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Xinu both a recursive acronym for " X inu I s N ot U nix" (in German "xinu is not Unix ") and a reverse read "Unix", is a small and very sleek multitasking - operating system . It was written in the 1980s by Prof. Douglas Comer for teaching purposes at Purdue University and has since been ported to many computer architectures , including a. on PDP-11 , VAX , Sun 3/50, PowerPC G3 , MIPS , ARM and x86 .

Like Minix , Xinu was mainly used for teaching purposes at colleges and universities in computer science and is characterized by being reduced to the absolutely necessary, by compactness and clarity. The system and the processes in it can be understood very quickly.


  • Douglas Comer: Operating System Design: The Xinu Approach. 2nd edition, Chapman & Hall / CRC Press, Boca Raton, 2015, ISBN 978-1-4987-1243-9 .

Web links

Individual evidence

  1. a b The Xinu Page (English). Retrieved June 17, 2012.
  2. a b The Xinu Page (English). December 8, 1997. Retrieved June 17, 2012.