On Wed, 13 Mar 2024, Marc Rochkind wrote:
Don't know the answer to your question, but
last I knew the trademark
(not
the copyright) was transferred to The Open Group. They came up with a set
of rules for what UNIX is and, as I understand it, for example, Linux is
not a UNIX-like system, it is a UNIX system. (The Open Group isn't
interested in implementations of the UNIX standard, only the standard
itself.)
Only those distros that paid them for the right to be called such.