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By certification: https://en.wikipedia.org/wiki/Single_UNIX_Specification#macOS https://en.wikipedia.org/wiki/Single_UNIX_Specification#macO... FWIW, I think "

By certification: https://en.wikipedia.org/wiki/Single_UNIX_Specification#macOS https://en.wikipedia.org/wiki/Single_UNIX_Specification#macO... FWIW, I think "Unix" as a philosophy exists (even mainly exists) outside the spec certification, but this is how you get there.

tim-- 7y ago
Huawei has EulerOS (which is based on CentOS) that is certified. Inspur has K-UX, however, I have never used it, so can't comment on it other then knowing it runs a Linux kernel.