Microsoft DOS fasthelp command

Updated: 11/13/2018 by Computer Hope

About fasthelp

Command that provides instant access to all of the MS-DOS commands, giving you a brief on each command; may not work in some versions of MS-DOS.


The fasthelp command is an external command that is available in the below Microsoft operating systems as fasthelp.exe.

Note: Fasthelp was a command only available through MS-DOS. After the release of Microsoft Windows 95, fasthelp has no longer been available. If you want to display help on any command, use the switch /? after any command.

Fasthelp syntax

Provides help information for MS-DOS commands.

FASTHELP [command]

command Displays help information on that command.

Fasthelp examples


Display the help on most DOS commands, giving you a brief on each.

Additional information

  • See our help definition for further information and related links on this term.