<sect2><title> </title><para> </para></sect2> <sect2><title>Descriptions</title> <para>(Last checked against version &diffutils-contversion;.)</para> <sect3><title>Program file descriptions</title> <sect4><title>cmp and diff</title> <para>cmp and diff both compare two files and report their differences. Both programs have extra options which compare files in different situations.</para></sect4> <sect4><title>diff3</title> <para>The difference between diff and diff3 is that diff compares 2 files, diff3 compares 3 files.</para></sect4> <sect4><title>sdiff</title> <para>sdiff merges two files and interactively outputs the results.</para></sect4> </sect3> </sect2>