Also see Disk Operating System.
MS-DOS (Microsoft Disk Operating System) was the Microsoft-marketed version of the first widely-installed operating system in personal computers. It was essentially the same operating system that Bill Gates's young company developed for IBM as Personal Computer - Disk Operating System (PC-DOS). Most users of either DOS system simply referred to their system as Disk Operating System. Like PC-DOS, MS-DOS was (and still is) a non-graphical line-oriented command-driven operating system, with a relatively simple interface but not overly "friendly" user interface. Its prompt to enter a command looks like this:
By submitting your personal information, you agree that TechTarget and its partners may contact you regarding relevant content, products and special offers.
The first Microsoft Windows operating system was really an application that ran on top of the MS-DOS operating system. Today, Windows operating systems continue to support DOS (or a DOS-like user interface) for special purposes by emulating the operating system.
In the 1970s before the personal computer was invented, IBM had a different and unrelated DOS that ran on smaller business computers. It was replaced by IBM's VSE operating system.
Continue Reading About MS-DOS (Microsoft Disk Operating System)
- For a glimpse of the DOS command interface, see Everett Murdock's DOS Command Index , which lists and describes many DOS commands.