| 1 | <sect2>
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| 2 | <title>Contents</title>
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| 3 |
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| 4 | <para>
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| 5 | The Procps package contains the free, kill, oldps, ps, skill, snice,
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| 6 | sysctl, tload, top, uptime, vmstat, w and watch programs.
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| 7 | </para>
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| 8 |
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| 9 | </sect2>
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| 10 |
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| 11 | <sect2><title>Description</title>
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| 12 |
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| 13 | <sect3><title>free</title>
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| 14 |
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| 15 | <para>
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| 16 | free displays the total amount of free and used physical and swap memory
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| 17 | in the system, as well as the shared memory and buffers used by the kernel.
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| 18 | </para>
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| 19 |
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| 20 | </sect3>
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| 21 |
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| 22 | <sect3><title>kill</title>
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| 23 |
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| 24 | <para>
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| 25 | kills sends signals to processes.
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| 26 | </para>
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| 27 |
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| 28 | </sect3>
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| 29 |
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| 30 | <sect3><title>oldps and ps</title>
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| 31 |
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| 32 | <para>
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| 33 | ps gives a snapshot of the current processes.
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| 34 | </para>
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| 35 |
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| 36 | </sect3>
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| 37 |
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| 38 | <sect3><title>skill</title>
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| 39 |
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| 40 | <para>
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| 41 | skill sends signals to process matching a criteria.
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| 42 | </para>
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| 43 |
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| 44 | </sect3>
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| 45 |
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| 46 | <sect3><title>snice</title>
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| 47 |
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| 48 | <para>
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| 49 | snice changes the scheduling priority for process matching a criteria.
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| 50 | </para>
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| 51 |
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| 52 | </sect3>
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| 53 |
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| 54 | <sect3><title>sysctl</title>
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| 55 |
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| 56 | <para>
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| 57 | sysctl modifies kernel parameters at runtime.
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| 58 | </para>
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| 59 |
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| 60 | </sect3>
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| 61 |
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| 62 | <sect3><title>tload</title>
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| 63 |
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| 64 | <para>
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| 65 | tload prints a graph of the current system load average to the specified
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| 66 | tty (or the tty of the tload process if none is specified).
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| 67 | </para>
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| 68 |
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| 69 | </sect3>
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| 70 |
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| 71 | <sect3><title>top</title>
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| 72 |
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| 73 | <para>
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| 74 | top provides an ongoing look at processor activity in real time.
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| 75 | </para>
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| 76 |
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| 77 | </sect3>
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| 78 |
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| 79 | <sect3><title>uptime</title>
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| 80 |
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| 81 | <para>
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| 82 | uptime gives a one line display of the following information: the current
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| 83 | time, how long the system has been running, how many users are currently
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| 84 | logged on, and the system load averages for the past 1, 5, and 15 minutes.
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| 85 | </para>
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| 86 |
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| 87 | </sect3>
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| 88 |
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| 89 | <sect3><title>vmstat</title>
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| 90 |
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| 91 | <para>
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| 92 | vmstat reports information about processes, memory, paging, block IO,
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| 93 | traps, and cpu activity.
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| 94 | </para>
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| 95 |
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| 96 | </sect3>
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| 97 |
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| 98 | <sect3><title>w</title>
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| 99 |
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| 100 | <para>
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| 101 | w displays information about the users currently on the machine, and
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| 102 | their processes.
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| 103 | </para>
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| 104 |
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| 105 | </sect3>
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| 106 |
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| 107 | <sect3><title>watch</title>
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| 108 |
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| 109 | <para>
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| 110 | watch runs command repeatedly, displaying its output (the first screenfull).
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| 111 | </para>
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| 112 |
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| 113 | </sect3>
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| 114 |
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| 115 | </sect2>
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| 116 |
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