lfs-book-zh_CN/appendixa/procinfo-desc.xml

<sect2><title>Short descriptions</title>

<para><command>lsdev</command> lists the devices present in your system,
and which IRQs and IO ports they use.</para>

<para><command>procinfo</command> displays an overview of some of the info
present in the virtual proc file system.</para>

<para><command>socklist</command> lists the open sockets, reporting their
type, portnumber, and other specifics.</para>

</sect2>