We ran through the Andrew S Tanenbaum OS book and implemented most of MINIX in two semesters in the late 90s at evergreen state, the basketweaving prototype
20ish years ago I met some transfer students to my university and they had mentioned that making your own unix was one of the courses at their previous university.
Interesting. Where can I look at the source code? Is this written in Hare?
Some of it is in Hare, and there’s some C code in there as well.