ECHO(OPCSDEFS)      Optical Printer Control System       ECHO(OPCSDEFS)

    NAME
	echo - enable/disable echoing of certain defs commands

    USAGE
        echo [on|off]

    EXAMPLES
        echo on       # enable echoing
        echo off      # disable echoing

    DESCRIPTION
        Some opcsdefs commands (such as '!') echo messages to the screen.
	In cases where this is not desirable, 'echo off' can be used
	to disable this.

	Also, '@' can be used to prefix any command, to disable its echoing.
	'@' only affects the command it precedes.

    ORIGIN
	Added K1.12d+ Gregory Ercolano, Venice California 04/09/98