How CP/M-86's delay handed Microsoft the keys to the kingdom
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CP/M-86, the 16-bit version of Digital Research's dominant business OS, arrived three years late in 1981 for Intel's 8086 processor released in 1978. This delay forced Seattle Computer Products to create 86-DOS as a compatible alternative. Microsoft licensed 86-DOS to supply IBM's PC, and because IBM didn't require exclusivity,
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