Debug is just like a command that is used for to allows users to examine and alter memory content sources which occur within the operating system. The main functionality of Debug is used for to find out the syntax and logical problems from source code. The Debug command allows users to examine memory contents, make changes and then execute COM, .exe and other file types. Debugging or Debug is the routine process of locating and removing computer program bugs, errors or abnormalities, which is methodically handled by software programmers via debugging tools. Debug checks detects and corrects errors or bugs to allow proper program operation according to set specifications.