source: appendixa/procps-desc.xml@ cac792e

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Last change on this file since cac792e was b822811, checked in by Mark Hymers <markh@…>, 23 years ago

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git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@827 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

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[6370fa6]1<sect2>
2<title>Contents</title>
3
[b822811]4<para>The Procps package contains the free, kill, oldps, ps, skill, snice,
5sysctl, tload, top, uptime, vmstat, w and watch programs.</para>
[6370fa6]6
7</sect2>
8
9<sect2><title>Description</title>
10
11<sect3><title>free</title>
12
[b822811]13<para>free displays the total amount of free and used physical and swap memory
14in the system, as well as the shared memory and buffers used by the
15kernel.</para>
[6370fa6]16
17</sect3>
18
19<sect3><title>kill</title>
20
[b822811]21<para>kills sends signals to processes.</para>
[6370fa6]22
23</sect3>
24
25<sect3><title>oldps and ps</title>
26
[b822811]27<para>ps gives a snapshot of the current processes.</para>
[6370fa6]28
29</sect3>
30
31<sect3><title>skill</title>
32
[b822811]33<para>skill sends signals to process matching a criteria.</para>
[6370fa6]34
35</sect3>
36
37<sect3><title>snice</title>
38
[b822811]39<para>snice changes the scheduling priority for process matching a
40criteria.</para>
[6370fa6]41
42</sect3>
43
44<sect3><title>sysctl</title>
45
[b822811]46<para>sysctl modifies kernel parameters at runtime.</para>
[6370fa6]47
48</sect3>
49
50<sect3><title>tload</title>
51
[b822811]52<para>tload prints a graph of the current system load average to the
53specified tty (or the tty of the tload process if none is specified).</para>
[6370fa6]54
55</sect3>
56
57<sect3><title>top</title>
58
[b822811]59<para>top provides an ongoing look at processor activity in real time.</para>
[6370fa6]60
61</sect3>
62
63<sect3><title>uptime</title>
64
[b822811]65<para>uptime gives a one line display of the following information: the current
[6370fa6]66time, how long the system has been running, how many users are currently
[b822811]67logged on, and the system load averages for the past 1, 5, and 15
68minutes.</para>
[6370fa6]69
70</sect3>
71
72<sect3><title>vmstat</title>
73
[b822811]74<para>vmstat reports information about processes, memory, paging, block IO,
75traps, and cpu activity.</para>
[6370fa6]76
77</sect3>
78
79<sect3><title>w</title>
80
[b822811]81<para>w displays information about the users currently on the machine, and
82their processes.</para>
[6370fa6]83
84</sect3>
85
86<sect3><title>watch</title>
87
[b822811]88<para>watch runs command repeatedly, displaying its output (the first
89screen full).</para>
[6370fa6]90
91</sect3>
92
93</sect2>
94
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