Apple Unix Server Penelope - Provides a brief introduction to Apple Unix, and detail the procedure used to install A/UX 3.02 and Apache webserver 1.3.19 on a Quadra 800.

OpenMac - A site that refers to the multiple efforts at porting different flavors of UNIX to the Macintosh and Power Macintosh platforms, primarily representing the Linux for PowerPC and MacBSD projects.