Unixajan
Unixajan is a fictional Unix-like operating system created for educational purposes to illustrate concepts in operating system design. It is not a real project, but appears in textbooks and teaching materials as a neutral example of modular, portable software design.
Design and architecture: Unixajan uses a microkernel that provides only minimal services such as IPC and protection.
Implementation and tooling: The Unixajan reference implementation and accompanying teaching materials are designed to be approachable
History and reception: Unixajan originated as an educational artifact in the OS design community and has since
See also: Unix-like, POSIX, microkernel, operating system education.