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IBM Signed Away DOS to Microsoft in 1980. It Built a $678B Rent Machine

211 views · Sep 19, 2026 · Science & Technology

Comments · 1

  • @Backsolve · 8 days ago

    The detail that decided everything: IBM let Microsoft keep the right to license DOS to every other PC maker. That clause, not the IBM PC itself, is the whole story. If you were IBM in 1980, would you have signed it? The next file is picked from your comments.

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