DOS

This is The Unofficial Dos site.

DOS is a platform-independent acronym for Disk Operating System which 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 IBM version under the name PC DOS, both of which were introduced in 1981. - Credit Goes to Wikipedia an Google

If you want download dos go to https://www.freedos.org/download/ and https://winworldpc.com/product/ms-dos/622.

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