Emmanuel Florac March 20, 2022 9:54am Remember when Apple built a Mac OS running on top of Solaris and HP-UX? Seriously. It happened. #retrocomputing #Unix #Apple https://lunduke.substack.com/p/remember-when-apple-built-a-mac-os?s=r Remember when Apple built a Mac OS running on top of Solaris and HP-UX? Seriously. It happened. Macintosh Application Environment for Unix -- from back in 1994.