DOS Command Fasthelp
Type: External (6.0 and later)
Syntax:
FASTHELP [command]
[command] /?
Purpose: Displays a list of DOS commands with a brief
explanation of each (new with DOS Version 6).
Discussion
The information provided in MS-DOS Help is more inclusive than that
provided by FASTHELP, but if you just need a brief reminder,
FASTHELP may be the best choice.
Example
To display help information for the DIR command, enter
fasthelp dir
This page is from http://www.easydos.com. I pasted it on my website to avoid possible broken links. For further help with DOS commands, Check easydos.com out.