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Annotated edit history of UNIX version 2, including all changes. View license author blame.
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2 AristotlePagaltzis 1 [UNIX] was originally a registered trademark of [AT&T] for the [Unix] operating system. It is now controlled by The Open Group. This is why you might see some people refer to the free systems (such as [Linux], and the [*BSD]s) as "Unix-like", "*nix", "Un*x" or sometimes "unixoid" -- they are not officially licensed to use the UNIX® registered trademark.
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3 See [Unix].