| 1 | <sect2><title>Short descriptions</title>
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| 2 |
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| 3 | <para><command>free</command> reports the amount of free and used memory
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| 4 | in the system, both physical and swap memory.</para>
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| 5 |
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| 6 | <para><command>kill</command> is used to send signals to processes.</para>
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| 7 |
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| 8 | <para><command>pgrep</command> looks up processes based on their name
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| 9 | and other attributes.</para>
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| 10 |
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| 11 | <para><command>pkill</command> signals processes based on their name
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| 12 | and other attributes.</para>
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| 13 |
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| 14 | <para><command>pmap</command> reports the memory map of the given
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| 15 | process.</para>
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| 16 |
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| 17 | <para><command>ps</command> gives a snapshot of the current processes.</para>
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| 18 |
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| 19 | <para><command>skill</command> sends signals to processes matching the
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| 20 | given criteria.</para>
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| 21 |
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| 22 | <para><command>snice</command> changes the scheduling priority of processes
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| 23 | matching the given criteria.</para>
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| 24 |
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| 25 | <para><command>sysctl</command> modifies kernel parameters at run time.</para>
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| 26 |
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| 27 | <para><command>tload</command> prints a graph of the current system load
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| 28 | average.</para>
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| 29 |
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| 30 | <para><command>top</command> displays the top CPU processes. It provides
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| 31 | an ongoing look at processor activity in real time.</para>
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| 32 |
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| 33 | <para><command>uptime</command> reports how long the system has been
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| 34 | running, how many users are logged on, and the system load averages.</para>
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| 35 |
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| 36 | <para><command>vmstat</command> reports virtual memory statistics, giving
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| 37 | information about processes, memory, paging, block IO, traps, and CPU
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| 38 | activity.</para>
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| 39 |
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| 40 | <para><command>w</command> shows which users are currently logged on,
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| 41 | where and since when.</para>
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| 42 |
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| 43 | <para><command>watch</command> runs a given command repeatedly,
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| 44 | displaying the first screenful of its output. This allows you to watch the
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| 45 | output change over time.</para>
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| 46 |
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| 47 | <para><command>libproc</command> contains the functions used by most
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| 48 | programs in this package.</para>
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| 49 |
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| 50 | </sect2>
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| 51 |
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