Linux sites
- www.linux.org The Linux portal
- www.kernel.org The official Linux kernel Web site
- www.linuxdoc.org The Linux documentation project
- www.ssc.com/lj Linux Journal is a fine Linux periodical
- www.linuxapps.com Download Linux softwarehere
- www.slashdot.org Slashdot mirrors the Linux community
- www.sourceforge.net SourceForge is the place for Linux projects
- www.cheapbytes.com CheapBytes sells cheap Linux CDs
- www.oreilly.com O'Reilly sells the best books on Linux
- www.linuxlinks.com Links to many Linux-related Web sites
- comp.os.linux The Linux USENET newsgroup
Unix sites
- http://www.unix.org The Open Group
- http://www.sco.com/ The SCO Group
BSD sites
- http://www.freebsdfoundation.org FreeBSD Foundation
- http://www.netbsd.org NetBSD Project
- http://www.openbsd.org OpenBSD Project
- http://www.dragonflybsd.org DragonFlyBSD Project
- http://www.bsdcertification.org/ The BSD Certification Group
- http://www.fsf.org/ The Free Software Foundation
- www.gnu.org The official GNU Web site