 <term><command>findmnt</command></term>
538 <listitem>
539 <para>Is a command line interface to the libmount library
540 for work with mountinfo, fstab and mtab files</para>
541 <indexterm zone="ch-system-util-linux findmnt">
542 <primary sortas="b-findmnt">findmnt</primary>
543 </indexterm>
544 </listitem>
545 </varlistentry>
546
547 <varlistentry id="flock">
548 <term><command>flock</command></term>
549 <listitem>
550 <para>Acquires a file lock and then executes a command with the lock
551 held</para>
552 <indexterm zone="ch-system-util-linux flock">
553 <primary sortas="b-flock">flock</primary>
554 </indexterm>
555 </listitem>
556 </varlistentry>
557
558 <varlistentry id="fsck">
559 <term><command>fsck</command></term>
560 <listitem>
561 <para>Is used to check, and optionally repair, file systems</para>
562 <indexterm zone="ch-system-util-linux fsck">
563 <primary sortas="b-fsck">fsck</primary>
564 </indexterm>
565 </listitem>
566 </varlistentry>
567
568 <varlistentry id="fsck.cramfs">
569 <term><command>fsck.cramfs</command></term>
570 <listitem>
571 <para>Performs a consistency check on the Cramfs file system on the
572 given device</para>
573 <indexterm zone="ch-system-util-linux fsck.cramfs">
574 <primary sortas="b-fsck.cramfs">fsck.cramfs</primary>
575 </indexterm>
576 </listitem>
577 </varlistentry>
578
579 <varlistentry id="fsck.minix">
580 <term><command>fsck.minix</command></term>
581 <listitem>
582 <para>Performs a consistency check on the Minix file system on the
583 given device</para>
584 <indexterm zone="ch-system-util-linux fsck.minix">
585 <primary sortas="b-fsck.minix">fsck.minix</primary>
586 </indexterm>
587 </listitem>
588 </varlistentry>
589
590 <varlistentry id="fsfreeze">
591 <term><command>fsfreeze</command></term>
592 <listitem>
593 <para>Is a very simple wrapper around FIFREEZE/FITHAW ioctl
594 kernel driver operations</para>
595 <indexterm zone="ch-system-util-linux fsfreeze">
596 <primary sortas="b-fsfreeze">fsfreeze</primary>
597 </indexterm>
598 </listitem>
599 </varlistentry>
600
601 <varlistentry id="fstrim">
602 <term><command>fstrim</command></term>
603 <listitem>
604 <para>Discards unused blocks on a mounted filesystem</para>
605 <indexterm zone="ch-system-util-linux fstrim">
606 <primary sortas="b-fstrim">fstrim</primary>
607 </indexterm>
608 </listitem>
609 </varlistentry>
610
611 <varlistentry id="getopt">
612 <term><command>getopt</command></term>
613 <listitem>
614 <para>Parses options in the given command line</para>
615 <indexterm zone="ch-system-util-linux getopt">
616 <primary sortas="b-getopt">getopt</primary>
617 </indexterm>
618 </listitem>
619 </varlistentry>
620
621 <varlistentry id="hexdump">
622 <term><command>hexdump</command></term>
623 <listitem>
624 <para>Dumps the given file in hexadecimal or in another given
625 format</para>
626 <indexterm zone="ch-system-util-linux hexdump">
627 <primary sortas="b-hexdump">hexdump</primary>
628 </indexterm>
629 </listitem>
630 </varlistentry>
631
632 <varlistentry id="hwclock">
633 <term><command>hwclock</command></term>
634 <listitem>
635 <para>Reads or sets the system's hardware clock, also called
636 the Real-Time Clock (RTC) or Basic Input-Output System (BIOS)
637 clock</para>
638 <indexterm zone="ch-system-util-linux hwclock">
639 <primary sortas="b-hwclock">hwclock</primary>
640 </indexterm>
641 </listitem>
642 </varlistentry>
643
644 <varlistentry id="i386">
645 <term><command>i386</command></term>
646 <listitem>
647 <para>A symbolic link to setarch</para>
648 <indexterm zone="ch-system-util-linux i386">
649 <primary sortas="b-i386">i386</primary>
650 </indexterm>
651 </listitem>
652 </varlistentry>
653
654 <varlistentry id="ionice">
655 <term><command>ionice</command></term>
656 <listitem>
657 <para>Gets or sets the io scheduling class and priority for a program</para>
658 <indexterm zone="ch-system-util-linux ionice">
659 <primary sortas="b-ionice">ionice</primary>
660 </indexterm>
661 </listitem>
662 </varlistentry>
663
664 <varlistentry id="ipcmk">
665 <term><command>ipcmk</command></term>
666 <listitem>
667 <para>Creates various IPC resources</para>
668 <indexterm zone="ch-system-util-linux ipcmk">
669 <primary sortas="b-ipcmk">ipcmk</primary>
670 </indexterm>
671 </listitem>
672 </varlistentry>
673
674 <varlistentry id="ipcrm">
675 <term><command>ipcrm</command></term>
676 <listitem>
677 <para>Removes the given Inter-Process Communication (IPC) resource</para>
678 <indexterm zone="ch-system-util-linux ipcrm">
679 <primary sortas="b-ipcrm">ipcrm</primary>
680 </indexterm>
681 </listitem>
682 </varlistentry>
683
684 <varlistentry id="ipcs">
685 <term><command>ipcs</command></term>
686 <listitem>
687 <para>Provides IPC status information</para>
688 <indexterm zone="ch-system-util-linux ipcs">
689 <primary sortas="b-ipcs">ipcs</primary>
690 </indexterm>
691 </listitem>
692 </varlistentry>
693
694 <varlistentry id="isosize">
695 <term><command>isosize</command></term>
696 <listitem>
697 <para>Reports the size of an iso9660 file system</para>
698 <indexterm zone="ch-system-util-linux isosize">
699 <primary sortas="b-isosize">isosize</primary>
700 </indexterm>
701 </listitem>
702 </varlistentry>
703
704 <varlistentry id="kill">
705 <term><command>kill</command></term>
706 <listitem>
707 <para>Sends signals to processes</para>
708 <indexterm zone="ch-system-util-linux kill">
709 <primary sortas="b-kill">kill</primary>
710 </indexterm>
711 </listitem>
712 </varlistentry>
713
714 <varlistentry id="last">
715 <term><command>last</command></term>
716 <listitem>
717 <para>Shows which users last logged in (and out), searching back
718 through the <filename>/var/log/wtmp</filename> file; it also shows
719 system boots, shutdowns, and run-level changes</para>
720 <indexterm zone="ch-system-util-linux last">
721 <primary sortas="b-last">last</primary>
722 </indexterm>
723 </listitem>
724 </varlistentry>
725
726 <varlistentry id="lastb">
727 <term><command>lastb</command></term>
728 <listitem>
729 <para>Shows the failed login attempts, as logged in
730 <filename>/var/log/btmp</filename></para>
731 <indexterm zone="ch-system-util-linux lastb">
732 <primary sortas="b-lastb">lastb</primary>
733 </indexterm>
734 </listitem>
735 </varlistentry>
736
737 <varlistentry id="ldattach">
738 <term><command>ldattach</command></term>
739 <listitem>
740 <para>Attaches a line discipline to a serial line</para>
741 <indexterm zone="ch-system-util-linux ldattach">
742 <primary sortas="b-ldattach">ldattach</primary>
743 </indexterm>
744 </listitem>
745 </varlistentry>
746
747 <varlistentry id="linux32">
748 <term><command>linux32</command></term>
749 <listitem>
750 <para>A symbolic link to setarch</para>
751 <indexterm zone="ch-system-util-linux linux32">
752 <primary sortas="b-linux32">linux32</primary>
753 </indexterm>
754 </listitem>
755 </varlistentry>
756
757 <varlistentry id="linux64">
758 <term><command>linux64</command></term>
759 <listitem>
760 <para>A symbolic link to setarch</para>
761 <indexterm zone="ch-system-util-linux linux64">
762 <primary sortas="b-linux64">linux64</primary>
763 </indexterm>
764 </listitem>
765 </varlistentry>
766
767 <varlistentry id="logger">
768 <term><command>logger</command></term>
769 <listitem>
770 <para>Enters the given message into the system log</para>
771 <indexterm zone="ch-system-util-linux logger">
772 <primary sortas="b-logger">logger</primary>
773 </indexterm>
774 </listitem>
775 </varlistentry>
776
777 <varlistentry id="look">
778 <term><command>look</command></term>
779 <listitem>
780 <para>Displays lines that begin with the given string</para>
781 <indexterm zone="ch-system-util-linux look">
782 <primary sortas="b-look">look</primary>
783 </indexterm>
784 </listitem>
785 </varlistentry>
786
787 <varlistentry id="losetup">
788 <term><command>losetup</command></term>
789 <listitem>
790 <para>Sets up and controls loop devices</para>
791 <indexterm zone="ch-system-util-linux losetup">
792 <primary sortas="b-losetup">losetup</primary>
793 </indexterm>
794 </listitem>
795 </varlistentry>
796
797 <varlistentry id="lsblk">
798 <term><command>lsblk</command></term>
799 <listitem>
800 <para>Lists information about all or selected block devices in
801 a tree-like format</para>
802 <indexterm zone="ch-system-util-linux lsblk">
803 <primary sortas="b-lsblk">lsblk</primary>
804 </indexterm>
805 </listitem>
806 </varlistentry>
807
808 <varlistentry id="lscpu">
809 <term><command>lscpu</command></term>
810 <listitem>
811 <para>Prints CPU architecture information</para>
812 <indexterm zone="ch-system-util-linux lscpu">
813 <primary sortas="b-lscpu">lscpu</primary>
814 </indexterm>
815 </listitem>
816 </varlistentry>
817
818 <varlistentry id="lsipc">
819 <term><command>lsipc</command></term>
820 <listitem>
821 <para>Prints information on IPC facilities currently employed
822 in the system</para>
823 <indexterm zone="ch-system-util-linux lsipc">
824 <primary sortas="b-lsipc">lsipc</primary>
825 </indexterm>
826 </listitem>
827 </varlistentry>
828
829 <varlistentry id="lslocks">
830 <term><command>lslocks</command></term>
831 <listitem>
832 <para>Lists local system locks</para>
833 <indexterm zone="ch-system-util-linux lslocks">
834 <primary sortas="b-lslocks">lslocks</primary>
835 </indexterm>
836 </listitem>
837 </varlistentry>
838
839 <varlistentry id="lslogins">
840 <term><command>lslogins</command></term>
841 <listitem>
842 <para>Lists information about users, groups and system accounts</para>
843 <indexterm zone="ch-system-util-linux lslogins">
844 <primary sortas="b-lslogins">lslogins</primary>
845 </indexterm>
846 </listitem>
847 </varlistentry>
848
849 <varlistentry id="lsmem">
850 <term><command>lsmem</command></term>
851 <listitem>
852 <para>Lists the ranges of available memory with their online
853 status</para>
854 <indexterm zone="ch-system-util-linux lsmem">
855 <primary sortas="b-lsmem">lsmem</primary>
856 </indexterm>
857 </listitem>
858 </varlistentry>
859
860 <varlistentry id="lsns">
861 <term><command>lsns</command></term>
862 <listitem>
863 <para>Lists namespaces</para>
864 <indexterm zone="ch-system-util-linux lsns">
865 <primary sortas="b-lsns">lsns</primary>
866 </indexterm>
867 </listitem>
868 </varlistentry>
869
870 <varlistentry id="mcookie">
871 <term><command>mcookie</command></term>
872 <listitem>
873 <para>Generates magic cookies (128-bit random hexadecimal numbers) for
874 <command>xauth</command></para>
875 <indexterm zone="ch-system-util-linux mcookie">
876 <primary sortas="b-mcookie">mcookie</primary>
877 </indexterm>
878 </listitem>
879 </varlistentry>
880
881 <varlistentry id="mesg">
882 <term><command>mesg</command></term>
883 <listitem>
884 <para>Controls whether other users can send messages to the current
885 user's terminal</para>
886 <indexterm zone="ch-system-util-linux mesg">
887 <primary sortas="b-mesg">mesg</primary>
888 </indexterm>
889 </listitem>
890 </varlistentry>
891
892 <varlistentry id="mkfs">
893 <term><command>mkfs</command></term>
894 <listitem>
895 <para>Builds a file system on a device (usually a hard disk
896 partition)</para>
897 <indexterm zone="ch-system-util-linux mkfs">
898 <primary sortas="b-mkfs">mkfs</primary>
899 </indexterm>
900 </listitem>
901 </varlistentry>
902
903 <varlistentry id="mkfs.bfs">
904 <term><command>mkfs.bfs</command></term>
905 <listitem>
906 <para>Creates a Santa Cruz Operations (SCO) bfs file system</para>
907 <indexterm zone="ch-system-util-linux mkfs.bfs">
908 <primary sortas="b-mkfs.bfs">mkfs.bfs</primary>
909 </indexterm>
910 </listitem>
911 </varlistentry>
912
913 <varlistentry id="mkfs.cramfs">
914 <term><command>mkfs.cramfs</command></term>
915 <listitem>
916 <para>Creates a cramfs file system</para>
917 <indexterm zone="ch-system-util-linux mkfs.cramfs">
918 <primary sortas="b-mkfs.cramfs">mkfs.cramfs</primary>
919 </indexterm>
920 </listitem>
921 </varlistentry>
922
923 <varlistentry id="mkfs.minix">
924 <term><command>mkfs.minix</command></term>
925 <listitem>
926 <para>Creates a Minix file system</para>
927 <indexterm zone="ch-system-util-linux mkfs.minix">
928 <primary sortas="b-mkfs.minix">mkfs.minix</primary>
929 </indexterm>
930 </listitem>
931 </varlistentry>
932
933 <varlistentry id="mkswap">
934 <term><command>mkswap</command></term>
935 <listitem>
936 <para>Initializes the given device or file to be used as a swap
937 area</para>
938 <indexterm zone="ch-system-util-linux mkswap">
939 <primary sortas="b-mkswap">mkswap</primary>
940 </indexterm>
941 </listitem>
942 </varlistentry>
943
944 <varlistentry id="more">
945 <term><command>more</command></term>
946 <listitem>
947 <para>A filter for paging through text one screen at a time</para>
948 <indexterm zone="ch-system-util-linux more">
949 <primary sortas="b-more">more</primary>
950 </indexterm>
951 </listitem>
952 </varlistentry>
953
954 <varlistentry id="mount">
955 <term><command>mount</command></term>
956 <listitem>
957 <para>Attaches the file system on the given device to a specified
958 directory in the file-system tree</para>
959 <indexterm zone="ch-system-util-linux mount">
960 <primary sortas="b-mount">mount</primary>
961 </indexterm>
962 </listitem>
963 </varlistentry>
964
965 <varlistentry id="mountpoint">
966 <term><command>mountpoint</command></term>
967 <listitem>
968 <para>Checks if the directory is a mountpoint</para>
969 <indexterm zone="ch-system-util-linux mountpoint">
970 <primary sortas="b-mountpoint">mountpoint</primary>
971 </indexterm>
972 </listitem>
973 </varlistentry>
974
975 <varlistentry id="namei">
976 <term><command>namei</command></term>
977 <listitem>
978 <para>Shows the symbolic links in the given pathnames</para>
979 <indexterm zone="ch-system-util-linux namei">
980 <primary sortas="b-namei">namei</primary>
981 </indexterm>
982 </listitem>
983 </varlistentry>
984
985 <varlistentry id="nsenter">
986 <term><command>nsenter</command></term>
987 <listitem>
988 <para>Runs a program with namespaces of other processes</para>
989 <indexterm zone="ch-system-util-linux nsenter">
990 <primary sortas="b-nsenter">nsenter</primary>
991 </indexterm>
992 </listitem>
993 </varlistentry>
994
995 <varlistentry id="partx">
996 <term><command>partx</command></term>
997 <listitem>
998 <para>Tells the kernel about the presence and numbering of on-disk
999 partitions</para>
1000 <indexterm zone="ch-system-util-linux partx">
1001 <primary sortas="b-partx">partx</primary>
1002 </indexterm>
1003 </listitem>
1004 </varlistentry>
1005
1006 <varlistentry id="pivot_root">
1007 <term><command>pivot_root</command></term>
1008 <listitem>
1009 <para>Makes the given file system the new root file system of the
1010 current process</para>
1011 <indexterm zone="ch-system-util-linux pivot_root">
1012 <primary sortas="b-pivot_root">pivot_root</primary>
1013 </indexterm>
1014 </listitem>
1015 </varlistentry>
1016
1017 <varlistentry id="prlimit">
1018 <term><command>prlimit</command></term>
1019 <listitem>
1020 <para>Get and set a process' resource limits</para>
1021 <indexterm zone="ch-system-util-linux prlimit">
1022 <primary sortas="b-prlimit">prlimit</primary>
1023 </indexterm>
1024 </listitem>
1025 </varlistentry>
1026
1027 <varlistentry id="raw">
1028 <term><command>raw</command></term>
1029 <listitem>
1030 <para>Bind a Linux raw character device to a block device</para>
1031 <indexterm zone="ch-system-util-linux raw">
1032 <primary sortas="b-raw">raw</primary>
1033 </indexterm>
1034 </listitem>
1035 </varlistentry>
1036
1037 <varlistentry id="readprofile">
1038 <term><command>readprofile</command></term>
1039 <listitem>
1040 <para>Reads kernel profiling information</para>
1041 <indexterm zone="ch-system-util-linux readprofile">
1042 <primary sortas="b-readprofile">readprofile</primary>
1043 </indexterm>
1044 </listitem>
1045 </varlistentry>
1046
1047 <varlistentry id="rename">
1048 <term><command>rename</command></term>
1049 <listitem>
1050 <para>Renames the given files, replacing a given string with
1051 another</para>
1052 <indexterm zone="ch-system-util-linux rename">
1053 <primary sortas="b-rename">rename</primary>
1054 </indexterm>
1055 </listitem>
1056 </varlistentry>
1057
1058 <varlistentry id="renice">
1059 <term><command>renice</command></term>
1060 <listitem>
1061 <para>Alters the priority of running processes</para>
1062 <indexterm zone="ch-system-util-linux renice">
1063 <primary sortas="b-renice">renice</primary>
1064 </indexterm>
1065 </listitem>
1066 </varlistentry>
1067
1068 <varlistentry id="resizepart">
1069 <term><command>resizepart</command></term>
1070 <listitem>
1071 <para>Asks the Linux kernel to resize a partition</para>
1072 <indexterm zone="ch-system-util-linux resizepart">
1073 <primary sortas="b-resizepart">resizepart</primary>
1074 </indexterm>
1075 </listitem>
1076 </varlistentry>
1077
1078 <varlistentry id="rev">
1079 <term><command>rev</command></term>
1080 <listitem>
1081 <para>Reverses the lines of a given file</para>
1082 <indexterm zone="ch-system-util-linux rev">
1083 <primary sortas="b-rev">rev</primary>
1084 </indexterm>
1085 </listitem>
1086 </varlistentry>
1087
1088 <varlistentry id="rkfill">
1089 <term><command>rkfill</command></term>
1090 <listitem>
1091 <para>Tool for enabling and disabling wireless devices</para>
1092 <indexterm zone="ch-system-util-linux rkfill">
1093 <primary sortas="b-rkfill">rkfill</primary>
1094 </indexterm>
1095 </listitem>
1096 </varlistentry>
1097
1098 <varlistentry id="rtcwake">
1099 <term><command>rtcwake</command></term>
1100 <listitem>
1101 <para>Used to enter a system sleep state until specified wakeup
1102 time</para>
1103 <indexterm zone="ch-system-util-linux rtcwake">
1104 <primary sortas="b-rtcwake">rtcwake</primary>
1105 </indexterm>
1106 </listitem>
1107 </varlistentry>
1108
1109 <varlistentry id="script">
1110 <term><command>script</command></term>
1111 <listitem>
1112 <para>Makes a typescript of a terminal session</para>
1113 <indexterm zone="ch-system-util-linux script">
1114 <primary sortas="b-script">script</primary>
1115 </indexterm>
1116 </listitem>
1117 </varlistentry>
1118
1119 <varlistentry id="scriptreplay">
1120 <term><command>scriptreplay</command></term>
1121 <listitem>
1122 <para>Plays back typescripts using timing information</para>
1123 <indexterm zone="ch-system-util-linux scriptreplay">
1124 <primary sortas="b-scriptreplay">scriptreplay</primary>
1125 </indexterm>
1126 </listitem>
1127 </varlistentry>
1128
1129 <varlistentry id="setarch">
1130 <term><command>setarch</command></term>
1131 <listitem>
1132 <para>Changes reported architecture in a new program environment and
1133 sets personality flags</para>
1134 <indexterm zone="ch-system-util-linux setarch">
1135 <primary sortas="b-setarch">setarch</primary>
1136 </indexterm>
1137 </listitem>
1138 </varlistentry>
1139
1140 <varlistentry id="setsid">
1141 <term><command>setsid</command></term>
1142 <listitem>
1143 <para>Runs the given program in a new session</para>
1144 <indexterm zone="ch-system-util-linux setsid">
1145 <primary sortas="b-setsid">setsid</primary>
1146 </indexterm>
1147 </listitem>
1148 </varlistentry>
1149
1150 <varlistentry id="setterm">
1151 <term><command>setterm</command></term>
1152 <listitem>
1153 <para>Sets terminal attributes</para>
1154 <indexterm zone="ch-system-util-linux setterm">
1155 <primary sortas="b-setterm">setterm</primary>
1156 </indexterm>
1157 </listitem>
1158 </varlistentry>
1159
1160 <varlistentry id="sfdisk">
1161 <term><command>sfdisk</command></term>
1162 <listitem>
1163 <para>A disk partition table manipulator</para>
1164 <indexterm zone="ch-system-util-linux sfdisk">
1165 <primary sortas="b-sfdisk">sfdisk</primary>
1166 </indexterm>
1167 </listitem>
1168 </varlistentry>
1169
1170 <varlistentry id="sulogin">
1171 <term><command>sulogin</command></term>
1172 <listitem>
1173 <para>Allows <systemitem class="username">root</systemitem> to log in;
1174 it is normally invoked by <command>init</command> when the system goes
1175 into single user mode</para>
1176 <indexterm zone="ch-system-util-linux sulogin">
1177 <primary sortas="b-sulogin">sulogin</primary>
1178 </indexterm>
1179 </listitem>
1180 </varlistentry>
1181
1182 <varlistentry id="swaplabel">
1183 <term><command>swaplabel</command></term>
1184 <listitem>
1185 <para>Allows to change swaparea UUID and label</para>
1186 <indexterm zone="ch-system-util-linux swaplabel">
1187 <primary sortas="b-swaplabel">swaplabel</primary>
1188 </indexterm>
1189 </listitem>
1190 </varlistentry>
1191
1192 <varlistentry id="swapoff">
1193 <term><command>swapoff</command></term>
1194 <listitem>
1195 <para>Disables devices and files for paging and swapping</para>
1196 <indexterm zone="ch-system-util-linux swapoff">
1197 <primary sortas="b-swapoff">swapoff</primary>
1198 </indexterm>
1199 </listitem>
1200 </varlistentry>
1201
1202 <varlistentry id="swapon">
1203 <term><command>swapon</command></term>
1204 <listitem>
1205 <para>Enables devices and files for paging and swapping and
1206 lists the devices and files currently in use</para>
1207 <indexterm zone="ch-system-util-linux swapon">
1208 <primary sortas="b-swapon">swapon</primary>
1209 </indexterm>
1210 </listitem>
1211 </varlistentry>
1212
1213 <varlistentry id="switch_root">
1214 <term><command>switch_root</command></term>
1215 <listitem>
1216 <para>Switches to another filesystem as the root of the mount tree</para>
1217 <indexterm zone="ch-system-util-linux switch_root">
1218 <primary sortas="b-switch_root">switch_root</primary>
1219 </indexterm>
1220 </listitem>
1221 </varlistentry>
1222
1223 <varlistentry id="tailf">
1224 <term><command>tailf</command></term>
1225 <listitem>
1226 <para>Tracks the growth of a log file; displays the last 10 lines
1227 of a log file, then continues displaying any new entries in the
1228 log file as they are created</para>
1229 <indexterm zone="ch-system-util-linux tailf">
1230 <primary sortas="b-tailf">tailf</primary>
1231 </indexterm>
1232 </listitem>
1233 </varlistentry>
1234
1235 <varlistentry id="taskset">
1236 <term><command>taskset</command></term>
1237 <listitem>
1238 <para>Retrieves or sets a process' CPU affinity</para>
1239 <indexterm zone="ch-system-util-linux taskset">
1240 <primary sortas="b-taskset">taskset</primary>
1241 </indexterm>
1242 </listitem>
1243 </varlistentry>
1244
1245 <varlistentry id="ul">
1246 <term><command>ul</command></term>
1247 <listitem>
1248 <para>A filter for translating underscores into escape sequences
1249 indicating underlining for the terminal in use</para>
1250 <indexterm zone="ch-system-util-linux ul">
1251 <primary sortas="b-ul">ul</primary>
1252 </indexterm>
1253 </listitem>
1254 </varlistentry>
1255
1256 <varlistentry id="umount">
1257 <term><command>umount</command></term>
1258 <listitem>
1259 <para>Disconnects a file system from the system's file tree</para>
1260 <indexterm zone="ch-system-util-linux umount">
1261 <primary sortas="b-umount">umount</primary>
1262 </indexterm>
1263 </listitem>
1264 </varlistentry>
1265
1266 <varlistentry id="uname26">
1267 <term><command>uname26</command></term>
1268 <listitem>
1269 <para>A symbolic link to setarch</para>
1270 <indexterm zone="ch-system-util-linux uname26">
1271 <primary sortas="b-uname26">uname26</primary>
1272 </indexterm>
1273 </listitem>
1274 </varlistentry>
1275
1276 <varlistentry id="unshare">
1277 <term><command>unshare</command></term>
1278 <listitem>
1279 <para>Runs a program with some namespaces unshared from parent</para>
1280 <indexterm zone="ch-system-util-linux unshare">
1281 <primary sortas="b-unshare">unshare</primary>
1282 </indexterm>
1283 </listitem>
1284 </varlistentry>
1285
1286 <varlistentry id="utmpdump">
1287 <term><command>utmpdump</command></term>
1288 <listitem>
1289 <para>Displays the content of the given login file in a more
1290 user-friendly format</para>
1291 <indexterm zone="ch-system-util-linux utmpdump">
1292 <primary sortas="b-utmpdump">utmpdump</primary>
1293 </indexterm>
1294 </listitem>
1295 </varlistentry>
1296
1297 <varlistentry id="uuidd">
1298 <term><command>uuidd</command></term>
1299 <listitem>
1300 <para>A daemon used by the UUID library to generate time-based
1301 UUIDs in a secure and guaranteed-unique fashion</para>
1302 <indexterm zone="ch-system-util-linux uuidd">
1303 <primary sortas="b-uuidd">uuidd</primary>
1304 </indexterm>
1305 </listitem>
1306 </varlistentry>
1307
1308 <varlistentry id="uuidgen">
1309 <term><command>uuidgen</command></term>
1310 <listitem>
1311 <para>Creates new UUIDs. Each new UUID can reasonably be considered
1312 unique among all UUIDs created, on the local system and on other
1313 systems, in the past and in the future</para>
1314 <indexterm zone="ch-system-util-linux uuidgen">
1315 <primary sortas="b-uuidgen">uuidgen</primary>
1316 </indexterm>
1317 </listitem>
1318 </varlistentry>
1319
1320 <varlistentry id="uuidparse">
1321 <term><command>uuidparse</command></term>
1322 <listitem>
1323 <para>An utility to parse unique identifiers</para>
1324 <indexterm zone="ch-system-util-linux uuidparse">
1325 <primary sortas="b-uuidparse">uuidparse</primary>
1326 </indexterm>
1327 </listitem>
1328 </varlistentry>
1329
1330 <varlistentry id="wall">
1331 <term><command>wall</command></term>
1332 <listitem>
1333 <para>Displays the contents of a file or, by default, its standard
1334 input, on the terminals of all currently logged in users</para>
1335 <indexterm zone="ch-system-util-linux wall">
1336 <primary sortas="b-wall">wall</primary>
1337 </indexterm>
1338 </listitem>
1339 </varlistentry>
1340
1341 <varlistentry id="wdctl">
1342 <term><command>wdctl</command></term>
1343 <listitem>
1344 <para>Shows hardware watchdog status</para>
1345 <indexterm zone="ch-system-util-linux wdctl">
1346 <primary sortas="b-wdctl">wdctl</primary>
1347 </indexterm>
1348 </listitem>
1349 </varlistentry>
1350
1351 <varlistentry id="whereis">
1352 <term><command>whereis</command></term>
1353 <listitem>
1354 <para>Reports the location of the binary, source, and man page
1355 for the given command</para>
1356 <indexterm zone="ch-system-util-linux whereis">
1357 <primary sortas="b-whereis">whereis</primary>
1358 </indexterm>
1359 </listitem>
1360 </varlistentry>
1361
1362 <varlistentry id="wipefs">
1363 <term><command>wipefs</command></term>
1364 <listitem>
1365 <para>Wipes a filesystem signature from a device</para>
1366 <indexterm zone="ch-system-util-linux wipefs">
1367 <primary sortas="b-wipefs">wipefs</primary>
1368 </indexterm>
1369 </listitem>
1370 </varlistentry>
1371
1372 <varlistentry id="x86_64">
1373 <term><command>x86_64</command></term>
1374 <listitem>
1375 <para>A symbolic link to setarch</para>
1376 <indexterm zone="ch-system-util-linux x86_64">
1377 <primary sortas="b-x86_64">x86_64</primary>
1378 </indexterm>
1379 </listitem>
1380 </varlistentry>
1381
1382 <varlistentry id="zramctl">
1383 <term><command>zramctl</command></term>
1384 <listitem>
1385 <para>A program to set up and control zram (compressed ram disk)
1386 devices</para>
1387 <indexterm zone="ch-system-util-linux zramctl">
1388 <primary sortas="b-zramctl">zramctl</primary>
1389 </indexterm>
1390 </listitem>
1391 </varlistentry>
1392
1393 <varlistentry id="libblkid">
1394 <term><filename class="libraryfile">libblkid</filename></term>
1395 <listitem>
1396 <para>Contains routines for device identification and token
1397 extraction</para>
1398 <indexterm zone="ch-system-util-linux libblkid">
1399 <primary sortas="c-libblkid">libblkid</primary>
1400 </indexterm>
1401 </listitem>
1402 </varlistentry>
1403
1404 <varlistentry id="libfdisk">
1405 <term><filename class="libraryfile">libfdisk</filename></term>
1406 <listitem>
1407 <para>Contains routines for manipulating partition tables</para>
1408 <indexterm zone="ch-system-util-linux libfdisk">
1409 <primary sortas="c-libfdisk">libfdisk</primary>
1410 </indexterm>
1411 </listitem>
1412 </varlistentry>
1413
1414 <varlistentry id="libmount">
1415 <term><filename class="libraryfile">libmount</filename></term>
1416 <listitem>
1417 <para>Contains routines for block device mounting and
1418 unmounting</para>
1419 <indexterm zone="ch-system-util-linux libmount">
1420 <primary sortas="c-libmount">libmount</primary>
1421 </indexterm>
1422 </listitem>
1423 </varlistentry>
1424
1425 <varlistentry id="libsmartcols">
1426 <term><filename class="libraryfile">libsmartcols</filename></term>
1427 <listitem>
1428 <para>Contains routines for aiding screen output in tabular form</para>
1429 <indexterm zone="ch-system-util-linux libsmartcols">
1430 <primary sortas="c-libsmartcols">libsmartcols</primary>
1431 </indexterm>
1432 </listitem>
1433 </varlistentry>
1434
1435 <varlistentry id="libuuid">
1436 <term><filename class="libraryfile">libuuid</filename></term>
1437 <listitem>
1438 <para>Contains routines for generating unique identifiers for objects
1439 that may be accessible beyond the local system</para>
1440 <indexterm zone="ch-system-util-linux libuuid">
1441 <primary sortas="c-libuuid">libuuid</primary>
1442 </indexterm>
1443 </listitem>
1444 </varlistentry>
1445
1446 </variablelist>
1447
1448 </sect2>
1449
1450</sect1>
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