DOS computers manufactured

DOS computers manufactured by companies such as IBM, Compaq, Tandy, and millions of others are by far the most popular, with about 70 million machines in use worldwide. Macintosh fans, on the other hand, may note that cockroaches are far more numerous than humans, and that numbers alone do not denote a higher life form.

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DOS is an operating system created for use on the Tandy Model 4, 4P and 4D computer systems. A port was also developed for the Tandy Model II/12 computer systems but this was never seriously exploited. DOS was originally developed by Logical Systems, and it is a descendant of the DOS operating system which was sold for Tandy/Radio Shack Model I and Model III computers.



Ravi shankar