<sect2><title> </title><para> </para></sect2> <sect2><title>Short descriptions</title> <para><command>less</command> is a file viewer or pager. It displays the contents of the given file, letting you scroll around, find strings, and jump to marks.</para> <para><command>lessecho</command> is needed to expand metacharacters, such as * and ?, in filenames on Unix systems.</para> <para><command>lesskey</command> is used to specify the key bindings for less.</para> </sect2>