HELP Starts MS-DOS Help. Syntax HELP [/B] [/G] [/H] [/NOHI] [topic] Switches /B Allows use of a monochrome monitor with a color graphics card. /G Provides the fastest update of a CGA screen. /H Displays the maximum number of lines possible for your hardware. /NOHI Allows the use of a monitor without high-intensity support. Parameter topic Specifies the command whose help topic you want to display. Related Command For information about other online Help information, see the command.