See also:

• Computers: Software: Operating Systems: Education  (10)
• Computers: Software: Operating Systems: Network: Distributed: Plan 9  (33)
• Computers: Software: Operating Systems: Open Source  (13)
• Computers: Software: Operating Systems: POSIX: Open Source  (0)

ACM Crossroads: Operating Freely - Description of the 3 major, freely available, Unix-like operating systems: Linux, FreeBSD, NetBSD. Crossroads is the student magazine of the ACM..

Benchmarking BSD and Linux - Compares FreeBSD 5.1, NetBSD 1.6.1, OpenBSD 3.4; Linux 2.4, 2.5, 2.6; to see how scalable and fast network programs are on standard PC hardware as Web servers; tests several APIs and methods. Text, graphs, benchmark code..

COTSE-Mini Unix Distributions - Links to 2 dozen mini Unix distributions: mostly Linux, also FreeBSD, SCO, Solaris MINIX, MINIX..

Open Source Unix and Related Software Projects - Small page of logos and links to resources, distribution channels for the most popular, freely distributable Unix, and a few other projects. FREENIX links in English, Français, Norsk..

PIOS: Pleasant Interactive Operating System - Free Unix clone developed by PIE Software Inc., for x86 PC compatibles, to give a stable multi-user high security platform for use as a network server, programming work-horse, or desktop system; designed so even complex tasks are easy..