The Minix OS was designed as an academic, teaching OS: https://www.minix3.org/ https://www.minix3.org/ There is a textbook that goes along with it: https://www

The Minix OS was designed as an academic, teaching OS: https://www.minix3.org/ https://www.minix3.org/ There is a textbook that goes along with it: https://www.pearson.com/us/higher-education/program/Tanenbaum-Operating-Systems-Design-and-Implementation-3rd-Edition/PGM228096.html https://www.pearson.com/us/higher-education/program/Tanenbau... The author famously had interactions with Linus Torvalds when he was starting Linux! And, Minix is inside every modern Intel CPU (https://www.zdnet.com/article/minix-intels-hidden-in-chip-operating-system/ https://www.zdnet.com/article/minix-intels-hidden-in-chip-op...).