<sect2> <title>Contents</title> <para>The Diffutils package contains the cmp, diff, diff3 and sdiff programs.</para> </sect2> <sect2><title>Description</title> <sect3><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> </sect3> <sect3><title>diff3</title> <para>The difference between diff and diff3 is that diff compares 2 files, diff3 compares 3 files.</para> </sect3> <sect3><title>sdiff</title> <para>sdiff merges two files and interactively outputs the results.</para> </sect3> </sect2>