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