lfs-book-zh_CN/appendixa/tar-desc.sgml

<sect2>
<title>Contents</title>

<para>
The tar package contains the tar and rmt programs.
</para>

</sect2>

<sect2><title>Description</title>

<sect3><title>tar</title>

<para>
tar is an archiving program designed to store and extract files from
an archive file known as a tarfile.
</para>

</sect3>

<sect3><title>rmt</title>

<para>
rmt is a program used by the remote dump and restore programs in 
manipulating a magnetic tape drive through an interprocess communication
connection.
</para>

</sect3>

</sect2>