[SCA Command] Sets the command language to the specified syntax.

    Format

      SET COMMAND LANGUAGE command_language

    The command language options are PORTABLE and VMS.  The PORTABLE
    option enables the portable comnmand-language parser.  On OpenVMS,
    the VMS option enables the VMS-only Command Language Interpreter
    (CLI) parser.  The VMS option is not available on ULTRIX.