<sect2><title> </title><para> </para></sect2> <sect2><title>Descriptions</title> <para>Last checked against version &ed-contversion;.</para> <sect3><title>Program file description</title> <sect4><title>ed</title> <para>ed is a line-oriented text editor. It is used to create, display, modify and otherwise manipulate text files.</para></sect4> <sect4><title>red</title> <para>red is a restricted ed: it can only edit files in the current directory and cannot execute shell commands.</para></sect4> </sect3> </sect2>