1. Apple.com Features Unix Page
Mac OS X Leopard - Unix. The Unix you know. The Mac you love.
http://www.apple.com/macosx/features/unix

2. Developer.apple.com Unix Page
The most widely-sold UNIX operating system, Mac OS X version 10.5 Leopard combines a fully-conformant UNIX foundation with the richness and usability of the Macintosh interface, bringing multi-core technology and 64-bit power to the mass market. In Leopard, the new tabbed Terminal, Ruby on Rails web application stack, and powerful scripting bridges make UNIX users more productive than ever.
http://developer.apple.com/unix

3. Mozilla.org Unix Page
Much of Unix's history is rooted in open-source software. The Unix version of Mozilla is an exciting, open source project that encourages all developers to help build the better browser.
http://www.mozilla.org/unix

4. Cups.org
Common UNIX Printing System
http://www.cups.org

5. Ugu.com
Unix Guru Universe
http://www.ugu.com

6. Unix.net
Signup to join the UNIX.net domain, and get an email address at UNIX.net (yourname@unix.net).
http://www.unix.net

7. Freeengineer.org Learnunixin10minutes Page
Learn UNIX in 10 minutes.
http://freeengineer.org/learnUNIXin10minutes.html

8. Nvidia.com Object Unix Page
Unix Drivers Portal Page
http://www.nvidia.com/object/unix.html

9. Freemacunix.com
A Mac Unix Blog
http://www.freemacunix.com

10. Unixpronews.com
Unix Training - Unix tutorials for Unix Professionals
http://www.unixpronews.com

11. Aplawrence.com
Resources, help files, how-to's and other Unix, Linux, and Mac OS X content
http://aplawrence.com

12. Newsreaders.com Unix Servers Page
Unix/Linux news servers
http://www.newsreaders.com/unix/servers.html

13. Unix.com
The UNIX Forums is the top free UNIX and Linux System Administration Resource Forum, for beginners and gurus that are looking for UNIX and Linux help and advice on the Internet.
http://www.unix.com

14. Open.itworld.com Unixinsider Page_1 Page
Windows may dominate the headlines, but the Unix operating system keeps quietly humming along powering web servers, corporate networks and mission critical applications.
http://open.itworld.com/5040/UnixInsider/page_1.h~

15. Elsiddik.blogspot.com
Unix news is nothing but opensourse - this site features general information about Linux/Unix/Perl programming language.
http://elsiddik.blogspot.com