source: BOOK/final-system/common/procps.xml@ 3d35a7a

clfs-1.2 clfs-2.1 clfs-3.0.0-systemd clfs-3.0.0-sysvinit systemd sysvinit
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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-procps" role="wrap">
9 <?dbhtml filename="procps.html"?>
10
11 <title>Procps-&procps-version;</title>
12
13 <indexterm zone="ch-system-procps">
14 <primary sortas="a-Procps">Procps</primary>
15 </indexterm>
16
17 <sect2 role="package">
18 <title/>
19
20 <para>The Procps package contains programs for monitoring
21 processes.</para>
22
23 </sect2>
24
25 <sect2 role="installation">
26 <title>Installation of Procps</title>
27
28 <para os="a">Compile the package:</para>
29
30<screen os="b"><userinput>make</userinput></screen>
31
32 <para os="c">This package does not come with a test suite.</para>
33
34 <para os="d">Install the package:</para>
35
36<screen os="e"><userinput>make install</userinput></screen>
37
38 </sect2>
39
40 <sect2 id="contents-procps" role="content">
41 <title>Contents of Procps</title>
42
43 <segmentedlist>
44 <segtitle>Installed programs</segtitle>
45 <segtitle>Installed library</segtitle>
46
47 <seglistitem>
48 <seg>free, kill, pgrep, pkill, pmap, ps, pwdx, skill, slabtop, snice, sysctl,
49 tload, top, uptime, vmstat, w, and watch</seg>
50 <seg>libproc.so</seg>
51 </seglistitem>
52 </segmentedlist>
53
54 <variablelist>
55 <bridgehead renderas="sect3">Short Descriptions</bridgehead>
56 <?dbfo list-presentation="list"?>
57 <?dbhtml list-presentation="table"?>
58
59 <varlistentry id="free">
60 <term><command>free</command></term>
61 <listitem>
62 <para>Reports the amount of free and used memory (both physical and
63 swap memory) in the system</para>
64 <indexterm zone="ch-system-procps free">
65 <primary sortas="b-free">free</primary>
66 </indexterm>
67 </listitem>
68 </varlistentry>
69
70 <varlistentry id="kill">
71 <term><command>kill</command></term>
72 <listitem>
73 <para>Sends signals to processes</para>
74 <indexterm zone="ch-system-procps kill">
75 <primary sortas="b-kill">kill</primary>
76 </indexterm>
77 </listitem>
78 </varlistentry>
79
80 <varlistentry id="pgrep">
81 <term><command>pgrep</command></term>
82 <listitem>
83 <para>Looks up processes based on their name and other attributes</para>
84 <indexterm zone="ch-system-procps pgrep">
85 <primary sortas="b-pgrep">pgrep</primary>
86 </indexterm>
87 </listitem>
88 </varlistentry>
89
90 <varlistentry id="pkill">
91 <term><command>pkill</command></term>
92 <listitem>
93 <para>Signals processes based on their name and other attributes</para>
94 <indexterm zone="ch-system-procps pkill">
95 <primary sortas="b-pkill">pkill</primary>
96 </indexterm>
97 </listitem>
98 </varlistentry>
99
100 <varlistentry id="pmap">
101 <term><command>pmap</command></term>
102 <listitem>
103 <para>Reports the memory map of the given process</para>
104 <indexterm zone="ch-system-procps pmap">
105 <primary sortas="b-pmap">pmap</primary>
106 </indexterm>
107 </listitem>
108 </varlistentry>
109
110 <varlistentry id="ps">
111 <term><command>ps</command></term>
112 <listitem>
113 <para>Lists the current running processes</para>
114 <indexterm zone="ch-system-procps ps">
115 <primary sortas="b-ps">ps</primary>
116 </indexterm>
117 </listitem>
118 </varlistentry>
119
120 <varlistentry id="pwdx">
121 <term><command>pwdx</command></term>
122 <listitem>
123 <para>Reports the current working directory of a process</para>
124 <indexterm zone="ch-system-procps pwdx">
125 <primary sortas="b-pwdx">pwdx</primary>
126 </indexterm>
127 </listitem>
128 </varlistentry>
129
130 <varlistentry id="skill">
131 <term><command>skill</command></term>
132 <listitem>
133 <para>Sends signals to processes matching the given criteria</para>
134 <indexterm zone="ch-system-procps skill">
135 <primary sortas="b-skill">skill</primary>
136 </indexterm>
137 </listitem>
138 </varlistentry>
139
140 <varlistentry id="slabtop">
141 <term><command>slabtop</command></term>
142 <listitem>
143 <para>Displays detailed kernel slab cache information in real time</para>
144 <indexterm zone="ch-system-procps slabtop">
145 <primary sortas="b-slabtop">slabtop</primary>
146 </indexterm>
147 </listitem>
148 </varlistentry>
149
150 <varlistentry id="snice">
151 <term><command>snice</command></term>
152 <listitem>
153 <para>Changes the scheduling priority of processes matching the given
154 criteria</para>
155 <indexterm zone="ch-system-procps snice">
156 <primary sortas="b-snice">snice</primary>
157 </indexterm>
158 </listitem>
159 </varlistentry>
160
161 <varlistentry id="sysctl">
162 <term><command>sysctl</command></term>
163 <listitem>
164 <para>Modifies kernel parameters at run time</para>
165 <indexterm zone="ch-system-procps sysctl">
166 <primary sortas="b-sysctl">sysctl</primary>
167 </indexterm>
168 </listitem>
169 </varlistentry>
170
171 <varlistentry id="tload">
172 <term><command>tload</command></term>
173 <listitem>
174 <para>Prints a graph of the current system load average</para>
175 <indexterm zone="ch-system-procps tload">
176 <primary sortas="b-tload">tload</primary>
177 </indexterm>
178 </listitem>
179 </varlistentry>
180
181 <varlistentry id="top">
182 <term><command>top</command></term>
183 <listitem>
184 <para>Displays a list of the most CPU intensive processes; it
185 provides an ongoing look at processor activity in real time</para>
186 <indexterm zone="ch-system-procps top">
187 <primary sortas="b-top">top</primary>
188 </indexterm>
189 </listitem>
190 </varlistentry>
191
192 <varlistentry id="uptime">
193 <term><command>uptime</command></term>
194 <listitem>
195 <para>Reports how long the system has been running, how many users are
196 logged on, and the system load averages</para>
197 <indexterm zone="ch-system-procps uptime">
198 <primary sortas="b-uptime">uptime</primary>
199 </indexterm>
200 </listitem>
201 </varlistentry>
202
203 <varlistentry id="vmstat">
204 <term><command>vmstat</command></term>
205 <listitem>
206 <para>Reports virtual memory statistics, giving information about
207 processes, memory, paging, block Input/Output (IO), traps, and CPU
208 activity</para>
209 <indexterm zone="ch-system-procps vmstat">
210 <primary sortas="b-vmstat">vmstat</primary>
211 </indexterm>
212 </listitem>
213 </varlistentry>
214
215 <varlistentry id="w">
216 <term><command>w</command></term>
217 <listitem>
218 <para>Shows which users are currently logged on, where, and since
219 when</para>
220 <indexterm zone="ch-system-procps w">
221 <primary sortas="b-w">w</primary>
222 </indexterm>
223 </listitem>
224 </varlistentry>
225
226 <varlistentry id="watch">
227 <term><command>watch</command></term>
228 <listitem>
229 <para>Runs a given command repeatedly, displaying the first
230 screen-full of its output; this allows a user to watch the output
231 change over time</para>
232 <indexterm zone="ch-system-procps watch">
233 <primary sortas="b-watch">watch</primary>
234 </indexterm>
235 </listitem>
236 </varlistentry>
237
238 <varlistentry id="libproc">
239 <term><filename class="libraryfile">libproc</filename></term>
240 <listitem>
241 <para>Contains the functions used by most programs in this
242 package</para>
243 <indexterm zone="ch-system-procps libproc">
244 <primary sortas="c-libproc">libproc</primary>
245 </indexterm>
246 </listitem>
247 </varlistentry>
248
249 </variablelist>
250
251 </sect2>
252
253</sect1>
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