Early IBM Compatible DOS Computers Homepage at Old School Gamer

The IBM Compatible Computer of the 1980s ran on DOS.  While initially developed for the IBM series of computers it spread like wildfire through the computing arena.

DOS (/dɒs//dɔːs/)is a platform-independent acronym for “disk operating system” that later became a common shorthand for disk-based operating systems on IBM PC compatibles  DOS primarily consists of Microsoft‘s MS-DOS and a rebranded version under the name IBM PC DOS, both of which were introduced in 1981. MS-DOS dominated the IBM PC compatible market between 1981 and 1995.. – Information from Wikipedia.

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