this is obsolete doc -- see http://doc.nethence.com/ instead

UNIX Distributions 

All BSD 

- NetBSD : http://www.netbsd.org/ 

- FreeBSD : http://www.freebsd.org/ 

- OpenBSD : http://www.openbsd.org/ 

- DragonFlyBSD : http://www.dragonflybsd.org/ 

- BSD router projects : http://www.bsdrouter.org/ 

- MicroBSD : http://www.microbsd.net/ 

- MirOS : http://www.mirbsd.org/ 

- DesktopBSD : http://www.desktopbsd.net/ 

- PC-BSD : http://www.pcbsd.org/ 

Prefered Linux distributions 

- Slackware Linux : http://slackware.com/ 

- Gentoo : http://www.gentoo.org/ 

- Linux from scratch : http://www.linuxfromscratch.org/ 

A few Minimalist Linux 

- Crux : http://crux.nu/ 

- Mastodon Linux : http://mastodon.biz/ 

Web embedded 

- BlueEyedOS : http://www.blueeyedos.com/