lfs-book/appendixa/psmisc-desc.xml

<sect2>
<title>Contents</title>

<para>The Psmisc package contains the fuser, killall, pidof and pstree 
programs.</para>

</sect2>

<sect2><title>Description</title>

<sect3><title>fuser</title>

<para>fuser displays the PIDs of processes using the specified files or file 
systems.</para>

</sect3>

<sect3><title>killall</title>

<para>killall sends a signal to all processes running any of the specified 
commands.</para>

</sect3>

<sect3><title>pidof</title>

<para>Pidof finds the process id's (pids) of the named programs and
prints those id's on standard output. If you want to use this pidof
version (by default we use sysvinit's version which is more powerful),
you will have to create pidof as a symlink manually that points to this
package's killall program.</para>

</sect3>

<sect3><title>pstree</title>

<para>pstree shows running processes as a tree.</para>

</sect3>

</sect2>