<sect2> <title>Contents</title> <para> The Psmisc package contains the fuser, killall 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>pstree</title> <para> pstree shows running processes as a tree. </para> </sect3> </sect2>