MINIX 3 - Unix clone that is free, small, flexible, secure, and self-healing, leading to high reliability, even during software faults. Descriptions, FAQ, book, newsgroup, screenshots, bug reports, downloads. [open source, BSD-like]
Andrew S. Tanenbaum - Professor, Free University, Amsterdam; author of MINIX Unix variant. Full source code. Free for all uses. Small size, microkernel, ample documentation. Users unfamiliar with OS internals can understand nearly the full system with a few months use and study. MINIX inspired Linus Torvalds to do Linux..
Brad's MacMinix Page - MINIX that runs atop Mac OS. Benefits: while learning about operating systems, its easy to recompile and relaunch, with no rebooting; and to keep OS backups in separate files..
MacMinix - Macintosh version of the UNIX clone Minix..
MINIX - This directory and subdirectories contain MINIX, a small Unix-like system for IBM PCs and compatibles..
MINIX - Wikipedia - Overview article on the system and its history..
Minix Network Service Documentation - Line-by-line comments of source code for TCP/IP networking protocols, network service, for Minix version 2.0.4. By Christos Karayiannis, Andrew Swartzbaugh..
MINIX.ORG - Repository for OS related: documentation, help, information, news, links, books, source code, downloads. Not the official MINIX website..
Minix-vmd - Overdressed version of Minix; source, binaries, man pages..
Operating Systems Design and Implementation, 3/E - By Andrew S Tanenbaum, Albert S Woodhull; Prentice Hall, 2006, ISBN 0131429388. Revised simplified edition, for latest MINIX version. An OS text which first explains relevant principles, then demonstrate their use via Unix-like OS as a detailed example..