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What is DOS (Disk Operating System)?

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Question added by Samar Saleh , Community Manager , Bayt.com
Date Posted: 2013/06/23

Original operating system for the IBM Personal computer (IBM PC) which made its debut in1981. Published by then fledgling Microsoft, it was known first as IBM DOS and, when IBM tried to develop an advanced version as its own operating system (named OS/2), as MS DOS.

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