<sect2><title> </title><para> </para></sect2> <sect2><title>Descriptions</title> <para>(Last checked against version &diffutils-contversion;.)</para> <sect3><title>Program file descriptions</title> <para><command>cmp</command> compares two files and reports whether or in which bytes they differ.</para> <para><command>diff</command> compares two files or directories and reports which lines in the files differ.</para> <para><command>diff3</command> compares three files line by line.</para> <para><command>sdiff</command> merges two files and interactively outputs the results.</para> </sect3> </sect2>