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Annotated edit history of Xenix version 2, including all changes. View license author blame.
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2 JohnMcPherson 1 [Xenix] was a version of [UNIX] sold by [MicrosoftCorporation], although they later sold all the rights to it to [SCO]. It was around in the period 1979-1985.
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3 Part of the sales agreement was that Microsoft would not compete against SCO in the Unix market, meaning Microsoft probably aren't allowed to distribute their own version of a unix-like [OS], even if they wanted to.