| 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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| 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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| 3 | "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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| 4 | <!ENTITY % general-entities SYSTEM "../../general.ent">
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| 5 | %general-entities;
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| 6 | ]>
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| 7 |
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| 8 | <sect1 id="ch-system-procps-ng" role="wrap">
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| 9 | <?dbhtml filename="procps-ng.html"?>
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| 10 |
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| 11 | <title>Procps-ng-&procps-ng-version;</title>
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| 12 |
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| 13 | <indexterm zone="ch-system-procps-ng">
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| 14 | <primary sortas="a-Procps-ng">Procps-ng</primary>
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| 15 | </indexterm>
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| 16 |
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| 17 | <sect2 role="package">
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| 18 | <title/>
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| 19 |
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| 20 | <para>The Procps-ng package contains programs for monitoring
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| 21 | processes.</para>
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| 22 |
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| 23 | </sect2>
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| 24 |
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| 25 | <sect2 role="installation">
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| 26 | <title>Installation of Procps-ng</title>
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| 27 |
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| 28 | <para os="a">Prepare procps-ng for compilation:</para>
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| 29 |
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| 30 | <screen os="b"><userinput>./configure --prefix=/usr --exec-prefix= \
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| 31 | --libdir=/usr/lib --docdir=/usr/share/doc/procps-ng-&procps-ng-version; \
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| 32 | --disable-kill</userinput></screen>
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| 33 |
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| 34 | <variablelist os="c">
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| 35 | <title>The meaning of the configure options:</title>
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| 36 | <varlistentry>
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| 37 | <term><parameter>--disable-kill</parameter></term>
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| 38 | <listitem>
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| 39 | <para>This switch disables building the kill command that
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| 40 | was installed in the util-linux package.</para>
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| 41 | </listitem>
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| 42 | </varlistentry>
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| 43 | </variablelist>
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| 44 |
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| 45 | <para os="d">Compile the package:</para>
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| 46 |
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| 47 | <screen os="e"><userinput>make</userinput></screen>
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| 48 |
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| 49 | <note os="note1">
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| 50 | <para>When using the boot method, two tests will fail if the hostname is
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| 51 | not set:</para>
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| 52 |
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| 53 | <screen><userinput remap="test">hostname clfs</userinput></screen>
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| 54 | </note>
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| 55 |
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| 56 | <para os="f">Remove the test which fails when scripting does not use a tty
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| 57 | device. Run the following commands:</para>
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| 58 |
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| 59 | <screen os="g"><userinput remap="test">sed -i -r 's|(pmap_initname)\\\$|\1|' testsuite/pmap.test/pmap.exp
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| 60 | make check</userinput></screen>
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| 61 |
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| 62 | <para os="h">Install the package:</para>
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| 63 |
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| 64 | <screen os="i"><userinput>make install</userinput></screen>
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| 65 |
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| 66 | <para os="j">Move essential files to a location that can be found if <filename class="directory">/usr</filename> is not mounted.</para>
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| 67 |
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| 68 | <screen os="k"><userinput>mv -v /usr/bin/pidof /bin
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| 69 | mv -v /usr/lib/libprocps.so.* /lib
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| 70 | ln -sfv ../../lib/$(readlink /usr/lib/libprocps.so) /usr/lib/libprocps.so</userinput></screen>
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| 71 |
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| 72 | </sect2>
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| 73 |
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| 74 | <sect2 id="contents-procps-ng" role="content">
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| 75 | <title>Contents of Procps-ng</title>
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| 76 |
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| 77 | <segmentedlist>
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| 78 | <segtitle>Installed programs</segtitle>
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| 79 | <segtitle>Installed library</segtitle>
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| 80 | <segtitle>Installed directories</segtitle>
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| 81 |
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| 82 | <seglistitem>
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| 83 | <seg>free, pgrep, pidof, pkill, pmap, ps, pwdx, slabtop, sysctl, tload,
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| 84 | top, uptime, vmstat, w, and watch</seg>
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| 85 | <seg>libprocps.{a,so}</seg>
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| 86 | <seg>/usr/include/proc, /usr/share/doc/procps-ng-&procps-ng-version;</seg>
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| 87 | </seglistitem>
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| 88 | </segmentedlist>
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| 89 |
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| 90 | <variablelist>
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| 91 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 92 | <?dbfo list-presentation="list"?>
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| 93 | <?dbhtml list-presentation="table"?>
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| 94 |
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| 95 | <varlistentry id="free">
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| 96 | <term><command>free</command></term>
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| 97 | <listitem>
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| 98 | <para>Reports the amount of free and used memory (both physical and
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| 99 | swap memory) in the system</para>
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| 100 | <indexterm zone="ch-system-procps-ng free">
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| 101 | <primary sortas="b-free">free</primary>
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| 102 | </indexterm>
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| 103 | </listitem>
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| 104 | </varlistentry>
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| 105 |
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| 106 | <varlistentry id="pgrep">
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| 107 | <term><command>pgrep</command></term>
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| 108 | <listitem>
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| 109 | <para>Looks up processes based on their name and other attributes</para>
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| 110 | <indexterm zone="ch-system-procps-ng pgrep">
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| 111 | <primary sortas="b-pgrep">pgrep</primary>
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| 112 | </indexterm>
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| 113 | </listitem>
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| 114 | </varlistentry>
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| 115 |
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| 116 | <varlistentry id="pidof">
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| 117 | <term><command>pidof</command></term>
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| 118 | <listitem>
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| 119 | <para>Looks up processes based on their name and other attributes</para>
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| 120 | <indexterm zone="ch-system-procps-ng pidof">
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| 121 | <primary sortas="b-pidof">pidof</primary>
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| 122 | </indexterm>
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| 123 | </listitem>
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| 124 | </varlistentry>
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| 125 |
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| 126 | <varlistentry id="pkill">
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| 127 | <term><command>pkill</command></term>
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| 128 | <listitem>
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| 129 | <para>Signals processes based on their name and other attributes</para>
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| 130 | <indexterm zone="ch-system-procps-ng pkill">
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| 131 | <primary sortas="b-pkill">pkill</primary>
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| 132 | </indexterm>
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| 133 | </listitem>
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| 134 | </varlistentry>
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| 135 |
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| 136 | <varlistentry id="pmap">
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| 137 | <term><command>pmap</command></term>
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| 138 | <listitem>
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| 139 | <para>Reports the memory map of the given process</para>
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| 140 | <indexterm zone="ch-system-procps-ng pmap">
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| 141 | <primary sortas="b-pmap">pmap</primary>
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| 142 | </indexterm>
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| 143 | </listitem>
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| 144 | </varlistentry>
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| 145 |
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| 146 | <varlistentry id="ps">
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| 147 | <term><command>ps</command></term>
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| 148 | <listitem>
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| 149 | <para>Lists the current running processes</para>
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| 150 | <indexterm zone="ch-system-procps-ng ps">
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| 151 | <primary sortas="b-ps">ps</primary>
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| 152 | </indexterm>
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| 153 | </listitem>
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| 154 | </varlistentry>
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| 155 |
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| 156 | <varlistentry id="pwdx">
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| 157 | <term><command>pwdx</command></term>
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| 158 | <listitem>
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| 159 | <para>Reports the current working directory of a process</para>
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| 160 | <indexterm zone="ch-system-procps-ng pwdx">
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| 161 | <primary sortas="b-pwdx">pwdx</primary>
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| 162 | </indexterm>
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| 163 | </listitem>
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| 164 | </varlistentry>
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| 165 |
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| 166 | <varlistentry id="slabtop">
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| 167 | <term><command>slabtop</command></term>
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| 168 | <listitem>
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| 169 | <para>Displays detailed kernel slab cache information in real time</para>
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| 170 | <indexterm zone="ch-system-procps-ng slabtop">
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| 171 | <primary sortas="b-slabtop">slabtop</primary>
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| 172 | </indexterm>
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| 173 | </listitem>
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| 174 | </varlistentry>
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| 175 |
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| 176 |
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| 177 | <varlistentry id="sysctl">
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| 178 | <term><command>sysctl</command></term>
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| 179 | <listitem>
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| 180 | <para>Modifies kernel parameters at run time</para>
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| 181 | <indexterm zone="ch-system-procps-ng sysctl">
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| 182 | <primary sortas="b-sysctl">sysctl</primary>
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| 183 | </indexterm>
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| 184 | </listitem>
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| 185 | </varlistentry>
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| 186 |
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| 187 | <varlistentry id="tload">
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| 188 | <term><command>tload</command></term>
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| 189 | <listitem>
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| 190 | <para>Prints a graph of the current system load average</para>
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| 191 | <indexterm zone="ch-system-procps-ng tload">
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| 192 | <primary sortas="b-tload">tload</primary>
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| 193 | </indexterm>
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| 194 | </listitem>
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| 195 | </varlistentry>
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| 196 |
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| 197 | <varlistentry id="top">
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| 198 | <term><command>top</command></term>
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| 199 | <listitem>
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| 200 | <para>Displays a list of the most CPU intensive processes; it
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| 201 | provides an ongoing look at processor activity in real time</para>
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| 202 | <indexterm zone="ch-system-procps-ng top">
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| 203 | <primary sortas="b-top">top</primary>
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| 204 | </indexterm>
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| 205 | </listitem>
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| 206 | </varlistentry>
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| 207 |
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| 208 | <varlistentry id="uptime">
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| 209 | <term><command>uptime</command></term>
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| 210 | <listitem>
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| 211 | <para>Reports how long the system has been running, how many users are
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| 212 | logged on, and the system load averages</para>
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| 213 | <indexterm zone="ch-system-procps-ng uptime">
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| 214 | <primary sortas="b-uptime">uptime</primary>
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| 215 | </indexterm>
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| 216 | </listitem>
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| 217 | </varlistentry>
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| 218 |
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| 219 | <varlistentry id="vmstat">
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| 220 | <term><command>vmstat</command></term>
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| 221 | <listitem>
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| 222 | <para>Reports virtual memory statistics, giving information about
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| 223 | processes, memory, paging, block Input/Output (IO), traps, and CPU
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| 224 | activity</para>
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| 225 | <indexterm zone="ch-system-procps-ng vmstat">
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| 226 | <primary sortas="b-vmstat">vmstat</primary>
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| 227 | </indexterm>
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| 228 | </listitem>
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| 229 | </varlistentry>
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| 230 |
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| 231 | <varlistentry id="w">
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| 232 | <term><command>w</command></term>
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| 233 | <listitem>
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| 234 | <para>Shows which users are currently logged on, where, and since
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| 235 | when</para>
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| 236 | <indexterm zone="ch-system-procps-ng w">
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| 237 | <primary sortas="b-w">w</primary>
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| 238 | </indexterm>
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| 239 | </listitem>
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| 240 | </varlistentry>
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| 241 |
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| 242 | <varlistentry id="watch">
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| 243 | <term><command>watch</command></term>
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| 244 | <listitem>
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| 245 | <para>Runs a given command repeatedly, displaying the first
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| 246 | screen-full of its output; this allows a user to watch the output
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| 247 | change over time</para>
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| 248 | <indexterm zone="ch-system-procps-ng watch">
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| 249 | <primary sortas="b-watch">watch</primary>
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| 250 | </indexterm>
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| 251 | </listitem>
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| 252 | </varlistentry>
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| 253 |
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| 254 | <varlistentry id="libprocps">
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| 255 | <term><filename class="libraryfile">libprocps</filename></term>
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| 256 | <listitem>
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| 257 | <para>Contains the functions used by most programs in this
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| 258 | package</para>
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| 259 | <indexterm zone="ch-system-procps-ng libprocps">
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| 260 | <primary sortas="c-libprocps">libprocps</primary>
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| 261 | </indexterm>
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| 262 | </listitem>
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| 263 | </varlistentry>
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| 264 |
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| 265 | </variablelist>
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| 266 |
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| 267 | </sect2>
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| 268 |
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| 269 | </sect1>
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