source: chapter06/util-linux.xml@ 7119213

10.0 10.0-rc1 10.1 10.1-rc1 11.0 11.0-rc1 11.0-rc2 11.0-rc3 11.1 11.1-rc1 11.2 11.2-rc1 11.3 11.3-rc1 12.0 12.0-rc1 12.1 12.1-rc1 6.3 6.4 6.5 6.6 6.7 6.8 7.0 7.1 7.2 7.3 7.4 7.5 7.5-systemd 7.6 7.6-systemd 7.7 7.7-systemd 7.8 7.8-systemd 7.9 7.9-systemd 8.0 8.1 8.2 8.3 8.4 9.0 9.1 arm bdubbs/gcc13 ml-11.0 multilib renodr/libudev-from-systemd s6-init trunk xry111/arm64 xry111/arm64-12.0 xry111/clfs-ng xry111/lfs-next xry111/loongarch xry111/loongarch-12.0 xry111/loongarch-12.1 xry111/mips64el xry111/pip3 xry111/rust-wip-20221008 xry111/update-glibc
Last change on this file since 7119213 was 7119213, checked in by Archaic <archaic@…>, 18 years ago

Removed boot logging rule from /etc/syslog.conf and removed the command to move logger to /bin. (ticket #1746).

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@7513 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

  • Property mode set to 100644
File size: 26.1 KB
Line 
1<?xml version="1.0" encoding="ISO-8859-1"?>
2<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN"
3 "http://www.oasis-open.org/docbook/xml/4.4/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 <title>Util-linux-&util-linux-version;</title>
12
13 <indexterm zone="ch-system-util-linux">
14 <primary sortas="a-Util-linux">Util-linux</primary>
15 </indexterm>
16
17 <sect2 role="package">
18 <title/>
19
20 <para>The Util-linux package contains miscellaneous utility programs. Among
21 them are utilities for handling file systems, consoles, partitions, and
22 messages.</para>
23
24 <segmentedlist>
25 <segtitle>&buildtime;</segtitle>
26 <segtitle>&diskspace;</segtitle>
27
28 <seglistitem>
29 <seg>0.2 SBU</seg>
30 <seg>11.6 MB</seg>
31 </seglistitem>
32 </segmentedlist>
33
34 <segmentedlist>
35 <segtitle>&dependencies;</segtitle>
36
37 <seglistitem>
38 <seg>Bash, Binutils, Coreutils, Diffutils, GCC, Gettext, Glibc,
39 Grep, Make, Ncurses, Patch, Sed, and Zlib</seg>
40 </seglistitem>
41 </segmentedlist>
42
43 </sect2>
44
45 <sect2 role="installation">
46 <title>FHS compliance notes</title>
47
48 <para>The FHS recommends using the <filename
49 class="directory">/var/lib/hwclock</filename> directory instead of the
50 usual <filename class="directory">/etc</filename> directory as the
51 location for the <filename>adjtime</filename> file. To make the
52 <command>hwclock</command> program FHS-compliant, run the
53 following:</para>
54
55<screen><userinput>sed -i 's@etc/adjtime@var/lib/hwclock/adjtime@g' \
56 hwclock/hwclock.c
57mkdir -p /var/lib/hwclock</userinput></screen>
58
59 </sect2>
60
61 <sect2 role="installation">
62 <title>Installation of Util-linux</title>
63
64 <para>Util-linux fails to compile against newer versions of Linux-Libc-Headers.
65 The following patch properly fixes this issue:</para>
66
67<screen><userinput>patch -Np1 -i ../&util-linux-cramfs-patch;</userinput></screen>
68
69 <para>Prepare Util-linux for compilation:</para>
70
71<screen><userinput>./configure</userinput></screen>
72
73 <para>Compile the package:</para>
74
75<screen><userinput>make HAVE_KILL=yes HAVE_SLN=yes</userinput></screen>
76
77 <variablelist>
78 <title>The meaning of the make parameters:</title>
79
80 <varlistentry>
81 <term><parameter>HAVE_KILL=yes</parameter></term>
82 <listitem>
83 <para>This prevents the <command>kill</command> program (already
84 installed by Procps) from being built and installed again.</para>
85 </listitem>
86 </varlistentry>
87
88 <varlistentry>
89 <term><parameter>HAVE_SLN=yes</parameter></term>
90 <listitem>
91 <para>This prevents the <command>sln</command> program (a
92 statically linked version of <command>ln</command> already installed
93 by Glibc) from being built and installed again.</para>
94 </listitem>
95 </varlistentry>
96
97 </variablelist>
98
99 <para>This package does not come with a test suite.</para>
100
101 <para>Install the package:</para>
102
103<screen><userinput>make HAVE_KILL=yes HAVE_SLN=yes install</userinput></screen>
104
105 </sect2>
106
107 <sect2 id="contents-utillinux" role="content">
108 <title>Contents of Util-linux</title>
109
110 <segmentedlist>
111 <segtitle>Installed programs</segtitle>
112
113 <seglistitem>
114 <seg>agetty, arch, blockdev, cal, cfdisk, chkdupexe, col, colcrt,
115 colrm, column, ctrlaltdel, cytune, ddate, dmesg, elvtune, fdformat,
116 fdisk, fsck.cramfs, fsck.minix, getopt, hexdump, hwclock, ipcrm,
117 ipcs, isosize, line, logger, look, losetup, mcookie, mkfs, mkfs.bfs,
118 mkfs.cramfs, mkfs.minix, mkswap, more, mount, namei, pg, pivot_root,
119 ramsize (link to rdev), raw, rdev, readprofile, rename, renice, rev,
120 rootflags (link to rdev), script, setfdprm, setsid, setterm, sfdisk,
121 swapdev, swapoff (link to swapon), swapon, tunelp, ul, umount, vidmode
122 (link to rdev), whereis, and write</seg>
123 </seglistitem>
124 </segmentedlist>
125
126 <variablelist>
127 <bridgehead renderas="sect3">Short Descriptions</bridgehead>
128 <?dbfo list-presentation="list"?>
129 <?dbhtml list-presentation="table"?>
130
131 <varlistentry id="agetty">
132 <term><command>agetty</command></term>
133 <listitem>
134 <para>Opens a tty port, prompts for a login name,
135 and then invokes the <command>login</command> program</para>
136 <indexterm zone="ch-system-util-linux agetty">
137 <primary sortas="b-agetty">agetty</primary>
138 </indexterm>
139 </listitem>
140 </varlistentry>
141
142 <varlistentry id="arch">
143 <term><command>arch</command></term>
144 <listitem>
145 <para>Reports the machine's architecture</para>
146 <indexterm zone="ch-system-util-linux arch">
147 <primary sortas="b-arch">arch</primary>
148 </indexterm>
149 </listitem>
150 </varlistentry>
151
152 <varlistentry id="blockdev">
153 <term><command>blockdev</command></term>
154 <listitem>
155 <para>Allows users to call block device ioctls from the command
156 line</para>
157 <indexterm zone="ch-system-util-linux blockdev">
158 <primary sortas="b-blockdev">blockdev</primary>
159 </indexterm>
160 </listitem>
161 </varlistentry>
162
163 <varlistentry id="cal">
164 <term><command>cal</command></term>
165 <listitem>
166 <para>Displays a simple calendar</para>
167 <indexterm zone="ch-system-util-linux cal">
168 <primary sortas="b-cal">cal</primary>
169 </indexterm>
170 </listitem>
171 </varlistentry>
172
173 <varlistentry id="cfdisk">
174 <term><command>cfdisk</command></term>
175 <listitem>
176 <para>Manipulates the partition table of the given device</para>
177 <indexterm zone="ch-system-util-linux cfdisk">
178 <primary sortas="b-cfdisk">cfdisk</primary>
179 </indexterm>
180 </listitem>
181 </varlistentry>
182
183 <varlistentry id="chkdupexe">
184 <term><command>chkdupexe</command></term>
185 <listitem>
186 <para>Finds duplicate executables</para>
187 <indexterm zone="ch-system-util-linux chkdupexe">
188 <primary sortas="b-chkdupexe">chkdupexe</primary>
189 </indexterm>
190 </listitem>
191 </varlistentry>
192
193 <varlistentry id="col">
194 <term><command>col</command></term>
195 <listitem>
196 <para>Filters out reverse line feeds</para>
197 <indexterm zone="ch-system-util-linux col">
198 <primary sortas="b-col">col</primary>
199 </indexterm>
200 </listitem>
201 </varlistentry>
202
203 <varlistentry id="colcrt">
204 <term><command>colcrt</command></term>
205 <listitem>
206 <para>Filters <command>nroff</command> output for terminals
207 that lack some capabilities, such as overstriking and half-lines</para>
208 <indexterm zone="ch-system-util-linux colcrt">
209 <primary sortas="b-colcrt">colcrt</primary>
210 </indexterm>
211 </listitem>
212 </varlistentry>
213
214 <varlistentry id="colrm">
215 <term><command>colrm</command></term>
216 <listitem>
217 <para>Filters out the given columns</para>
218 <indexterm zone="ch-system-util-linux colrm">
219 <primary sortas="b-colrm">colrm</primary>
220 </indexterm>
221 </listitem>
222 </varlistentry>
223
224 <varlistentry id="column">
225 <term><command>column</command></term>
226 <listitem>
227 <para>Formats a given file into multiple columns</para>
228 <indexterm zone="ch-system-util-linux column">
229 <primary sortas="b-column">column</primary>
230 </indexterm>
231 </listitem>
232 </varlistentry>
233
234 <varlistentry id="ctrlaltdel">
235 <term><command>ctrlaltdel</command></term>
236 <listitem>
237 <para>Sets the function of the Ctrl+Alt+Del key combination to a
238 hard or a soft reset</para>
239 <indexterm zone="ch-system-util-linux ctrlaltdel">
240 <primary sortas="b-ctrlaltdel">ctrlaltdel</primary>
241 </indexterm>
242 </listitem>
243 </varlistentry>
244
245 <varlistentry id="cytune">
246 <term><command>cytune</command></term>
247 <listitem>
248 <para>Tunes the parameters of the serial line drivers for
249 Cyclades cards</para>
250 <indexterm zone="ch-system-util-linux cytune">
251 <primary sortas="b-cytune">cytune</primary>
252 </indexterm>
253 </listitem>
254 </varlistentry>
255
256 <varlistentry id="ddate">
257 <term><command>ddate</command></term>
258 <listitem>
259 <para>Gives the Discordian date or converts the given Gregorian date
260 to a Discordian one</para>
261 <indexterm zone="ch-system-util-linux ddate">
262 <primary sortas="b-ddate">ddate</primary>
263 </indexterm>
264 </listitem>
265 </varlistentry>
266
267 <varlistentry id="dmesg">
268 <term><command>dmesg</command></term>
269 <listitem>
270 <para>Dumps the kernel boot messages</para>
271 <indexterm zone="ch-system-util-linux dmesg">
272 <primary sortas="b-dmesg">dmesg</primary>
273 </indexterm>
274 </listitem>
275 </varlistentry>
276
277 <varlistentry id="elvtune">
278 <term><command>elvtune</command></term>
279 <listitem>
280 <para>Tunes the performance and interactivity of a block
281 device</para>
282 <indexterm zone="ch-system-util-linux elvtune">
283 <primary sortas="b-elvtune">elvtune</primary>
284 </indexterm>
285 </listitem>
286 </varlistentry>
287
288 <varlistentry id="fdformat">
289 <term><command>fdformat</command></term>
290 <listitem>
291 <para>Low-level formats a floppy disk</para>
292 <indexterm zone="ch-system-util-linux fdformat">
293 <primary sortas="b-fdformat">fdformat</primary>
294 </indexterm>
295 </listitem>
296 </varlistentry>
297
298 <varlistentry id="fdisk">
299 <term><command>fdisk</command></term>
300 <listitem>
301 <para>Manipulates the partition table of the given device</para>
302 <indexterm zone="ch-system-util-linux fdisk">
303 <primary sortas="b-fdisk">fdisk</primary>
304 </indexterm>
305 </listitem>
306 </varlistentry>
307
308 <varlistentry id="fsck.cramfs">
309 <term><command>fsck.cramfs</command></term>
310 <listitem>
311 <para>Performs a consistency check on the Cramfs file system on the
312 given device</para>
313 <indexterm zone="ch-system-util-linux fsck.cramfs">
314 <primary sortas="b-fsck.cramfs">fsck.cramfs</primary>
315 </indexterm>
316 </listitem>
317 </varlistentry>
318
319 <varlistentry id="fsck.minix">
320 <term><command>fsck.minix</command></term>
321 <listitem>
322 <para>Performs a consistency check on the Minix file system on the
323 given device</para>
324 <indexterm zone="ch-system-util-linux fsck.minix">
325 <primary sortas="b-fsck.minix">fsck.minix</primary>
326 </indexterm>
327 </listitem>
328 </varlistentry>
329
330 <varlistentry id="getopt">
331 <term><command>getopt</command></term>
332 <listitem>
333 <para>Parses options in the given command line</para>
334 <indexterm zone="ch-system-util-linux getopt">
335 <primary sortas="b-getopt">getopt</primary>
336 </indexterm>
337 </listitem>
338 </varlistentry>
339
340 <varlistentry id="hexdump">
341 <term><command>hexdump</command></term>
342 <listitem>
343 <para>Dumps the given file in hexadecimal or in another given
344 format</para>
345 <indexterm zone="ch-system-util-linux hexdump">
346 <primary sortas="b-hexdump">hexdump</primary>
347 </indexterm>
348 </listitem>
349 </varlistentry>
350
351 <varlistentry id="hwclock">
352 <term><command>hwclock</command></term>
353 <listitem>
354 <para>Reads or sets the system's hardware clock, also called
355 the Real-Time Clock (RTC) or Basic Input-Output System (BIOS)
356 clock</para>
357 <indexterm zone="ch-system-util-linux hwclock">
358 <primary sortas="b-hwclock">hwclock</primary>
359 </indexterm>
360 </listitem>
361 </varlistentry>
362
363 <varlistentry id="ipcrm">
364 <term><command>ipcrm</command></term>
365 <listitem>
366 <para>Removes the given Inter-Process Communication (IPC) resource</para>
367 <indexterm zone="ch-system-util-linux ipcrm">
368 <primary sortas="b-ipcrm">ipcrm</primary>
369 </indexterm>
370 </listitem>
371 </varlistentry>
372
373 <varlistentry id="ipcs">
374 <term><command>ipcs</command></term>
375 <listitem>
376 <para>Provides IPC status information</para>
377 <indexterm zone="ch-system-util-linux ipcs">
378 <primary sortas="b-ipcs">ipcs</primary>
379 </indexterm>
380 </listitem>
381 </varlistentry>
382
383 <varlistentry id="isosize">
384 <term><command>isosize</command></term>
385 <listitem>
386 <para>Reports the size of an iso9660 file system</para>
387 <indexterm zone="ch-system-util-linux isosize">
388 <primary sortas="b-isosize">isosize</primary>
389 </indexterm>
390 </listitem>
391 </varlistentry>
392
393 <varlistentry id="line">
394 <term><command>line</command></term>
395 <listitem>
396 <para>Copies a single line</para>
397 <indexterm zone="ch-system-util-linux line">
398 <primary sortas="b-line">line</primary>
399 </indexterm>
400 </listitem>
401 </varlistentry>
402
403 <varlistentry id="logger">
404 <term><command>logger</command></term>
405 <listitem>
406 <para>Enters the given message into the system log</para>
407 <indexterm zone="ch-system-util-linux logger">
408 <primary sortas="b-logger">logger</primary>
409 </indexterm>
410 </listitem>
411 </varlistentry>
412
413 <varlistentry id="look">
414 <term><command>look</command></term>
415 <listitem>
416 <para>Displays lines that begin with the given string</para>
417 <indexterm zone="ch-system-util-linux look">
418 <primary sortas="b-look">look</primary>
419 </indexterm>
420 </listitem>
421 </varlistentry>
422
423 <varlistentry id="losetup">
424 <term><command>losetup</command></term>
425 <listitem>
426 <para>Sets up and controls loop devices</para>
427 <indexterm zone="ch-system-util-linux losetup">
428 <primary sortas="b-losetup">losetup</primary>
429 </indexterm>
430 </listitem>
431 </varlistentry>
432
433 <varlistentry id="mcookie">
434 <term><command>mcookie</command></term>
435 <listitem>
436 <para>Generates magic cookies (128-bit random hexadecimal numbers) for
437 <command>xauth</command></para>
438 <indexterm zone="ch-system-util-linux mcookie">
439 <primary sortas="b-mcookie">mcookie</primary>
440 </indexterm>
441 </listitem>
442 </varlistentry>
443
444 <varlistentry id="mkfs">
445 <term><command>mkfs</command></term>
446 <listitem>
447 <para>Builds a file system on a device (usually a hard disk
448 partition)</para>
449 <indexterm zone="ch-system-util-linux mkfs">
450 <primary sortas="b-mkfs">mkfs</primary>
451 </indexterm>
452 </listitem>
453 </varlistentry>
454
455 <varlistentry id="mkfs.bfs">
456 <term><command>mkfs.bfs</command></term>
457 <listitem>
458 <para>Creates a Santa Cruz Operations (SCO) bfs file system</para>
459 <indexterm zone="ch-system-util-linux mkfs.bfs">
460 <primary sortas="b-mkfs.bfs">mkfs.bfs</primary>
461 </indexterm>
462 </listitem>
463 </varlistentry>
464
465 <varlistentry id="mkfs.cramfs">
466 <term><command>mkfs.cramfs</command></term>
467 <listitem>
468 <para>Creates a cramfs file system</para>
469 <indexterm zone="ch-system-util-linux mkfs.cramfs">
470 <primary sortas="b-mkfs.cramfs">mkfs.cramfs</primary>
471 </indexterm>
472 </listitem>
473 </varlistentry>
474
475 <varlistentry id="mkfs.minix">
476 <term><command>mkfs.minix</command></term>
477 <listitem>
478 <para>Creates a Minix file system</para>
479 <indexterm zone="ch-system-util-linux mkfs.minix">
480 <primary sortas="b-mkfs.minix">mkfs.minix</primary>
481 </indexterm>
482 </listitem>
483 </varlistentry>
484
485 <varlistentry id="mkswap">
486 <term><command>mkswap</command></term>
487 <listitem>
488 <para>Initializes the given device or file to be used as a swap
489 area</para>
490 <indexterm zone="ch-system-util-linux mkswap">
491 <primary sortas="b-mkswap">mkswap</primary>
492 </indexterm>
493 </listitem>
494 </varlistentry>
495
496 <varlistentry id="more">
497 <term><command>more</command></term>
498 <listitem>
499 <para>A filter for paging through text one screen at a time</para>
500 <indexterm zone="ch-system-util-linux more">
501 <primary sortas="b-more">more</primary>
502 </indexterm>
503 </listitem>
504 </varlistentry>
505
506 <varlistentry id="mount">
507 <term><command>mount</command></term>
508 <listitem>
509 <para>Attaches the file system on the given device to a specified
510 directory in the file-system tree</para>
511 <indexterm zone="ch-system-util-linux mount">
512 <primary sortas="b-mount">mount</primary>
513 </indexterm>
514 </listitem>
515 </varlistentry>
516
517 <varlistentry id="namei">
518 <term><command>namei</command></term>
519 <listitem>
520 <para>Shows the symbolic links in the given pathnames</para>
521 <indexterm zone="ch-system-util-linux namei">
522 <primary sortas="b-namei">namei</primary>
523 </indexterm>
524 </listitem>
525 </varlistentry>
526
527 <varlistentry id="pg">
528 <term><command>pg</command></term>
529 <listitem>
530 <para>Displays a text file one screen full at a time</para>
531 <indexterm zone="ch-system-util-linux pg">
532 <primary sortas="b-pg">pg</primary>
533 </indexterm>
534 </listitem>
535 </varlistentry>
536
537 <varlistentry id="pivot_root">
538 <term><command>pivot_root</command></term>
539 <listitem>
540 <para>Makes the given file system the new root file system of the
541 current process</para>
542 <indexterm zone="ch-system-util-linux pivot_root">
543 <primary sortas="b-pivot_root">pivot_root</primary>
544 </indexterm>
545 </listitem>
546 </varlistentry>
547
548 <varlistentry id="ramsize">
549 <term><command>ramsize</command></term>
550 <listitem>
551 <para>Sets the size of the RAM disk in a bootable image</para>
552 <indexterm zone="ch-system-util-linux ramsize">
553 <primary sortas="b-ramsize">ramsize</primary>
554 </indexterm>
555 </listitem>
556 </varlistentry>
557
558 <varlistentry id="raw">
559 <term><command>raw</command></term>
560 <listitem>
561 <para>Used to bind a Linux raw character device to a block
562 device</para>
563 <indexterm zone="ch-system-util-linux raw">
564 <primary sortas="b-raw">raw</primary>
565 </indexterm>
566 </listitem>
567 </varlistentry>
568
569 <varlistentry id="rdev">
570 <term><command>rdev</command></term>
571 <listitem>
572 <para>Queries and sets the root device, among other things, in a
573 bootable image</para>
574 <indexterm zone="ch-system-util-linux rdev">
575 <primary sortas="b-rdev">rdev</primary>
576 </indexterm>
577 </listitem>
578 </varlistentry>
579
580 <varlistentry id="readprofile">
581 <term><command>readprofile</command></term>
582 <listitem>
583 <para>Reads kernel profiling information</para>
584 <indexterm zone="ch-system-util-linux readprofile">
585 <primary sortas="b-readprofile">readprofile</primary>
586 </indexterm>
587 </listitem>
588 </varlistentry>
589
590 <varlistentry id="rename">
591 <term><command>rename</command></term>
592 <listitem>
593 <para>Renames the given files, replacing a given string with
594 another</para>
595 <indexterm zone="ch-system-util-linux rename">
596 <primary sortas="b-rename">rename</primary>
597 </indexterm>
598 </listitem>
599 </varlistentry>
600
601 <varlistentry id="renice">
602 <term><command>renice</command></term>
603 <listitem>
604 <para>Alters the priority of running processes</para>
605 <indexterm zone="ch-system-util-linux renice">
606 <primary sortas="b-renice">renice</primary>
607 </indexterm>
608 </listitem>
609 </varlistentry>
610
611 <varlistentry id="rev">
612 <term><command>rev</command></term>
613 <listitem>
614 <para>Reverses the lines of a given file</para>
615 <indexterm zone="ch-system-util-linux rev">
616 <primary sortas="b-rev">rev</primary>
617 </indexterm>
618 </listitem>
619 </varlistentry>
620
621 <varlistentry id="rootflags">
622 <term><command>rootflags</command></term>
623 <listitem>
624 <para>Sets the rootflags in a bootable image</para>
625 <indexterm zone="ch-system-util-linux rootflags">
626 <primary sortas="b-rootflags">rootflags</primary>
627 </indexterm>
628 </listitem>
629 </varlistentry>
630
631 <varlistentry id="script">
632 <term><command>script</command></term>
633 <listitem>
634 <para>Makes a typescript of a terminal session</para>
635 <indexterm zone="ch-system-util-linux script">
636 <primary sortas="b-script">script</primary>
637 </indexterm>
638 </listitem>
639 </varlistentry>
640
641 <varlistentry id="setfdprm">
642 <term><command>setfdprm</command></term>
643 <listitem>
644 <para>Sets user-provided floppy disk parameters</para>
645 <indexterm zone="ch-system-util-linux setfdprm">
646 <primary sortas="b-setfdprm">setfdprm</primary>
647 </indexterm>
648 </listitem>
649 </varlistentry>
650
651 <varlistentry id="setsid">
652 <term><command>setsid</command></term>
653 <listitem>
654 <para>Runs the given program in a new session</para>
655 <indexterm zone="ch-system-util-linux setsid">
656 <primary sortas="b-setsid">setsid</primary>
657 </indexterm>
658 </listitem>
659 </varlistentry>
660
661 <varlistentry id="setterm">
662 <term><command>setterm</command></term>
663 <listitem>
664 <para>Sets terminal attributes</para>
665 <indexterm zone="ch-system-util-linux setterm">
666 <primary sortas="b-setterm">setterm</primary>
667 </indexterm>
668 </listitem>
669 </varlistentry>
670
671 <varlistentry id="sfdisk">
672 <term><command>sfdisk</command></term>
673 <listitem>
674 <para>A disk partition table manipulator</para>
675 <indexterm zone="ch-system-util-linux sfdisk">
676 <primary sortas="b-sfdisk">sfdisk</primary>
677 </indexterm>
678 </listitem>
679 </varlistentry>
680
681 <varlistentry id="swapdev">
682 <term><command>swapdev</command></term>
683 <listitem>
684 <para>Sets the swap device in a bootable image</para>
685 <indexterm zone="ch-system-util-linux swapdev">
686 <primary sortas="b-swapdev">swapdev</primary>
687 </indexterm>
688 </listitem>
689 </varlistentry>
690
691 <varlistentry id="swapoff">
692 <term><command>swapoff</command></term>
693 <listitem>
694 <para>Disables devices and files for paging and swapping</para>
695 <indexterm zone="ch-system-util-linux swapoff">
696 <primary sortas="b-swapoff">swapoff</primary>
697 </indexterm>
698 </listitem>
699 </varlistentry>
700
701 <varlistentry id="swapon">
702 <term><command>swapon</command></term>
703 <listitem>
704 <para>Enables devices and files for paging and swapping and
705 lists the devices and files currently in use</para>
706 <indexterm zone="ch-system-util-linux swapon">
707 <primary sortas="b-swapon">swapon</primary>
708 </indexterm>
709 </listitem>
710 </varlistentry>
711
712 <varlistentry id="tunelp">
713 <term><command>tunelp</command></term>
714 <listitem>
715 <para>Tunes the parameters of the line printer</para>
716 <indexterm zone="ch-system-util-linux tunelp">
717 <primary sortas="b-tunelp">tunelp</primary>
718 </indexterm>
719 </listitem>
720 </varlistentry>
721
722 <varlistentry id="ul">
723 <term><command>ul</command></term>
724 <listitem>
725 <para>A filter for translating underscores into escape sequences
726 indicating underlining for the terminal in use</para>
727 <indexterm zone="ch-system-util-linux ul">
728 <primary sortas="b-ul">ul</primary>
729 </indexterm>
730 </listitem>
731 </varlistentry>
732
733 <varlistentry id="umount">
734 <term><command>umount</command></term>
735 <listitem>
736 <para>Disconnects a file system from the system's file tree</para>
737 <indexterm zone="ch-system-util-linux umount">
738 <primary sortas="b-umount">umount</primary>
739 </indexterm>
740 </listitem>
741 </varlistentry>
742
743 <varlistentry id="vidmode">
744 <term><command>vidmode</command></term>
745 <listitem>
746 <para>Sets the video mode in a bootable image</para>
747 <indexterm zone="ch-system-util-linux vidmode">
748 <primary sortas="b-vidmode">vidmode</primary>
749 </indexterm>
750 </listitem>
751 </varlistentry>
752
753 <varlistentry id="whereis">
754 <term><command>whereis</command></term>
755 <listitem>
756 <para>Reports the location of the binary, source, and man page
757 for the given command</para>
758 <indexterm zone="ch-system-util-linux whereis">
759 <primary sortas="b-whereis">whereis</primary>
760 </indexterm>
761 </listitem>
762 </varlistentry>
763
764 <varlistentry id="write">
765 <term><command>write</command></term>
766 <listitem>
767 <para>Sends a message to the given user <emphasis>if</emphasis> that
768 user has not disabled receipt of such messages</para>
769 <indexterm zone="ch-system-util-linux write">
770 <primary sortas="b-write">write</primary>
771 </indexterm>
772 </listitem>
773 </varlistentry>
774
775 </variablelist>
776
777 </sect2>
778
779</sect1>
Note: See TracBrowser for help on using the repository browser.