« on: May 18, 2017, 09:44:31 PM »
Probably, OS/9. Not to be confused with Mac OS9.
Versions existed for Amiga, Atari, X68000, Macs and lots of other m68k platforms.
But I never came across of the Amiga version.
I think I looked into this a few years ago (having used OS-9 and NitrOS-9 on my Coco 3). IIRC the rights to the Amiga version were held by a guy in Australia, don't remember if it was still for sale, but I seem to remember a $500 figure. Can't be arsed to Google it, though.

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