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A comment on Ask HN: What were the most early Unix type OSes for x86?.

Re:Ask HN: What were the most early Unix type OSes for x86? by ThrowawayB7 on Sunday February 05, 2023 @11:46PM (#34673450)
Microsoft Xenix (later SCO Xenix) is probably among the first, if not the first, x86 UNIX: https://en.wikipedia.org/wiki/Xenix

"The first 8086 port was for the Altos Computer Systems' non-PC-compatible 8600-series computers (first customer ship date Q1 1982). ... SCO Xenix for the PC XT shipped sometime in 1984 ..."

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