source: chapter06/util-linux.xml@ 8bc46a5

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 8bc46a5 was 8bc46a5, checked in by Ken Moffat <ken@…>, 18 years ago

Add more commands to lists of what gets installed, thanks to Chris Staub.

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@7646 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

  • Property mode set to 100644
File size: 26.4 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>&util-linux-ch6-sbu;</seg>
30 <seg>&util-linux-ch6-du;</seg>
31 </seglistitem>
32 </segmentedlist>
33
34 </sect2>
35
36 <sect2 role="installation">
37 <title>FHS compliance notes</title>
38
39 <para>The FHS recommends using the <filename
40 class="directory">/var/lib/hwclock</filename> directory instead of the
41 usual <filename class="directory">/etc</filename> directory as the
42 location for the <filename>adjtime</filename> file. To make the
43 <command>hwclock</command> program FHS-compliant, run the
44 following:</para>
45
46<screen><userinput>sed -i 's@etc/adjtime@var/lib/hwclock/adjtime@g' \
47 hwclock/hwclock.c
48mkdir -p /var/lib/hwclock</userinput></screen>
49
50 </sect2>
51
52 <sect2 role="installation">
53 <title>Installation of Util-linux</title>
54
55 <para>Util-linux fails to compile against newer versions of Linux-Libc-Headers.
56 The following patch properly fixes this issue:</para>
57
58<screen><userinput>patch -Np1 -i ../&util-linux-cramfs-patch;</userinput></screen>
59
60 <para>Prepare Util-linux for compilation:</para>
61
62<screen><userinput>./configure</userinput></screen>
63
64 <para>Compile the package:</para>
65
66<screen><userinput>make HAVE_KILL=yes HAVE_SLN=yes</userinput></screen>
67
68 <variablelist>
69 <title>The meaning of the make parameters:</title>
70
71 <varlistentry>
72 <term><parameter>HAVE_KILL=yes</parameter></term>
73 <listitem>
74 <para>This prevents the <command>kill</command> program (already
75 installed by Procps) from being built and installed again.</para>
76 </listitem>
77 </varlistentry>
78
79 <varlistentry>
80 <term><parameter>HAVE_SLN=yes</parameter></term>
81 <listitem>
82 <para>This prevents the <command>sln</command> program (a
83 statically linked version of <command>ln</command> already installed
84 by Glibc) from being built and installed again.</para>
85 </listitem>
86 </varlistentry>
87
88 </variablelist>
89
90 <para>This package does not come with a test suite.</para>
91
92 <para>Install the package:</para>
93
94<screen><userinput>make HAVE_KILL=yes HAVE_SLN=yes install</userinput></screen>
95
96 </sect2>
97
98 <sect2 id="contents-utillinux" role="content">
99 <title>Contents of Util-linux</title>
100
101 <segmentedlist>
102 <segtitle>Installed programs</segtitle>
103
104 <seglistitem>
105 <seg>agetty, arch, blockdev, cal, cfdisk, chkdupexe, col, colcrt,
106 colrm, column, ctrlaltdel, cytune, ddate, dmesg, elvtune, fdformat,
107 fdisk, flock, fsck.cramfs, fsck.minix, getopt, hexdump, hwclock, ipcrm,
108 ipcs, isosize, line, logger, look, losetup, mcookie, mkfs, mkfs.bfs,
109 mkfs.cramfs, mkfs.minix, mkswap, more, mount, namei, pg, pivot_root,
110 ramsize (link to rdev), raw, rdev, readprofile, rename, renice, rev,
111 rootflags (link to rdev), script, setfdprm, setsid, setterm, sfdisk,
112 swapoff (link to swapon), swapon, tailf, tunelp, ul, umount,
113 vidmode (link to rdev), whereis, and write</seg>
114 </seglistitem>
115 </segmentedlist>
116
117 <variablelist>
118 <bridgehead renderas="sect3">Short Descriptions</bridgehead>
119 <?dbfo list-presentation="list"?>
120 <?dbhtml list-presentation="table"?>
121
122 <varlistentry id="agetty">
123 <term><command>agetty</command></term>
124 <listitem>
125 <para>Opens a tty port, prompts for a login name,
126 and then invokes the <command>login</command> program</para>
127 <indexterm zone="ch-system-util-linux agetty">
128 <primary sortas="b-agetty">agetty</primary>
129 </indexterm>
130 </listitem>
131 </varlistentry>
132
133 <varlistentry id="arch">
134 <term><command>arch</command></term>
135 <listitem>
136 <para>Reports the machine's architecture</para>
137 <indexterm zone="ch-system-util-linux arch">
138 <primary sortas="b-arch">arch</primary>
139 </indexterm>
140 </listitem>
141 </varlistentry>
142
143 <varlistentry id="blockdev">
144 <term><command>blockdev</command></term>
145 <listitem>
146 <para>Allows users to call block device ioctls from the command
147 line</para>
148 <indexterm zone="ch-system-util-linux blockdev">
149 <primary sortas="b-blockdev">blockdev</primary>
150 </indexterm>
151 </listitem>
152 </varlistentry>
153
154 <varlistentry id="cal">
155 <term><command>cal</command></term>
156 <listitem>
157 <para>Displays a simple calendar</para>
158 <indexterm zone="ch-system-util-linux cal">
159 <primary sortas="b-cal">cal</primary>
160 </indexterm>
161 </listitem>
162 </varlistentry>
163
164 <varlistentry id="cfdisk">
165 <term><command>cfdisk</command></term>
166 <listitem>
167 <para>Manipulates the partition table of the given device</para>
168 <indexterm zone="ch-system-util-linux cfdisk">
169 <primary sortas="b-cfdisk">cfdisk</primary>
170 </indexterm>
171 </listitem>
172 </varlistentry>
173
174 <varlistentry id="chkdupexe">
175 <term><command>chkdupexe</command></term>
176 <listitem>
177 <para>Finds duplicate executables</para>
178 <indexterm zone="ch-system-util-linux chkdupexe">
179 <primary sortas="b-chkdupexe">chkdupexe</primary>
180 </indexterm>
181 </listitem>
182 </varlistentry>
183
184 <varlistentry id="col">
185 <term><command>col</command></term>
186 <listitem>
187 <para>Filters out reverse line feeds</para>
188 <indexterm zone="ch-system-util-linux col">
189 <primary sortas="b-col">col</primary>
190 </indexterm>
191 </listitem>
192 </varlistentry>
193
194 <varlistentry id="colcrt">
195 <term><command>colcrt</command></term>
196 <listitem>
197 <para>Filters <command>nroff</command> output for terminals
198 that lack some capabilities, such as overstriking and half-lines</para>
199 <indexterm zone="ch-system-util-linux colcrt">
200 <primary sortas="b-colcrt">colcrt</primary>
201 </indexterm>
202 </listitem>
203 </varlistentry>
204
205 <varlistentry id="colrm">
206 <term><command>colrm</command></term>
207 <listitem>
208 <para>Filters out the given columns</para>
209 <indexterm zone="ch-system-util-linux colrm">
210 <primary sortas="b-colrm">colrm</primary>
211 </indexterm>
212 </listitem>
213 </varlistentry>
214
215 <varlistentry id="column">
216 <term><command>column</command></term>
217 <listitem>
218 <para>Formats a given file into multiple columns</para>
219 <indexterm zone="ch-system-util-linux column">
220 <primary sortas="b-column">column</primary>
221 </indexterm>
222 </listitem>
223 </varlistentry>
224
225 <varlistentry id="ctrlaltdel">
226 <term><command>ctrlaltdel</command></term>
227 <listitem>
228 <para>Sets the function of the Ctrl+Alt+Del key combination to a
229 hard or a soft reset</para>
230 <indexterm zone="ch-system-util-linux ctrlaltdel">
231 <primary sortas="b-ctrlaltdel">ctrlaltdel</primary>
232 </indexterm>
233 </listitem>
234 </varlistentry>
235
236 <varlistentry id="cytune">
237 <term><command>cytune</command></term>
238 <listitem>
239 <para>Tunes the parameters of the serial line drivers for
240 Cyclades cards</para>
241 <indexterm zone="ch-system-util-linux cytune">
242 <primary sortas="b-cytune">cytune</primary>
243 </indexterm>
244 </listitem>
245 </varlistentry>
246
247 <varlistentry id="ddate">
248 <term><command>ddate</command></term>
249 <listitem>
250 <para>Gives the Discordian date or converts the given Gregorian date
251 to a Discordian one</para>
252 <indexterm zone="ch-system-util-linux ddate">
253 <primary sortas="b-ddate">ddate</primary>
254 </indexterm>
255 </listitem>
256 </varlistentry>
257
258 <varlistentry id="dmesg">
259 <term><command>dmesg</command></term>
260 <listitem>
261 <para>Dumps the kernel boot messages</para>
262 <indexterm zone="ch-system-util-linux dmesg">
263 <primary sortas="b-dmesg">dmesg</primary>
264 </indexterm>
265 </listitem>
266 </varlistentry>
267
268 <varlistentry id="elvtune">
269 <term><command>elvtune</command></term>
270 <listitem>
271 <para>Tunes the performance and interactivity of a block
272 device</para>
273 <indexterm zone="ch-system-util-linux elvtune">
274 <primary sortas="b-elvtune">elvtune</primary>
275 </indexterm>
276 </listitem>
277 </varlistentry>
278
279 <varlistentry id="fdformat">
280 <term><command>fdformat</command></term>
281 <listitem>
282 <para>Low-level formats a floppy disk</para>
283 <indexterm zone="ch-system-util-linux fdformat">
284 <primary sortas="b-fdformat">fdformat</primary>
285 </indexterm>
286 </listitem>
287 </varlistentry>
288
289 <varlistentry id="flock">
290 <term><command>flock</command></term>
291 <listitem>
292 <para>Acquires a file lock and then executes a command with the lock
293 held</para>
294 <indexterm zone="ch-system-util-linux flock">
295 <primary sortas="b-fdisk">flock</primary>
296 </indexterm>
297 </listitem>
298 </varlistentry>
299
300 <varlistentry id="fdisk">
301 <term><command>fdisk</command></term>
302 <listitem>
303 <para>Manipulates the partition table of the given device</para>
304 <indexterm zone="ch-system-util-linux fdisk">
305 <primary sortas="b-fdisk">fdisk</primary>
306 </indexterm>
307 </listitem>
308 </varlistentry>
309
310 <varlistentry id="fsck.cramfs">
311 <term><command>fsck.cramfs</command></term>
312 <listitem>
313 <para>Performs a consistency check on the Cramfs file system on the
314 given device</para>
315 <indexterm zone="ch-system-util-linux fsck.cramfs">
316 <primary sortas="b-fsck.cramfs">fsck.cramfs</primary>
317 </indexterm>
318 </listitem>
319 </varlistentry>
320
321 <varlistentry id="fsck.minix">
322 <term><command>fsck.minix</command></term>
323 <listitem>
324 <para>Performs a consistency check on the Minix file system on the
325 given device</para>
326 <indexterm zone="ch-system-util-linux fsck.minix">
327 <primary sortas="b-fsck.minix">fsck.minix</primary>
328 </indexterm>
329 </listitem>
330 </varlistentry>
331
332 <varlistentry id="getopt">
333 <term><command>getopt</command></term>
334 <listitem>
335 <para>Parses options in the given command line</para>
336 <indexterm zone="ch-system-util-linux getopt">
337 <primary sortas="b-getopt">getopt</primary>
338 </indexterm>
339 </listitem>
340 </varlistentry>
341
342 <varlistentry id="hexdump">
343 <term><command>hexdump</command></term>
344 <listitem>
345 <para>Dumps the given file in hexadecimal or in another given
346 format</para>
347 <indexterm zone="ch-system-util-linux hexdump">
348 <primary sortas="b-hexdump">hexdump</primary>
349 </indexterm>
350 </listitem>
351 </varlistentry>
352
353 <varlistentry id="hwclock">
354 <term><command>hwclock</command></term>
355 <listitem>
356 <para>Reads or sets the system's hardware clock, also called
357 the Real-Time Clock (RTC) or Basic Input-Output System (BIOS)
358 clock</para>
359 <indexterm zone="ch-system-util-linux hwclock">
360 <primary sortas="b-hwclock">hwclock</primary>
361 </indexterm>
362 </listitem>
363 </varlistentry>
364
365 <varlistentry id="ipcrm">
366 <term><command>ipcrm</command></term>
367 <listitem>
368 <para>Removes the given Inter-Process Communication (IPC) resource</para>
369 <indexterm zone="ch-system-util-linux ipcrm">
370 <primary sortas="b-ipcrm">ipcrm</primary>
371 </indexterm>
372 </listitem>
373 </varlistentry>
374
375 <varlistentry id="ipcs">
376 <term><command>ipcs</command></term>
377 <listitem>
378 <para>Provides IPC status information</para>
379 <indexterm zone="ch-system-util-linux ipcs">
380 <primary sortas="b-ipcs">ipcs</primary>
381 </indexterm>
382 </listitem>
383 </varlistentry>
384
385 <varlistentry id="isosize">
386 <term><command>isosize</command></term>
387 <listitem>
388 <para>Reports the size of an iso9660 file system</para>
389 <indexterm zone="ch-system-util-linux isosize">
390 <primary sortas="b-isosize">isosize</primary>
391 </indexterm>
392 </listitem>
393 </varlistentry>
394
395 <varlistentry id="line">
396 <term><command>line</command></term>
397 <listitem>
398 <para>Copies a single line</para>
399 <indexterm zone="ch-system-util-linux line">
400 <primary sortas="b-line">line</primary>
401 </indexterm>
402 </listitem>
403 </varlistentry>
404
405 <varlistentry id="logger">
406 <term><command>logger</command></term>
407 <listitem>
408 <para>Enters the given message into the system log</para>
409 <indexterm zone="ch-system-util-linux logger">
410 <primary sortas="b-logger">logger</primary>
411 </indexterm>
412 </listitem>
413 </varlistentry>
414
415 <varlistentry id="look">
416 <term><command>look</command></term>
417 <listitem>
418 <para>Displays lines that begin with the given string</para>
419 <indexterm zone="ch-system-util-linux look">
420 <primary sortas="b-look">look</primary>
421 </indexterm>
422 </listitem>
423 </varlistentry>
424
425 <varlistentry id="losetup">
426 <term><command>losetup</command></term>
427 <listitem>
428 <para>Sets up and controls loop devices</para>
429 <indexterm zone="ch-system-util-linux losetup">
430 <primary sortas="b-losetup">losetup</primary>
431 </indexterm>
432 </listitem>
433 </varlistentry>
434
435 <varlistentry id="mcookie">
436 <term><command>mcookie</command></term>
437 <listitem>
438 <para>Generates magic cookies (128-bit random hexadecimal numbers) for
439 <command>xauth</command></para>
440 <indexterm zone="ch-system-util-linux mcookie">
441 <primary sortas="b-mcookie">mcookie</primary>
442 </indexterm>
443 </listitem>
444 </varlistentry>
445
446 <varlistentry id="mkfs">
447 <term><command>mkfs</command></term>
448 <listitem>
449 <para>Builds a file system on a device (usually a hard disk
450 partition)</para>
451 <indexterm zone="ch-system-util-linux mkfs">
452 <primary sortas="b-mkfs">mkfs</primary>
453 </indexterm>
454 </listitem>
455 </varlistentry>
456
457 <varlistentry id="mkfs.bfs">
458 <term><command>mkfs.bfs</command></term>
459 <listitem>
460 <para>Creates a Santa Cruz Operations (SCO) bfs file system</para>
461 <indexterm zone="ch-system-util-linux mkfs.bfs">
462 <primary sortas="b-mkfs.bfs">mkfs.bfs</primary>
463 </indexterm>
464 </listitem>
465 </varlistentry>
466
467 <varlistentry id="mkfs.cramfs">
468 <term><command>mkfs.cramfs</command></term>
469 <listitem>
470 <para>Creates a cramfs file system</para>
471 <indexterm zone="ch-system-util-linux mkfs.cramfs">
472 <primary sortas="b-mkfs.cramfs">mkfs.cramfs</primary>
473 </indexterm>
474 </listitem>
475 </varlistentry>
476
477 <varlistentry id="mkfs.minix">
478 <term><command>mkfs.minix</command></term>
479 <listitem>
480 <para>Creates a Minix file system</para>
481 <indexterm zone="ch-system-util-linux mkfs.minix">
482 <primary sortas="b-mkfs.minix">mkfs.minix</primary>
483 </indexterm>
484 </listitem>
485 </varlistentry>
486
487 <varlistentry id="mkswap">
488 <term><command>mkswap</command></term>
489 <listitem>
490 <para>Initializes the given device or file to be used as a swap
491 area</para>
492 <indexterm zone="ch-system-util-linux mkswap">
493 <primary sortas="b-mkswap">mkswap</primary>
494 </indexterm>
495 </listitem>
496 </varlistentry>
497
498 <varlistentry id="more">
499 <term><command>more</command></term>
500 <listitem>
501 <para>A filter for paging through text one screen at a time</para>
502 <indexterm zone="ch-system-util-linux more">
503 <primary sortas="b-more">more</primary>
504 </indexterm>
505 </listitem>
506 </varlistentry>
507
508 <varlistentry id="mount">
509 <term><command>mount</command></term>
510 <listitem>
511 <para>Attaches the file system on the given device to a specified
512 directory in the file-system tree</para>
513 <indexterm zone="ch-system-util-linux mount">
514 <primary sortas="b-mount">mount</primary>
515 </indexterm>
516 </listitem>
517 </varlistentry>
518
519 <varlistentry id="namei">
520 <term><command>namei</command></term>
521 <listitem>
522 <para>Shows the symbolic links in the given pathnames</para>
523 <indexterm zone="ch-system-util-linux namei">
524 <primary sortas="b-namei">namei</primary>
525 </indexterm>
526 </listitem>
527 </varlistentry>
528
529 <varlistentry id="pg">
530 <term><command>pg</command></term>
531 <listitem>
532 <para>Displays a text file one screen full at a time</para>
533 <indexterm zone="ch-system-util-linux pg">
534 <primary sortas="b-pg">pg</primary>
535 </indexterm>
536 </listitem>
537 </varlistentry>
538
539 <varlistentry id="pivot_root">
540 <term><command>pivot_root</command></term>
541 <listitem>
542 <para>Makes the given file system the new root file system of the
543 current process</para>
544 <indexterm zone="ch-system-util-linux pivot_root">
545 <primary sortas="b-pivot_root">pivot_root</primary>
546 </indexterm>
547 </listitem>
548 </varlistentry>
549
550 <varlistentry id="ramsize">
551 <term><command>ramsize</command></term>
552 <listitem>
553 <para>Sets the size of the RAM disk in a bootable image</para>
554 <indexterm zone="ch-system-util-linux ramsize">
555 <primary sortas="b-ramsize">ramsize</primary>
556 </indexterm>
557 </listitem>
558 </varlistentry>
559
560 <varlistentry id="raw">
561 <term><command>raw</command></term>
562 <listitem>
563 <para>Used to bind a Linux raw character device to a block
564 device</para>
565 <indexterm zone="ch-system-util-linux raw">
566 <primary sortas="b-raw">raw</primary>
567 </indexterm>
568 </listitem>
569 </varlistentry>
570
571 <varlistentry id="rdev">
572 <term><command>rdev</command></term>
573 <listitem>
574 <para>Queries and sets the root device, among other things, in a
575 bootable image</para>
576 <indexterm zone="ch-system-util-linux rdev">
577 <primary sortas="b-rdev">rdev</primary>
578 </indexterm>
579 </listitem>
580 </varlistentry>
581
582 <varlistentry id="readprofile">
583 <term><command>readprofile</command></term>
584 <listitem>
585 <para>Reads kernel profiling information</para>
586 <indexterm zone="ch-system-util-linux readprofile">
587 <primary sortas="b-readprofile">readprofile</primary>
588 </indexterm>
589 </listitem>
590 </varlistentry>
591
592 <varlistentry id="rename">
593 <term><command>rename</command></term>
594 <listitem>
595 <para>Renames the given files, replacing a given string with
596 another</para>
597 <indexterm zone="ch-system-util-linux rename">
598 <primary sortas="b-rename">rename</primary>
599 </indexterm>
600 </listitem>
601 </varlistentry>
602
603 <varlistentry id="renice">
604 <term><command>renice</command></term>
605 <listitem>
606 <para>Alters the priority of running processes</para>
607 <indexterm zone="ch-system-util-linux renice">
608 <primary sortas="b-renice">renice</primary>
609 </indexterm>
610 </listitem>
611 </varlistentry>
612
613 <varlistentry id="rev">
614 <term><command>rev</command></term>
615 <listitem>
616 <para>Reverses the lines of a given file</para>
617 <indexterm zone="ch-system-util-linux rev">
618 <primary sortas="b-rev">rev</primary>
619 </indexterm>
620 </listitem>
621 </varlistentry>
622
623 <varlistentry id="rootflags">
624 <term><command>rootflags</command></term>
625 <listitem>
626 <para>Sets the rootflags in a bootable image</para>
627 <indexterm zone="ch-system-util-linux rootflags">
628 <primary sortas="b-rootflags">rootflags</primary>
629 </indexterm>
630 </listitem>
631 </varlistentry>
632
633 <varlistentry id="script">
634 <term><command>script</command></term>
635 <listitem>
636 <para>Makes a typescript of a terminal session</para>
637 <indexterm zone="ch-system-util-linux script">
638 <primary sortas="b-script">script</primary>
639 </indexterm>
640 </listitem>
641 </varlistentry>
642
643 <varlistentry id="setfdprm">
644 <term><command>setfdprm</command></term>
645 <listitem>
646 <para>Sets user-provided floppy disk parameters</para>
647 <indexterm zone="ch-system-util-linux setfdprm">
648 <primary sortas="b-setfdprm">setfdprm</primary>
649 </indexterm>
650 </listitem>
651 </varlistentry>
652
653 <varlistentry id="setsid">
654 <term><command>setsid</command></term>
655 <listitem>
656 <para>Runs the given program in a new session</para>
657 <indexterm zone="ch-system-util-linux setsid">
658 <primary sortas="b-setsid">setsid</primary>
659 </indexterm>
660 </listitem>
661 </varlistentry>
662
663 <varlistentry id="setterm">
664 <term><command>setterm</command></term>
665 <listitem>
666 <para>Sets terminal attributes</para>
667 <indexterm zone="ch-system-util-linux setterm">
668 <primary sortas="b-setterm">setterm</primary>
669 </indexterm>
670 </listitem>
671 </varlistentry>
672
673 <varlistentry id="sfdisk">
674 <term><command>sfdisk</command></term>
675 <listitem>
676 <para>A disk partition table manipulator</para>
677 <indexterm zone="ch-system-util-linux sfdisk">
678 <primary sortas="b-sfdisk">sfdisk</primary>
679 </indexterm>
680 </listitem>
681 </varlistentry>
682
683 <varlistentry id="swapoff">
684 <term><command>swapoff</command></term>
685 <listitem>
686 <para>Disables devices and files for paging and swapping</para>
687 <indexterm zone="ch-system-util-linux swapoff">
688 <primary sortas="b-swapoff">swapoff</primary>
689 </indexterm>
690 </listitem>
691 </varlistentry>
692
693 <varlistentry id="swapon">
694 <term><command>swapon</command></term>
695 <listitem>
696 <para>Enables devices and files for paging and swapping and
697 lists the devices and files currently in use</para>
698 <indexterm zone="ch-system-util-linux swapon">
699 <primary sortas="b-swapon">swapon</primary>
700 </indexterm>
701 </listitem>
702 </varlistentry>
703
704 <varlistentry id="tailf">
705 <term><command>tailf</command></term>
706 <listitem>
707 <para>Tracks the growth of a log file. Displays the last 10 lines
708 of a log file, then continues displaying any new entries in the
709 log file as they are created</para>
710 <indexterm zone="ch-system-util-linux tailf">
711 <primary sortas="b-tailf">tailf</primary>
712 </indexterm>
713 </listitem>
714 </varlistentry>
715
716 <varlistentry id="tunelp">
717 <term><command>tunelp</command></term>
718 <listitem>
719 <para>Tunes the parameters of the line printer</para>
720 <indexterm zone="ch-system-util-linux tunelp">
721 <primary sortas="b-tunelp">tunelp</primary>
722 </indexterm>
723 </listitem>
724 </varlistentry>
725
726 <varlistentry id="ul">
727 <term><command>ul</command></term>
728 <listitem>
729 <para>A filter for translating underscores into escape sequences
730 indicating underlining for the terminal in use</para>
731 <indexterm zone="ch-system-util-linux ul">
732 <primary sortas="b-ul">ul</primary>
733 </indexterm>
734 </listitem>
735 </varlistentry>
736
737 <varlistentry id="umount">
738 <term><command>umount</command></term>
739 <listitem>
740 <para>Disconnects a file system from the system's file tree</para>
741 <indexterm zone="ch-system-util-linux umount">
742 <primary sortas="b-umount">umount</primary>
743 </indexterm>
744 </listitem>
745 </varlistentry>
746
747 <varlistentry id="vidmode">
748 <term><command>vidmode</command></term>
749 <listitem>
750 <para>Sets the video mode in a bootable image</para>
751 <indexterm zone="ch-system-util-linux vidmode">
752 <primary sortas="b-vidmode">vidmode</primary>
753 </indexterm>
754 </listitem>
755 </varlistentry>
756
757 <varlistentry id="whereis">
758 <term><command>whereis</command></term>
759 <listitem>
760 <para>Reports the location of the binary, source, and man page
761 for the given command</para>
762 <indexterm zone="ch-system-util-linux whereis">
763 <primary sortas="b-whereis">whereis</primary>
764 </indexterm>
765 </listitem>
766 </varlistentry>
767
768 <varlistentry id="write">
769 <term><command>write</command></term>
770 <listitem>
771 <para>Sends a message to the given user <emphasis>if</emphasis> that
772 user has not disabled receipt of such messages</para>
773 <indexterm zone="ch-system-util-linux write">
774 <primary sortas="b-write">write</primary>
775 </indexterm>
776 </listitem>
777 </varlistentry>
778
779 </variablelist>
780
781 </sect2>
782
783</sect1>
Note: See TracBrowser for help on using the repository browser.