| 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 | <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.
|
|---|
| 21 | Among them are utilities for handling file systems, consoles, partitions,
|
|---|
| 22 | and messages.</para>
|
|---|
| 23 |
|
|---|
| 24 | </sect2>
|
|---|
| 25 |
|
|---|
| 26 | <sect2 id="fhs-util-linux" role="installation">
|
|---|
| 27 | <title>FHS compliance notes</title>
|
|---|
| 28 |
|
|---|
| 29 | <para>The FHS recommends using the <filename
|
|---|
| 30 | class="directory">/var/lib/hwclock</filename> directory instead of the
|
|---|
| 31 | usual <filename class="directory">/etc</filename> directory as the
|
|---|
| 32 | location for the <filename>adjtime</filename> file. To make the
|
|---|
| 33 | <command>hwclock</command> program FHS-compliant, run the following:</para>
|
|---|
| 34 |
|
|---|
| 35 | <screen><userinput>sed -i -e 's@etc/adjtime@var/lib/hwclock/adjtime@g' \
|
|---|
| 36 | $(grep -rl '/etc/adjtime' .)
|
|---|
| 37 | mkdir -pv /var/lib/hwclock</userinput></screen>
|
|---|
| 38 |
|
|---|
| 39 | </sect2>
|
|---|
| 40 |
|
|---|
| 41 | <sect2 role="installation">
|
|---|
| 42 | <title>Installation of Util-linux</title>
|
|---|
| 43 |
|
|---|
| 44 | <para os="a">Prepare Util-linux for compilation:</para>
|
|---|
| 45 |
|
|---|
| 46 | <screen os="b"><userinput>./configure --enable-write --disable-login --disable-su</userinput></screen>
|
|---|
| 47 |
|
|---|
| 48 | <variablelist os="c">
|
|---|
| 49 | <title>The meaning of the configure options:</title>
|
|---|
| 50 |
|
|---|
| 51 | <varlistentry>
|
|---|
| 52 | <term><parameter>--enable-write</parameter></term>
|
|---|
| 53 | <listitem>
|
|---|
| 54 | <para>This option allows the <command>write</command> program to be
|
|---|
| 55 | installed.</para>
|
|---|
| 56 | </listitem>
|
|---|
| 57 | </varlistentry>
|
|---|
| 58 |
|
|---|
| 59 | <varlistentry>
|
|---|
| 60 | <term><parameter>--disable-login --disable-su</parameter></term>
|
|---|
| 61 | <listitem>
|
|---|
| 62 | <para>Disables building the <command>login</command> and
|
|---|
| 63 | <command>su</command> programs, as the Shadow package installs its
|
|---|
| 64 | own versions.</para>
|
|---|
| 65 | </listitem>
|
|---|
| 66 | </varlistentry>
|
|---|
| 67 |
|
|---|
| 68 | </variablelist>
|
|---|
| 69 |
|
|---|
| 70 | <para os="d">Compile the package:</para>
|
|---|
| 71 |
|
|---|
| 72 | <screen os="e"><userinput>make</userinput></screen>
|
|---|
| 73 |
|
|---|
| 74 | <para os="f">To test the results, issue:
|
|---|
| 75 | <userinput>useradd nobody && chown -Rv nobody . && su nobody -s /bin/bash -c "PATH=$PATH make -k check" ; userdel nobody</userinput></para>
|
|---|
| 76 |
|
|---|
| 77 | <para os="g">Install the package:</para>
|
|---|
| 78 |
|
|---|
| 79 | <screen os="h"><userinput>make install</userinput></screen>
|
|---|
| 80 |
|
|---|
| 81 | <para os="i">Move the <command>logger</command> binary to
|
|---|
| 82 | <filename class="directory">/bin</filename> as it is needed by the
|
|---|
| 83 | CLFS-Bootscripts package:</para>
|
|---|
| 84 |
|
|---|
| 85 | <screen os="j"><userinput>mv -v /usr/bin/logger /bin</userinput></screen>
|
|---|
| 86 |
|
|---|
| 87 | </sect2>
|
|---|
| 88 |
|
|---|
| 89 | <sect2 id="contents-util-linux" role="content">
|
|---|
| 90 | <title>Contents of Util-linux</title>
|
|---|
| 91 |
|
|---|
| 92 | <segmentedlist>
|
|---|
| 93 | <segtitle>Installed programs</segtitle>
|
|---|
| 94 | <segtitle>Installed libraries</segtitle>
|
|---|
| 95 | <segtitle>Installed directories</segtitle>
|
|---|
| 96 |
|
|---|
| 97 | <seglistitem>
|
|---|
| 98 | <seg>addpart, agetty, blkid, blockdev, cal, cfdisk, chcpu,
|
|---|
| 99 | chrt, col, colcrt, colrm, column, ctrlaltdel, cytune, delpart,
|
|---|
| 100 | dmesg, eject, fallocate, fdformat, fdisk, findfs, findmnt, flock,
|
|---|
| 101 | fsck, fsck.cramfs, fsck.minix, fsfreeze, fstrim, getopt, hexdump,
|
|---|
| 102 | hwclock, ionice, ipcmk, ipcrm, ipcs, isosize, kill, ldattach,
|
|---|
| 103 | logger, look, losetup, lsblk, lscpu, lslocks, mcookie, mkfs, mkfs.bfs,
|
|---|
| 104 | mkfs.cramfs, mkfs.minix, mkswap, more, mount, mountpoint, namei,
|
|---|
| 105 | partx, pg, pivot_root, prlimit, raw, readprofile, rename, renice,
|
|---|
| 106 | resizepart, rev, rtcwake, script, scriptreplay, setarch, setsid,
|
|---|
| 107 | setterm, sfdisk, sulogin, swaplabel, swapoff (link to swapon), swapon,
|
|---|
| 108 | switch_root, tailf, taskset, tunelp, ul, umount, unshare, utmpdump,
|
|---|
| 109 | uuidd, uuidgen, wall, wdctl, whereis, wipefs, and write</seg>
|
|---|
| 110 | <seg>libblkid.[a,so], libmount.[a,so], and libuuid.[a,so]</seg>
|
|---|
| 111 | <seg>/usr/include/blkid, /usr/include/libmount, /usr/include/uuid,
|
|---|
| 112 | /usr/share/getopt, /var/lib/hwclock</seg>
|
|---|
| 113 | </seglistitem>
|
|---|
| 114 | </segmentedlist>
|
|---|
| 115 |
|
|---|
| 116 | <variablelist>
|
|---|
| 117 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
|
|---|
| 118 | <?dbfo list-presentation="list"?>
|
|---|
| 119 | <?dbhtml list-presentation="table"?>
|
|---|
| 120 |
|
|---|
| 121 | <varlistentry id="addpart">
|
|---|
| 122 | <term><command>addpart</command></term>
|
|---|
| 123 | <listitem>
|
|---|
| 124 | <para>Informs the kernel of a new partition</para>
|
|---|
| 125 | <indexterm zone="ch-system-util-linux addpart">
|
|---|
| 126 | <primary sortas="b-addpart">addpart</primary>
|
|---|
| 127 | </indexterm>
|
|---|
| 128 | </listitem>
|
|---|
| 129 | </varlistentry>
|
|---|
| 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="blkid">
|
|---|
| 143 | <term><command>blkid</command></term>
|
|---|
| 144 | <listitem>
|
|---|
| 145 | <para>A command line utility to locate and print block device
|
|---|
| 146 | attributes</para>
|
|---|
| 147 | <indexterm zone="ch-system-util-linux blkid">
|
|---|
| 148 | <primary sortas="b-blkid">blkid</primary>
|
|---|
| 149 | </indexterm>
|
|---|
| 150 | </listitem>
|
|---|
| 151 | </varlistentry>
|
|---|
| 152 |
|
|---|
| 153 | <varlistentry id="blockdev">
|
|---|
| 154 | <term><command>blockdev</command></term>
|
|---|
| 155 | <listitem>
|
|---|
| 156 | <para>Allows users to call block device ioctls from the command
|
|---|
| 157 | line</para>
|
|---|
| 158 | <indexterm zone="ch-system-util-linux blockdev">
|
|---|
| 159 | <primary sortas="b-blockdev">blockdev</primary>
|
|---|
| 160 | </indexterm>
|
|---|
| 161 | </listitem>
|
|---|
| 162 | </varlistentry>
|
|---|
| 163 |
|
|---|
| 164 | <varlistentry id="cal">
|
|---|
| 165 | <term><command>cal</command></term>
|
|---|
| 166 | <listitem>
|
|---|
| 167 | <para>Displays a simple calendar</para>
|
|---|
| 168 | <indexterm zone="ch-system-util-linux cal">
|
|---|
| 169 | <primary sortas="b-cal">cal</primary>
|
|---|
| 170 | </indexterm>
|
|---|
| 171 | </listitem>
|
|---|
| 172 | </varlistentry>
|
|---|
| 173 |
|
|---|
| 174 | <varlistentry id="cfdisk">
|
|---|
| 175 | <term><command>cfdisk</command></term>
|
|---|
| 176 | <listitem>
|
|---|
| 177 | <para>Manipulates the partition table of the given device</para>
|
|---|
| 178 | <indexterm zone="ch-system-util-linux cfdisk">
|
|---|
| 179 | <primary sortas="b-cfdisk">cfdisk</primary>
|
|---|
| 180 | </indexterm>
|
|---|
| 181 | </listitem>
|
|---|
| 182 | </varlistentry>
|
|---|
| 183 |
|
|---|
| 184 | <varlistentry id="chcpu">
|
|---|
| 185 | <term><command>chcpu</command></term>
|
|---|
| 186 | <listitem>
|
|---|
| 187 | <para>Utility to configure CPUs</para>
|
|---|
| 188 | <indexterm zone="ch-system-util-linux chcpu">
|
|---|
| 189 | <primary sortas="b-chcpu">chcpu</primary>
|
|---|
| 190 | </indexterm>
|
|---|
| 191 | </listitem>
|
|---|
| 192 | </varlistentry>
|
|---|
| 193 |
|
|---|
| 194 | <varlistentry id="chrt">
|
|---|
| 195 | <term><command>chrt</command></term>
|
|---|
| 196 | <listitem>
|
|---|
| 197 | <para>Manipulates real-time attributes of a process</para>
|
|---|
| 198 | <indexterm zone="ch-system-util-linux chrt">
|
|---|
| 199 | <primary sortas="b-chrt">chrt</primary>
|
|---|
| 200 | </indexterm>
|
|---|
| 201 | </listitem>
|
|---|
| 202 | </varlistentry>
|
|---|
| 203 |
|
|---|
| 204 | <varlistentry id="col">
|
|---|
| 205 | <term><command>col</command></term>
|
|---|
| 206 | <listitem>
|
|---|
| 207 | <para>Filters out reverse line feeds</para>
|
|---|
| 208 | <indexterm zone="ch-system-util-linux col">
|
|---|
| 209 | <primary sortas="b-col">col</primary>
|
|---|
| 210 | </indexterm>
|
|---|
| 211 | </listitem>
|
|---|
| 212 | </varlistentry>
|
|---|
| 213 |
|
|---|
| 214 | <varlistentry id="colcrt">
|
|---|
| 215 | <term><command>colcrt</command></term>
|
|---|
| 216 | <listitem>
|
|---|
| 217 | <para>Filters <command>nroff</command> output for terminals
|
|---|
| 218 | that lack some capabilities, such as overstriking and half-lines</para>
|
|---|
| 219 | <indexterm zone="ch-system-util-linux colcrt">
|
|---|
| 220 | <primary sortas="b-colcrt">colcrt</primary>
|
|---|
| 221 | </indexterm>
|
|---|
| 222 | </listitem>
|
|---|
| 223 | </varlistentry>
|
|---|
| 224 |
|
|---|
| 225 | <varlistentry id="colrm">
|
|---|
| 226 | <term><command>colrm</command></term>
|
|---|
| 227 | <listitem>
|
|---|
| 228 | <para>Filters out the given columns</para>
|
|---|
| 229 | <indexterm zone="ch-system-util-linux colrm">
|
|---|
| 230 | <primary sortas="b-colrm">colrm</primary>
|
|---|
| 231 | </indexterm>
|
|---|
| 232 | </listitem>
|
|---|
| 233 | </varlistentry>
|
|---|
| 234 |
|
|---|
| 235 | <varlistentry id="column">
|
|---|
| 236 | <term><command>column</command></term>
|
|---|
| 237 | <listitem>
|
|---|
| 238 | <para>Formats a given file into multiple columns</para>
|
|---|
| 239 | <indexterm zone="ch-system-util-linux column">
|
|---|
| 240 | <primary sortas="b-column">column</primary>
|
|---|
| 241 | </indexterm>
|
|---|
| 242 | </listitem>
|
|---|
| 243 | </varlistentry>
|
|---|
| 244 |
|
|---|
| 245 | <varlistentry id="ctrlaltdel">
|
|---|
| 246 | <term><command>ctrlaltdel</command></term>
|
|---|
| 247 | <listitem>
|
|---|
| 248 | <para>Sets the function of the Ctrl+Alt+Del key combination to a
|
|---|
| 249 | hard or a soft reset</para>
|
|---|
| 250 | <indexterm zone="ch-system-util-linux ctrlaltdel">
|
|---|
| 251 | <primary sortas="b-ctrlaltdel">ctrlaltdel</primary>
|
|---|
| 252 | </indexterm>
|
|---|
| 253 | </listitem>
|
|---|
| 254 | </varlistentry>
|
|---|
| 255 |
|
|---|
| 256 | <varlistentry id="cytune">
|
|---|
| 257 | <term><command>cytune</command></term>
|
|---|
| 258 | <listitem>
|
|---|
| 259 | <para>Tunes the parameters of the serial line drivers for
|
|---|
| 260 | Cyclades cards</para>
|
|---|
| 261 | <indexterm zone="ch-system-util-linux cytune">
|
|---|
| 262 | <primary sortas="b-cytune">cytune</primary>
|
|---|
| 263 | </indexterm>
|
|---|
| 264 | </listitem>
|
|---|
| 265 | </varlistentry>
|
|---|
| 266 |
|
|---|
| 267 | <varlistentry id="ddate">
|
|---|
| 268 | <term><command>ddate</command></term>
|
|---|
| 269 | <listitem>
|
|---|
| 270 | <para>Gives the Discordian date or converts the given Gregorian date
|
|---|
| 271 | to a Discordian one</para>
|
|---|
| 272 | <indexterm zone="ch-system-util-linux ddate">
|
|---|
| 273 | <primary sortas="b-ddate">ddate</primary>
|
|---|
| 274 | </indexterm>
|
|---|
| 275 | </listitem>
|
|---|
| 276 | </varlistentry>
|
|---|
| 277 |
|
|---|
| 278 | <varlistentry id="delpart">
|
|---|
| 279 | <term><command>delpart</command></term>
|
|---|
| 280 | <listitem>
|
|---|
| 281 | <para>Asks the kernel to remove a partition</para>
|
|---|
| 282 | <indexterm zone="ch-system-util-linux delpart">
|
|---|
| 283 | <primary sortas="b-delpart">delpart</primary>
|
|---|
| 284 | </indexterm>
|
|---|
| 285 | </listitem>
|
|---|
| 286 | </varlistentry>
|
|---|
| 287 |
|
|---|
| 288 | <varlistentry id="dmesg">
|
|---|
| 289 | <term><command>dmesg</command></term>
|
|---|
| 290 | <listitem>
|
|---|
| 291 | <para>Dumps the kernel boot messages</para>
|
|---|
| 292 | <indexterm zone="ch-system-util-linux dmesg">
|
|---|
| 293 | <primary sortas="b-dmesg">dmesg</primary>
|
|---|
| 294 | </indexterm>
|
|---|
| 295 | </listitem>
|
|---|
| 296 | </varlistentry>
|
|---|
| 297 |
|
|---|
| 298 | <varlistentry id="eject">
|
|---|
| 299 | <term><command>eject</command></term>
|
|---|
| 300 | <listitem>
|
|---|
| 301 | <para>Eject removable media</para>
|
|---|
| 302 | <indexterm zone="ch-system-util-linux eject">
|
|---|
| 303 | <primary sortas="b-dmesg">eject</primary>
|
|---|
| 304 | </indexterm>
|
|---|
| 305 | </listitem>
|
|---|
| 306 | </varlistentry>
|
|---|
| 307 |
|
|---|
| 308 | <varlistentry id="fallocate">
|
|---|
| 309 | <term><command>fallocate</command></term>
|
|---|
| 310 | <listitem>
|
|---|
| 311 | <para>Preallocates space to a file</para>
|
|---|
| 312 | <indexterm zone="ch-system-util-linux fallocate">
|
|---|
| 313 | <primary sortas="b-fallocate">fallocate</primary>
|
|---|
| 314 | </indexterm>
|
|---|
| 315 | </listitem>
|
|---|
| 316 | </varlistentry>
|
|---|
| 317 |
|
|---|
| 318 | <varlistentry id="fdformat">
|
|---|
| 319 | <term><command>fdformat</command></term>
|
|---|
| 320 | <listitem>
|
|---|
| 321 | <para>Low-level formats a floppy disk</para>
|
|---|
| 322 | <indexterm zone="ch-system-util-linux fdformat">
|
|---|
| 323 | <primary sortas="b-fdformat">fdformat</primary>
|
|---|
| 324 | </indexterm>
|
|---|
| 325 | </listitem>
|
|---|
| 326 | </varlistentry>
|
|---|
| 327 |
|
|---|
| 328 | <varlistentry id="fdisk">
|
|---|
| 329 | <term><command>fdisk</command></term>
|
|---|
| 330 | <listitem>
|
|---|
| 331 | <para>Manipulates the partition table of the given device</para>
|
|---|
| 332 | <indexterm zone="ch-system-util-linux fdisk">
|
|---|
| 333 | <primary sortas="b-fdisk">fdisk</primary>
|
|---|
| 334 | </indexterm>
|
|---|
| 335 | </listitem>
|
|---|
| 336 | </varlistentry>
|
|---|
| 337 |
|
|---|
| 338 | <varlistentry id="findfs">
|
|---|
| 339 | <term><command>findfs</command></term>
|
|---|
| 340 | <listitem>
|
|---|
| 341 | <para>Finds a file system by label or Universally Unique Identifier
|
|---|
| 342 | (UUID)</para>
|
|---|
| 343 | <indexterm zone="ch-system-util-linux findfs">
|
|---|
| 344 | <primary sortas="b-findfs">findfs</primary>
|
|---|
| 345 | </indexterm>
|
|---|
| 346 | </listitem>
|
|---|
| 347 | </varlistentry>
|
|---|
| 348 |
|
|---|
| 349 | <varlistentry id="findmnt">
|
|---|
| 350 | <term><command>findmnt</command></term>
|
|---|
| 351 | <listitem>
|
|---|
| 352 | <para>Lists mounted filesystems or searches for a filesystem</para>
|
|---|
| 353 | <indexterm zone="ch-system-util-linux findmnt">
|
|---|
| 354 | <primary sortas="b-findmnt">findmnt</primary>
|
|---|
| 355 | </indexterm>
|
|---|
| 356 | </listitem>
|
|---|
| 357 | </varlistentry>
|
|---|
| 358 |
|
|---|
| 359 | <varlistentry id="flock">
|
|---|
| 360 | <term><command>flock</command></term>
|
|---|
| 361 | <listitem>
|
|---|
| 362 | <para>Acquires a file lock and then executes a command with the lock
|
|---|
| 363 | held</para>
|
|---|
| 364 | <indexterm zone="ch-system-util-linux flock">
|
|---|
| 365 | <primary sortas="b-flock">flock</primary>
|
|---|
| 366 | </indexterm>
|
|---|
| 367 | </listitem>
|
|---|
| 368 | </varlistentry>
|
|---|
| 369 |
|
|---|
| 370 | <varlistentry id="fsck">
|
|---|
| 371 | <term><command>fsck</command></term>
|
|---|
| 372 | <listitem>
|
|---|
| 373 | <para>Is used to check, and optionally repair, file systems</para>
|
|---|
| 374 | <indexterm zone="ch-system-util-linux fsck">
|
|---|
| 375 | <primary sortas="b-fsck">fsck</primary>
|
|---|
| 376 | </indexterm>
|
|---|
| 377 | </listitem>
|
|---|
| 378 | </varlistentry>
|
|---|
| 379 |
|
|---|
| 380 | <varlistentry id="fsck.cramfs">
|
|---|
| 381 | <term><command>fsck.cramfs</command></term>
|
|---|
| 382 | <listitem>
|
|---|
| 383 | <para>Performs a consistency check on the Cramfs file system on the
|
|---|
| 384 | given device</para>
|
|---|
| 385 | <indexterm zone="ch-system-util-linux fsck.cramfs">
|
|---|
| 386 | <primary sortas="b-fsck.cramfs">fsck.cramfs</primary>
|
|---|
| 387 | </indexterm>
|
|---|
| 388 | </listitem>
|
|---|
| 389 | </varlistentry>
|
|---|
| 390 |
|
|---|
| 391 | <varlistentry id="fsck.minix">
|
|---|
| 392 | <term><command>fsck.minix</command></term>
|
|---|
| 393 | <listitem>
|
|---|
| 394 | <para>Performs a consistency check on the Minix file system on the
|
|---|
| 395 | given device</para>
|
|---|
| 396 | <indexterm zone="ch-system-util-linux fsck.minix">
|
|---|
| 397 | <primary sortas="b-fsck.minix">fsck.minix</primary>
|
|---|
| 398 | </indexterm>
|
|---|
| 399 | </listitem>
|
|---|
| 400 | </varlistentry>
|
|---|
| 401 |
|
|---|
| 402 | <varlistentry id="fsfreeze">
|
|---|
| 403 | <term><command>fsfreeze</command></term>
|
|---|
| 404 | <listitem>
|
|---|
| 405 | <para>Suspends and resumes access to a filesystem</para>
|
|---|
| 406 | <indexterm zone="ch-system-util-linux fsfreeze">
|
|---|
| 407 | <primary sortas="b-fsfreeze">fsfreeze</primary>
|
|---|
| 408 | </indexterm>
|
|---|
| 409 | </listitem>
|
|---|
| 410 | </varlistentry>
|
|---|
| 411 |
|
|---|
| 412 | <varlistentry id="fstrim">
|
|---|
| 413 | <term><command>fstrim</command></term>
|
|---|
| 414 | <listitem>
|
|---|
| 415 | <para>Discards unused blocks on a mounted filesystem</para>
|
|---|
| 416 | <indexterm zone="ch-system-util-linux fstrim">
|
|---|
| 417 | <primary sortas="b-fstrim">fstrim</primary>
|
|---|
| 418 | </indexterm>
|
|---|
| 419 | </listitem>
|
|---|
| 420 | </varlistentry>
|
|---|
| 421 |
|
|---|
| 422 | <varlistentry id="getopt">
|
|---|
| 423 | <term><command>getopt</command></term>
|
|---|
| 424 | <listitem>
|
|---|
| 425 | <para>Parses options in the given command line</para>
|
|---|
| 426 | <indexterm zone="ch-system-util-linux getopt">
|
|---|
| 427 | <primary sortas="b-getopt">getopt</primary>
|
|---|
| 428 | </indexterm>
|
|---|
| 429 | </listitem>
|
|---|
| 430 | </varlistentry>
|
|---|
| 431 |
|
|---|
| 432 | <varlistentry id="hexdump">
|
|---|
| 433 | <term><command>hexdump</command></term>
|
|---|
| 434 | <listitem>
|
|---|
| 435 | <para>Dumps the given file in hexadecimal or in another given
|
|---|
| 436 | format</para>
|
|---|
| 437 | <indexterm zone="ch-system-util-linux hexdump">
|
|---|
| 438 | <primary sortas="b-hexdump">hexdump</primary>
|
|---|
| 439 | </indexterm>
|
|---|
| 440 | </listitem>
|
|---|
| 441 | </varlistentry>
|
|---|
| 442 |
|
|---|
| 443 | <varlistentry id="hwclock">
|
|---|
| 444 | <term><command>hwclock</command></term>
|
|---|
| 445 | <listitem>
|
|---|
| 446 | <para>Reads or sets the system's hardware clock, also called
|
|---|
| 447 | the Real-Time Clock (RTC) or Basic Input-Output System (BIOS)
|
|---|
| 448 | clock</para>
|
|---|
| 449 | <indexterm zone="ch-system-util-linux hwclock">
|
|---|
| 450 | <primary sortas="b-hwclock">hwclock</primary>
|
|---|
| 451 | </indexterm>
|
|---|
| 452 | </listitem>
|
|---|
| 453 | </varlistentry>
|
|---|
| 454 |
|
|---|
| 455 | <varlistentry id="ionice">
|
|---|
| 456 | <term><command>ionice</command></term>
|
|---|
| 457 | <listitem>
|
|---|
| 458 | <para>Gives and sets program I/O scheduling class and priority</para>
|
|---|
| 459 | <indexterm zone="ch-system-util-linux ionice">
|
|---|
| 460 | <primary sortas="b-ionice">ionice</primary>
|
|---|
| 461 | </indexterm>
|
|---|
| 462 | </listitem>
|
|---|
| 463 | </varlistentry>
|
|---|
| 464 |
|
|---|
| 465 | <varlistentry id="ipcmk">
|
|---|
| 466 | <term><command>ipcmk</command></term>
|
|---|
| 467 | <listitem>
|
|---|
| 468 | <para>Creates various IPC resources</para>
|
|---|
| 469 | <indexterm zone="ch-system-util-linux ipcmk">
|
|---|
| 470 | <primary sortas="b-ipcmk">ipcmk</primary>
|
|---|
| 471 | </indexterm>
|
|---|
| 472 | </listitem>
|
|---|
| 473 | </varlistentry>
|
|---|
| 474 |
|
|---|
| 475 | <varlistentry id="ipcrm">
|
|---|
| 476 | <term><command>ipcrm</command></term>
|
|---|
| 477 | <listitem>
|
|---|
| 478 | <para>Removes the given Inter-Process Communication (IPC) resource</para>
|
|---|
| 479 | <indexterm zone="ch-system-util-linux ipcrm">
|
|---|
| 480 | <primary sortas="b-ipcrm">ipcrm</primary>
|
|---|
| 481 | </indexterm>
|
|---|
| 482 | </listitem>
|
|---|
| 483 | </varlistentry>
|
|---|
| 484 |
|
|---|
| 485 | <varlistentry id="ipcs">
|
|---|
| 486 | <term><command>ipcs</command></term>
|
|---|
| 487 | <listitem>
|
|---|
| 488 | <para>Provides IPC status information</para>
|
|---|
| 489 | <indexterm zone="ch-system-util-linux ipcs">
|
|---|
| 490 | <primary sortas="b-ipcs">ipcs</primary>
|
|---|
| 491 | </indexterm>
|
|---|
| 492 | </listitem>
|
|---|
| 493 | </varlistentry>
|
|---|
| 494 |
|
|---|
| 495 | <varlistentry id="isosize">
|
|---|
| 496 | <term><command>isosize</command></term>
|
|---|
| 497 | <listitem>
|
|---|
| 498 | <para>Reports the size of an iso9660 file system</para>
|
|---|
| 499 | <indexterm zone="ch-system-util-linux isosize">
|
|---|
| 500 | <primary sortas="b-isosize">isosize</primary>
|
|---|
| 501 | </indexterm>
|
|---|
| 502 | </listitem>
|
|---|
| 503 | </varlistentry>
|
|---|
| 504 |
|
|---|
| 505 | <varlistentry id="kill">
|
|---|
| 506 | <term><command>kill</command></term>
|
|---|
| 507 | <listitem>
|
|---|
| 508 | <para>Send a signal to a process</para>
|
|---|
| 509 | <indexterm zone="ch-system-util-linux kill">
|
|---|
| 510 | <primary sortas="b-kill">kill</primary>
|
|---|
| 511 | </indexterm>
|
|---|
| 512 | </listitem>
|
|---|
| 513 | </varlistentry>
|
|---|
| 514 |
|
|---|
| 515 | <varlistentry id="ldattach">
|
|---|
| 516 | <term><command>ldattach</command></term>
|
|---|
| 517 | <listitem>
|
|---|
| 518 | <para>Attaches a line discipline to a serial line</para>
|
|---|
| 519 | <indexterm zone="ch-system-util-linux ldattach">
|
|---|
| 520 | <primary sortas="b-ldattach">ldattach</primary>
|
|---|
| 521 | </indexterm>
|
|---|
| 522 | </listitem>
|
|---|
| 523 | </varlistentry>
|
|---|
| 524 |
|
|---|
| 525 | <varlistentry id="logger">
|
|---|
| 526 | <term><command>logger</command></term>
|
|---|
| 527 | <listitem>
|
|---|
| 528 | <para>Enters the given message into the system log</para>
|
|---|
| 529 | <indexterm zone="ch-system-util-linux logger">
|
|---|
| 530 | <primary sortas="b-logger">logger</primary>
|
|---|
| 531 | </indexterm>
|
|---|
| 532 | </listitem>
|
|---|
| 533 | </varlistentry>
|
|---|
| 534 |
|
|---|
| 535 | <varlistentry id="look">
|
|---|
| 536 | <term><command>look</command></term>
|
|---|
| 537 | <listitem>
|
|---|
| 538 | <para>Displays lines that begin with the given string</para>
|
|---|
| 539 | <indexterm zone="ch-system-util-linux look">
|
|---|
| 540 | <primary sortas="b-look">look</primary>
|
|---|
| 541 | </indexterm>
|
|---|
| 542 | </listitem>
|
|---|
| 543 | </varlistentry>
|
|---|
| 544 |
|
|---|
| 545 | <varlistentry id="losetup">
|
|---|
| 546 | <term><command>losetup</command></term>
|
|---|
| 547 | <listitem>
|
|---|
| 548 | <para>Sets up and controls loop devices</para>
|
|---|
| 549 | <indexterm zone="ch-system-util-linux losetup">
|
|---|
| 550 | <primary sortas="b-losetup">losetup</primary>
|
|---|
| 551 | </indexterm>
|
|---|
| 552 | </listitem>
|
|---|
| 553 | </varlistentry>
|
|---|
| 554 |
|
|---|
| 555 | <varlistentry id="lsblk">
|
|---|
| 556 | <term><command>lsblk</command></term>
|
|---|
| 557 | <listitem>
|
|---|
| 558 | <para>Prints information about block devices</para>
|
|---|
| 559 | <indexterm zone="ch-system-util-linux lsblk">
|
|---|
| 560 | <primary sortas="b-lsblk">lsblk</primary>
|
|---|
| 561 | </indexterm>
|
|---|
| 562 | </listitem>
|
|---|
| 563 | </varlistentry>
|
|---|
| 564 |
|
|---|
| 565 | <varlistentry id="lscpu">
|
|---|
| 566 | <term><command>lscpu</command></term>
|
|---|
| 567 | <listitem>
|
|---|
| 568 | <para>Prints CPU architechture information</para>
|
|---|
| 569 | <indexterm zone="ch-system-util-linux lscpu">
|
|---|
| 570 | <primary sortas="b-lscpu">lscpu</primary>
|
|---|
| 571 | </indexterm>
|
|---|
| 572 | </listitem>
|
|---|
| 573 | </varlistentry>
|
|---|
| 574 |
|
|---|
| 575 | <varlistentry id="lslocks">
|
|---|
| 576 | <term><command>lslocks</command></term>
|
|---|
| 577 | <listitem>
|
|---|
| 578 | <para>Lists local system locks</para>
|
|---|
| 579 | <indexterm zone="ch-system-util-linux lslocks">
|
|---|
| 580 | <primary sortas="b-lslocks">lslocks</primary>
|
|---|
| 581 | </indexterm>
|
|---|
| 582 | </listitem>
|
|---|
| 583 | </varlistentry>
|
|---|
| 584 |
|
|---|
| 585 | <varlistentry id="mcookie">
|
|---|
| 586 | <term><command>mcookie</command></term>
|
|---|
| 587 | <listitem>
|
|---|
| 588 | <para>Generates magic cookies (128-bit random hexadecimal numbers) for
|
|---|
| 589 | <command>xauth</command></para>
|
|---|
| 590 | <indexterm zone="ch-system-util-linux mcookie">
|
|---|
| 591 | <primary sortas="b-mcookie">mcookie</primary>
|
|---|
| 592 | </indexterm>
|
|---|
| 593 | </listitem>
|
|---|
| 594 | </varlistentry>
|
|---|
| 595 |
|
|---|
| 596 | <varlistentry id="mkfs">
|
|---|
| 597 | <term><command>mkfs</command></term>
|
|---|
| 598 | <listitem>
|
|---|
| 599 | <para>Builds a file system on a device (usually a hard disk
|
|---|
| 600 | partition)</para>
|
|---|
| 601 | <indexterm zone="ch-system-util-linux mkfs">
|
|---|
| 602 | <primary sortas="b-mkfs">mkfs</primary>
|
|---|
| 603 | </indexterm>
|
|---|
| 604 | </listitem>
|
|---|
| 605 | </varlistentry>
|
|---|
| 606 |
|
|---|
| 607 | <varlistentry id="mkfs.bfs">
|
|---|
| 608 | <term><command>mkfs.bfs</command></term>
|
|---|
| 609 | <listitem>
|
|---|
| 610 | <para>Creates a Santa Cruz Operations (SCO) bfs file system</para>
|
|---|
| 611 | <indexterm zone="ch-system-util-linux mkfs.bfs">
|
|---|
| 612 | <primary sortas="b-mkfs.bfs">mkfs.bfs</primary>
|
|---|
| 613 | </indexterm>
|
|---|
| 614 | </listitem>
|
|---|
| 615 | </varlistentry>
|
|---|
| 616 |
|
|---|
| 617 | <varlistentry id="mkfs.cramfs">
|
|---|
| 618 | <term><command>mkfs.cramfs</command></term>
|
|---|
| 619 | <listitem>
|
|---|
| 620 | <para>Creates a cramfs file system</para>
|
|---|
| 621 | <indexterm zone="ch-system-util-linux mkfs.cramfs">
|
|---|
| 622 | <primary sortas="b-mkfs.cramfs">mkfs.cramfs</primary>
|
|---|
| 623 | </indexterm>
|
|---|
| 624 | </listitem>
|
|---|
| 625 | </varlistentry>
|
|---|
| 626 |
|
|---|
| 627 | <varlistentry id="mkfs.minix">
|
|---|
| 628 | <term><command>mkfs.minix</command></term>
|
|---|
| 629 | <listitem>
|
|---|
| 630 | <para>Creates a Minix file system</para>
|
|---|
| 631 | <indexterm zone="ch-system-util-linux mkfs.minix">
|
|---|
| 632 | <primary sortas="b-mkfs.minix">mkfs.minix</primary>
|
|---|
| 633 | </indexterm>
|
|---|
| 634 | </listitem>
|
|---|
| 635 | </varlistentry>
|
|---|
| 636 |
|
|---|
| 637 | <varlistentry id="mkswap">
|
|---|
| 638 | <term><command>mkswap</command></term>
|
|---|
| 639 | <listitem>
|
|---|
| 640 | <para>Initializes the given device or file to be used as a swap
|
|---|
| 641 | area</para>
|
|---|
| 642 | <indexterm zone="ch-system-util-linux mkswap">
|
|---|
| 643 | <primary sortas="b-mkswap">mkswap</primary>
|
|---|
| 644 | </indexterm>
|
|---|
| 645 | </listitem>
|
|---|
| 646 | </varlistentry>
|
|---|
| 647 |
|
|---|
| 648 | <varlistentry id="more">
|
|---|
| 649 | <term><command>more</command></term>
|
|---|
| 650 | <listitem>
|
|---|
| 651 | <para>A filter for paging through text one screen at a time</para>
|
|---|
| 652 | <indexterm zone="ch-system-util-linux more">
|
|---|
| 653 | <primary sortas="b-more">more</primary>
|
|---|
| 654 | </indexterm>
|
|---|
| 655 | </listitem>
|
|---|
| 656 | </varlistentry>
|
|---|
| 657 |
|
|---|
| 658 | <varlistentry id="mount">
|
|---|
| 659 | <term><command>mount</command></term>
|
|---|
| 660 | <listitem>
|
|---|
| 661 | <para>Attaches the file system on the given device to a specified
|
|---|
| 662 | directory in the file-system tree</para>
|
|---|
| 663 | <indexterm zone="ch-system-util-linux mount">
|
|---|
| 664 | <primary sortas="b-mount">mount</primary>
|
|---|
| 665 | </indexterm>
|
|---|
| 666 | </listitem>
|
|---|
| 667 | </varlistentry>
|
|---|
| 668 |
|
|---|
| 669 | <varlistentry id="mountpoint">
|
|---|
| 670 | <term><command>mountpoint</command></term>
|
|---|
| 671 | <listitem>
|
|---|
| 672 | <para>Tells you whether or not a directory is a mount point.</para>
|
|---|
| 673 | <indexterm zone="ch-system-util-linux mountpoint">
|
|---|
| 674 | <primary sortas="b-mountpoint">mountpoint</primary>
|
|---|
| 675 | </indexterm>
|
|---|
| 676 | </listitem>
|
|---|
| 677 | </varlistentry>
|
|---|
| 678 |
|
|---|
| 679 | <varlistentry id="namei">
|
|---|
| 680 | <term><command>namei</command></term>
|
|---|
| 681 | <listitem>
|
|---|
| 682 | <para>Shows the symbolic links in the given pathnames</para>
|
|---|
| 683 | <indexterm zone="ch-system-util-linux namei">
|
|---|
| 684 | <primary sortas="b-namei">namei</primary>
|
|---|
| 685 | </indexterm>
|
|---|
| 686 | </listitem>
|
|---|
| 687 | </varlistentry>
|
|---|
| 688 |
|
|---|
| 689 | <varlistentry id="partx">
|
|---|
| 690 | <term><command>partx</command></term>
|
|---|
| 691 | <listitem>
|
|---|
| 692 | <para>Tells the kernel about the presence and numbering of on-disk
|
|---|
| 693 | partitions</para>
|
|---|
| 694 | <indexterm zone="ch-system-util-linux partx">
|
|---|
| 695 | <primary sortas="b-partx">partx</primary>
|
|---|
| 696 | </indexterm>
|
|---|
| 697 | </listitem>
|
|---|
| 698 | </varlistentry>
|
|---|
| 699 |
|
|---|
| 700 | <varlistentry id="pg">
|
|---|
| 701 | <term><command>pg</command></term>
|
|---|
| 702 | <listitem>
|
|---|
| 703 | <para>Displays a text file one screen full at a time</para>
|
|---|
| 704 | <indexterm zone="ch-system-util-linux pg">
|
|---|
| 705 | <primary sortas="b-pg">pg</primary>
|
|---|
| 706 | </indexterm>
|
|---|
| 707 | </listitem>
|
|---|
| 708 | </varlistentry>
|
|---|
| 709 |
|
|---|
| 710 | <varlistentry id="pivot_root">
|
|---|
| 711 | <term><command>pivot_root</command></term>
|
|---|
| 712 | <listitem>
|
|---|
| 713 | <para>Makes the given file system the new root file system of the
|
|---|
| 714 | current process</para>
|
|---|
| 715 | <indexterm zone="ch-system-util-linux pivot_root">
|
|---|
| 716 | <primary sortas="b-pivot_root">pivot_root</primary>
|
|---|
| 717 | </indexterm>
|
|---|
| 718 | </listitem>
|
|---|
| 719 | </varlistentry>
|
|---|
| 720 |
|
|---|
| 721 | <varlistentry id="prlimit">
|
|---|
| 722 | <term><command>prlimit</command></term>
|
|---|
| 723 | <listitem>
|
|---|
| 724 | <para>Gets and sets a process' resource limits</para>
|
|---|
| 725 | <indexterm zone="ch-system-util-linux prlimit">
|
|---|
| 726 | <primary sortas="b-prlimit">prlimit</primary>
|
|---|
| 727 | </indexterm>
|
|---|
| 728 | </listitem>
|
|---|
| 729 | </varlistentry>
|
|---|
| 730 |
|
|---|
| 731 | <varlistentry id="raw">
|
|---|
| 732 | <term><command>raw</command></term>
|
|---|
| 733 | <listitem>
|
|---|
| 734 | <para>Binds a Linux raw character device to a block device</para>
|
|---|
| 735 | <indexterm zone="ch-system-util-linux raw">
|
|---|
| 736 | <primary sortas="b-raw">raw</primary>
|
|---|
| 737 | </indexterm>
|
|---|
| 738 | </listitem>
|
|---|
| 739 | </varlistentry>
|
|---|
| 740 |
|
|---|
| 741 | <varlistentry id="readprofile">
|
|---|
| 742 | <term><command>readprofile</command></term>
|
|---|
| 743 | <listitem>
|
|---|
| 744 | <para>Reads kernel profiling information</para>
|
|---|
| 745 | <indexterm zone="ch-system-util-linux readprofile">
|
|---|
| 746 | <primary sortas="b-readprofile">readprofile</primary>
|
|---|
| 747 | </indexterm>
|
|---|
| 748 | </listitem>
|
|---|
| 749 | </varlistentry>
|
|---|
| 750 |
|
|---|
| 751 | <varlistentry id="rename">
|
|---|
| 752 | <term><command>rename</command></term>
|
|---|
| 753 | <listitem>
|
|---|
| 754 | <para>Renames the given files, replacing a given string with
|
|---|
| 755 | another</para>
|
|---|
| 756 | <indexterm zone="ch-system-util-linux rename">
|
|---|
| 757 | <primary sortas="b-rename">rename</primary>
|
|---|
| 758 | </indexterm>
|
|---|
| 759 | </listitem>
|
|---|
| 760 | </varlistentry>
|
|---|
| 761 |
|
|---|
| 762 | <varlistentry id="renice">
|
|---|
| 763 | <term><command>renice</command></term>
|
|---|
| 764 | <listitem>
|
|---|
| 765 | <para>Alters the priority of running processes</para>
|
|---|
| 766 | <indexterm zone="ch-system-util-linux renice">
|
|---|
| 767 | <primary sortas="b-renice">renice</primary>
|
|---|
| 768 | </indexterm>
|
|---|
| 769 | </listitem>
|
|---|
| 770 | </varlistentry>
|
|---|
| 771 |
|
|---|
| 772 | <varlistentry id="resizepart">
|
|---|
| 773 | <term><command>resizepart</command></term>
|
|---|
| 774 | <listitem>
|
|---|
| 775 | <para>Asks the Linux kernel to resize a partition</para>
|
|---|
| 776 | <indexterm zone="ch-system-util-linux resizepart">
|
|---|
| 777 | <primary sortas="b-resizepart">resizepart</primary>
|
|---|
| 778 | </indexterm>
|
|---|
| 779 | </listitem>
|
|---|
| 780 | </varlistentry>
|
|---|
| 781 |
|
|---|
| 782 | <varlistentry id="rev">
|
|---|
| 783 | <term><command>rev</command></term>
|
|---|
| 784 | <listitem>
|
|---|
| 785 | <para>Reverses the lines of a given file</para>
|
|---|
| 786 | <indexterm zone="ch-system-util-linux rev">
|
|---|
| 787 | <primary sortas="b-rev">rev</primary>
|
|---|
| 788 | </indexterm>
|
|---|
| 789 | </listitem>
|
|---|
| 790 | </varlistentry>
|
|---|
| 791 |
|
|---|
| 792 | <varlistentry id="rtcwake">
|
|---|
| 793 | <term><command>rtcwake</command></term>
|
|---|
| 794 | <listitem>
|
|---|
| 795 | <para>Enters a system sleep state until a specified wakeup time</para>
|
|---|
| 796 | <indexterm zone="ch-system-util-linux rtcwake">
|
|---|
| 797 | <primary sortas="b-rtcwake">rtcwake</primary>
|
|---|
| 798 | </indexterm>
|
|---|
| 799 | </listitem>
|
|---|
| 800 | </varlistentry>
|
|---|
| 801 |
|
|---|
| 802 | <varlistentry id="script">
|
|---|
| 803 | <term><command>script</command></term>
|
|---|
| 804 | <listitem>
|
|---|
| 805 | <para>Makes a typescript of a terminal session</para>
|
|---|
| 806 | <indexterm zone="ch-system-util-linux script">
|
|---|
| 807 | <primary sortas="b-script">script</primary>
|
|---|
| 808 | </indexterm>
|
|---|
| 809 | </listitem>
|
|---|
| 810 | </varlistentry>
|
|---|
| 811 |
|
|---|
| 812 | <varlistentry id="scriptreplay">
|
|---|
| 813 | <term><command>scriptreplay</command></term>
|
|---|
| 814 | <listitem>
|
|---|
| 815 | <para>Plays back typescripts created by <command>script</command></para>
|
|---|
| 816 | <indexterm zone="ch-system-util-linux scriptreplay">
|
|---|
| 817 | <primary sortas="b-scriptreplay">scriptreplay</primary>
|
|---|
| 818 | </indexterm>
|
|---|
| 819 | </listitem>
|
|---|
| 820 | </varlistentry>
|
|---|
| 821 |
|
|---|
| 822 | <varlistentry id="setarch">
|
|---|
| 823 | <term><command>setarch</command></term>
|
|---|
| 824 | <listitem>
|
|---|
| 825 | <para>Changes reported architecture in new program environment and
|
|---|
| 826 | sets personality flags</para>
|
|---|
| 827 | <indexterm zone="ch-system-util-linux setarch">
|
|---|
| 828 | <primary sortas="b-setarch">setarch</primary>
|
|---|
| 829 | </indexterm>
|
|---|
| 830 | </listitem>
|
|---|
| 831 | </varlistentry>
|
|---|
| 832 |
|
|---|
| 833 | <varlistentry id="setsid">
|
|---|
| 834 | <term><command>setsid</command></term>
|
|---|
| 835 | <listitem>
|
|---|
| 836 | <para>Runs the given program in a new session</para>
|
|---|
| 837 | <indexterm zone="ch-system-util-linux setsid">
|
|---|
| 838 | <primary sortas="b-setsid">setsid</primary>
|
|---|
| 839 | </indexterm>
|
|---|
| 840 | </listitem>
|
|---|
| 841 | </varlistentry>
|
|---|
| 842 |
|
|---|
| 843 | <varlistentry id="setterm">
|
|---|
| 844 | <term><command>setterm</command></term>
|
|---|
| 845 | <listitem>
|
|---|
| 846 | <para>Sets terminal attributes</para>
|
|---|
| 847 | <indexterm zone="ch-system-util-linux setterm">
|
|---|
| 848 | <primary sortas="b-setterm">setterm</primary>
|
|---|
| 849 | </indexterm>
|
|---|
| 850 | </listitem>
|
|---|
| 851 | </varlistentry>
|
|---|
| 852 |
|
|---|
| 853 | <varlistentry id="sfdisk">
|
|---|
| 854 | <term><command>sfdisk</command></term>
|
|---|
| 855 | <listitem>
|
|---|
| 856 | <para>A disk partition table manipulator</para>
|
|---|
| 857 | <indexterm zone="ch-system-util-linux sfdisk">
|
|---|
| 858 | <primary sortas="b-sfdisk">sfdisk</primary>
|
|---|
| 859 | </indexterm>
|
|---|
| 860 | </listitem>
|
|---|
| 861 | </varlistentry>
|
|---|
| 862 |
|
|---|
| 863 | <varlistentry id="sulogin">
|
|---|
| 864 | <term><command>sulogin</command></term>
|
|---|
| 865 | <listitem>
|
|---|
| 866 | <para>Allows <emphasis>root</emphasis> to log in; it is normally
|
|---|
| 867 | invoked by <command>init</command> when the system goes into single
|
|---|
| 868 | user mode</para>
|
|---|
| 869 | <indexterm zone="ch-system-util-linux sulogin">
|
|---|
| 870 | <primary sortas="b-sulogin">sulogin</primary>
|
|---|
| 871 | </indexterm>
|
|---|
| 872 | </listitem>
|
|---|
| 873 | </varlistentry>
|
|---|
| 874 |
|
|---|
| 875 | <varlistentry id="swaplabel">
|
|---|
| 876 | <term><command>swaplabel</command></term>
|
|---|
| 877 | <listitem>
|
|---|
| 878 | <para>Prints or changes the label or UUID of a swap area</para>
|
|---|
| 879 | <indexterm zone="ch-system-util-linux swaplabel">
|
|---|
| 880 | <primary sortas="b-swaplabel">swaplabel</primary>
|
|---|
| 881 | </indexterm>
|
|---|
| 882 | </listitem>
|
|---|
| 883 | </varlistentry>
|
|---|
| 884 |
|
|---|
| 885 | <varlistentry id="swapoff">
|
|---|
| 886 | <term><command>swapoff</command></term>
|
|---|
| 887 | <listitem>
|
|---|
| 888 | <para>Disables devices and files for paging and swapping</para>
|
|---|
| 889 | <indexterm zone="ch-system-util-linux swapoff">
|
|---|
| 890 | <primary sortas="b-swapoff">swapoff</primary>
|
|---|
| 891 | </indexterm>
|
|---|
| 892 | </listitem>
|
|---|
| 893 | </varlistentry>
|
|---|
| 894 |
|
|---|
| 895 | <varlistentry id="swapon">
|
|---|
| 896 | <term><command>swapon</command></term>
|
|---|
| 897 | <listitem>
|
|---|
| 898 | <para>Enables devices and files for paging and swapping and
|
|---|
| 899 | lists the devices and files currently in use</para>
|
|---|
| 900 | <indexterm zone="ch-system-util-linux swapon">
|
|---|
| 901 | <primary sortas="b-swapon">swapon</primary>
|
|---|
| 902 | </indexterm>
|
|---|
| 903 | </listitem>
|
|---|
| 904 | </varlistentry>
|
|---|
| 905 |
|
|---|
| 906 | <varlistentry id="switch_root">
|
|---|
| 907 | <term><command>switch_root</command></term>
|
|---|
| 908 | <listitem>
|
|---|
| 909 | <para>Switches to another filesystem as the root of the mount tree</para>
|
|---|
| 910 | <indexterm zone="ch-system-util-linux switch_root">
|
|---|
| 911 | <primary sortas="b-switch_root">switch_root</primary>
|
|---|
| 912 | </indexterm>
|
|---|
| 913 | </listitem>
|
|---|
| 914 | </varlistentry>
|
|---|
| 915 |
|
|---|
| 916 | <varlistentry id="tailf">
|
|---|
| 917 | <term><command>tailf</command></term>
|
|---|
| 918 | <listitem>
|
|---|
| 919 | <para>Tracks the growth of a log file. Displays the last 10 lines
|
|---|
| 920 | of a log file, then continues displaying any new entries in the
|
|---|
| 921 | log file as they are created</para>
|
|---|
| 922 | <indexterm zone="ch-system-util-linux tailf">
|
|---|
| 923 | <primary sortas="b-tailf">tailf</primary>
|
|---|
| 924 | </indexterm>
|
|---|
| 925 | </listitem>
|
|---|
| 926 | </varlistentry>
|
|---|
| 927 |
|
|---|
| 928 | <varlistentry id="taskset">
|
|---|
| 929 | <term><command>taskset</command></term>
|
|---|
| 930 | <listitem>
|
|---|
| 931 | <para>Retrieves or sets a process's CPU affinity</para>
|
|---|
| 932 | <indexterm zone="ch-system-util-linux taskset">
|
|---|
| 933 | <primary sortas="b-taskset">taskset</primary>
|
|---|
| 934 | </indexterm>
|
|---|
| 935 | </listitem>
|
|---|
| 936 | </varlistentry>
|
|---|
| 937 |
|
|---|
| 938 | <varlistentry id="tunelp">
|
|---|
| 939 | <term><command>tunelp</command></term>
|
|---|
| 940 | <listitem>
|
|---|
| 941 | <para>Tunes the parameters of the line printer</para>
|
|---|
| 942 | <indexterm zone="ch-system-util-linux tunelp">
|
|---|
| 943 | <primary sortas="b-tunelp">tunelp</primary>
|
|---|
| 944 | </indexterm>
|
|---|
| 945 | </listitem>
|
|---|
| 946 | </varlistentry>
|
|---|
| 947 |
|
|---|
| 948 | <varlistentry id="ul">
|
|---|
| 949 | <term><command>ul</command></term>
|
|---|
| 950 | <listitem>
|
|---|
| 951 | <para>A filter for translating underscores into escape sequences
|
|---|
| 952 | indicating underlining for the terminal in use</para>
|
|---|
| 953 | <indexterm zone="ch-system-util-linux ul">
|
|---|
| 954 | <primary sortas="b-ul">ul</primary>
|
|---|
| 955 | </indexterm>
|
|---|
| 956 | </listitem>
|
|---|
| 957 | </varlistentry>
|
|---|
| 958 |
|
|---|
| 959 | <varlistentry id="umount">
|
|---|
| 960 | <term><command>umount</command></term>
|
|---|
| 961 | <listitem>
|
|---|
| 962 | <para>Disconnects a file system from the system's file tree</para>
|
|---|
| 963 | <indexterm zone="ch-system-util-linux umount">
|
|---|
| 964 | <primary sortas="b-umount">umount</primary>
|
|---|
| 965 | </indexterm>
|
|---|
| 966 | </listitem>
|
|---|
| 967 | </varlistentry>
|
|---|
| 968 |
|
|---|
| 969 | <varlistentry id="unshare">
|
|---|
| 970 | <term><command>unshare</command></term>
|
|---|
| 971 | <listitem>
|
|---|
| 972 | <para>Runs a program with some namespaces unshared from parent</para>
|
|---|
| 973 | <indexterm zone="ch-system-util-linux unshare">
|
|---|
| 974 | <primary sortas="b-unshare">unshare</primary>
|
|---|
| 975 | </indexterm>
|
|---|
| 976 | </listitem>
|
|---|
| 977 | </varlistentry>
|
|---|
| 978 |
|
|---|
| 979 | <varlistentry id="utmpdump">
|
|---|
| 980 | <term><command>utmpdump</command></term>
|
|---|
| 981 | <listitem>
|
|---|
| 982 | <para>Displays the content of the given login file in a more
|
|---|
| 983 | user-friendly format</para>
|
|---|
| 984 | <indexterm zone="ch-system-util-linux utmpdump">
|
|---|
| 985 | <primary sortas="b-utmpdump">utmpdump</primary>
|
|---|
| 986 | </indexterm>
|
|---|
| 987 | </listitem>
|
|---|
| 988 | </varlistentry>
|
|---|
| 989 |
|
|---|
| 990 | <varlistentry id="uuidd">
|
|---|
| 991 | <term><command>uuidd</command></term>
|
|---|
| 992 | <listitem>
|
|---|
| 993 | <para>A daemon used by the UUID library to generate time-based
|
|---|
| 994 | UUIDs in a secure and guranteed-unique fashion.</para>
|
|---|
| 995 | <indexterm zone="ch-system-util-linux uuidd">
|
|---|
| 996 | <primary sortas="b-uuidd">uuidd</primary>
|
|---|
| 997 | </indexterm>
|
|---|
| 998 | </listitem>
|
|---|
| 999 | </varlistentry>
|
|---|
| 1000 |
|
|---|
| 1001 | <varlistentry id="uuidgen">
|
|---|
| 1002 | <term><command>uuidgen</command></term>
|
|---|
| 1003 | <listitem>
|
|---|
| 1004 | <para>Creates new UUIDs. Each new UUID can reasonably be considered
|
|---|
| 1005 | unique among all UUIDs created, on the local system and on other
|
|---|
| 1006 | systems, in the past and in the future</para>
|
|---|
| 1007 | <indexterm zone="ch-system-util-linux uuidgen">
|
|---|
| 1008 | <primary sortas="b-uuidgen">uuidgen</primary>
|
|---|
| 1009 | </indexterm>
|
|---|
| 1010 | </listitem>
|
|---|
| 1011 | </varlistentry>
|
|---|
| 1012 |
|
|---|
| 1013 | <varlistentry id="wall">
|
|---|
| 1014 | <term><command>wall</command></term>
|
|---|
| 1015 | <listitem>
|
|---|
| 1016 | <para>Writes a message to all logged-in users</para>
|
|---|
| 1017 | <indexterm zone="ch-system-util-linux wall">
|
|---|
| 1018 | <primary sortas="b-wall">wall</primary>
|
|---|
| 1019 | </indexterm>
|
|---|
| 1020 | </listitem>
|
|---|
| 1021 | </varlistentry>
|
|---|
| 1022 |
|
|---|
| 1023 | <varlistentry id="wdctl">
|
|---|
| 1024 | <term><command>wdctl</command></term>
|
|---|
| 1025 | <listitem>
|
|---|
| 1026 | <para>Show hardware watchdog status</para>
|
|---|
| 1027 | <indexterm zone="ch-system-util-linux wdctl">
|
|---|
| 1028 | <primary sortas="b-uuidgen">wdctl</primary>
|
|---|
| 1029 | </indexterm>
|
|---|
| 1030 | </listitem>
|
|---|
| 1031 | </varlistentry>
|
|---|
| 1032 |
|
|---|
| 1033 | <varlistentry id="whereis">
|
|---|
| 1034 | <term><command>whereis</command></term>
|
|---|
| 1035 | <listitem>
|
|---|
| 1036 | <para>Reports the location of the binary, source, and man page
|
|---|
| 1037 | for the given command</para>
|
|---|
| 1038 | <indexterm zone="ch-system-util-linux whereis">
|
|---|
| 1039 | <primary sortas="b-whereis">whereis</primary>
|
|---|
| 1040 | </indexterm>
|
|---|
| 1041 | </listitem>
|
|---|
| 1042 | </varlistentry>
|
|---|
| 1043 |
|
|---|
| 1044 | <varlistentry id="wipefs">
|
|---|
| 1045 | <term><command>wipefs</command></term>
|
|---|
| 1046 | <listitem>
|
|---|
| 1047 | <para>Wipes a filesystem signature from a device</para>
|
|---|
| 1048 | <indexterm zone="ch-system-util-linux wipefs">
|
|---|
| 1049 | <primary sortas="b-wipefs">wipefs</primary>
|
|---|
| 1050 | </indexterm>
|
|---|
| 1051 | </listitem>
|
|---|
| 1052 | </varlistentry>
|
|---|
| 1053 |
|
|---|
| 1054 | <varlistentry id="write">
|
|---|
| 1055 | <term><command>write</command></term>
|
|---|
| 1056 | <listitem>
|
|---|
| 1057 | <para>Sends a message to the given user <emphasis>if</emphasis> that
|
|---|
| 1058 | user has not disabled receipt of such messages</para>
|
|---|
| 1059 | <indexterm zone="ch-system-util-linux write">
|
|---|
| 1060 | <primary sortas="b-write">write</primary>
|
|---|
| 1061 | </indexterm>
|
|---|
| 1062 | </listitem>
|
|---|
| 1063 | </varlistentry>
|
|---|
| 1064 |
|
|---|
| 1065 | <varlistentry id="libblkid">
|
|---|
| 1066 | <term><filename class="libraryfile">libblkid</filename></term>
|
|---|
| 1067 | <listitem>
|
|---|
| 1068 | <para>Contains routines for device identification and token
|
|---|
| 1069 | extraction</para>
|
|---|
| 1070 | <indexterm zone="ch-system-util-linux libblkid">
|
|---|
| 1071 | <primary sortas="c-libblkid">libblkid</primary>
|
|---|
| 1072 | </indexterm>
|
|---|
| 1073 | </listitem>
|
|---|
| 1074 | </varlistentry>
|
|---|
| 1075 |
|
|---|
| 1076 | <varlistentry id="libmount">
|
|---|
| 1077 | <term><filename class="libraryfile">libmount</filename></term>
|
|---|
| 1078 | <listitem>
|
|---|
| 1079 | <para>Contains routines for parsing the
|
|---|
| 1080 | <filename>/etc/fstab</filename>, <filename>/etc/mtab</filename>,
|
|---|
| 1081 | and <filename>/proc/self/mountinfo</filename> files, managing
|
|---|
| 1082 | <filename>/etc/mtab</filename>, and configuring various mount
|
|---|
| 1083 | options</para>
|
|---|
| 1084 | <indexterm zone="ch-system-util-linux libmount">
|
|---|
| 1085 | <primary sortas="c-libmount">libmount</primary>
|
|---|
| 1086 | </indexterm>
|
|---|
| 1087 | </listitem>
|
|---|
| 1088 | </varlistentry>
|
|---|
| 1089 |
|
|---|
| 1090 | <varlistentry id="libuuid">
|
|---|
| 1091 | <term><filename class="libraryfile">libuuid</filename></term>
|
|---|
| 1092 | <listitem>
|
|---|
| 1093 | <para>Contains routines for generating unique identifiers for objects
|
|---|
| 1094 | that may be accessible beyond the local system</para>
|
|---|
| 1095 | <indexterm zone="ch-system-util-linux libuuid">
|
|---|
| 1096 | <primary sortas="c-libuuid">libuuid</primary>
|
|---|
| 1097 | </indexterm>
|
|---|
| 1098 | </listitem>
|
|---|
| 1099 | </varlistentry>
|
|---|
| 1100 |
|
|---|
| 1101 | </variablelist>
|
|---|
| 1102 |
|
|---|
| 1103 | </sect2>
|
|---|
| 1104 |
|
|---|
| 1105 | </sect1>
|
|---|
