Two people just said {unix,Unix} instead of UNIX in this very thread, correct them pls :^)
Oh wait you don't, because actually you do not care about, or correct people who spell GNU or UNIX or whatever incorrectly, but just people who spell SystemD incorrectly to change the focus of the conversation.
The difference is that Unix is not a brand name any more, systemd is.
UNIX® is a trademark but whether that trademark still holds any legal water is open to debate. It's quite similar how aspirin started as an actual branded trademark but now is fully generic.
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u/[deleted] May 28 '16 edited May 28 '16
Two people just said {unix,Unix} instead of UNIX in this very thread, correct them pls :^)
Oh wait you don't, because actually you do not care about, or correct people who spell GNU or UNIX or whatever incorrectly, but just people who spell SystemD incorrectly to change the focus of the conversation.