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<sect2><title>Short descriptions</title>
<para><command>bigram</command> was formerly used to produce locate
databases.</para>
<para><command>code</command> was formerly used to produce locate
databases. It is the ancestor of frcode.</para>
<para><command>find</command> searches given directory trees for files
matching the specified criteria.</para>
<para><command>frcode</command> is called by updatedb to compress the
list of file names. It uses front-compression, reducing the database size by a
factor of 4 to 5.</para>
<para><command>locate</command> searches through a database of file names,
and reports the names that contain a given string or match a given pattern.</para>
<para><command>updatedb</command> updates the locate database. It scans
the entire file system (including other file systems that are currently mounted,
unless told not to) and puts every file name it finds in the database.</para>
<para><command>xargs</command> can be used to apply a given command to
a list of files.</para>
</sect2>
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