Debug (command)

DEBUG is a system program for debugging ( debuggers ), which has been developed by Tim Paterson for the 86- DOS. After the takeover by Microsoft DEBUG was a constant component of MS- DOS, it is now to find a command-line program is still in many versions of the successor of Microsoft Windows. For commercial use, the program was less suitable as correct assembly programs, but with his help were computer users who wanted to deal with the internals of the unit, examine their system, fix minor problems or make creative enhancements. In addition to the ability to execute step by step existing programs and look at memory and drive content directly, there was also the opportunity to write their own programs in assembly language, which had to be limited to the real mode of the 8086 processor and instruction set, however.

Even FreeDOS, which represents a free copy of MS- DOS, MS-DOS and other competitors such as DR- DOS contain similar debugger, which have in common the name and the handling of many commands with the program from Microsoft. As the development of MS- DOS in the late 90s has been set, these programs offer some advanced capabilities compared to the original.

Typical output of the program as an example of the appearance: