FASTHELP Displays a list of all MS-DOS commands and gives a brief explanation of each. The information that the FASTHELP command displays is similar to, but less detailed than, the information found in MS-DOS Help. Syntax FASTHELP [command] [command] /? Parameter command Specifies the name of the command about which you want information. If you do not specify a command name, the FASTHELP command lists and briefly describes every command provided with MS-DOS. Related Command For information about MS-DOS Help, see the command.