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  • moonman

    titán

    válasz Neil Watts #45 üzenetére

    a történelmi hűség kedvéért:

    The "Microsoft Disk Operating System" or MS-DOS was based on QDOS, the "Quick and Dirty Operating System" written by Tim Paterson of Seattle Computer Products, for their prototype Intel 8086 based computer.

    QDOS was based on Gary Kildall's CP/M, Paterson had bought a CP/M manual and used it as the basis to write his operating system in six weeks, QDOS was different enough from CP/M to be considered legal.

    Microsoft bought the rights to QDOS for $50,000, keeping the IBM deal a secret from Seattle Computer Products.

    Gates then talked IBM into letting Microsoft retain the rights, to market MS DOS separate from the IBM PC project, Gates proceeded to make a fortune from the licensing of MS-DOS.

    In 1981, Tim Paterson quit Seattle Computer Products and found employment at Microsoft.

    ráadásul azt kevesen tudják, hogy az 1983-ban megjelent DOS 2.0 teljesen nulláról lett megírva, nem a DOS első verzióján alapszik.

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