The description below is from the book DOS the
Easy Way by Everett Murdock Ph.D.
for information about downloading the book.
Type: External (1.0 and later)
DEBUG [pathname] [parameters]
Purpose: An MS-DOS utility used to test and edit programs.
The DEBUG utility is a programmer`s tool that provides access to your
at the hardware level. More extensive information on the DEBUG utility
functions are provided in the Technical Reference manual provided by
Be sure that you know what you are doing when using the DEBUG utility.
This is a powerful programmer`s tool that can be used to gain access
to your computer at the hardware level.