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Learn the Unix Operating System
Learn Unix quickly from experts. Hands-on courses in 75 cities. Includes file system commands, data manipulation utilities, shell scripting and more. Accredited Linux Certificate available.

Unix Operating Systems at Shopping.com
Find, compare and buy operating systems and other computer software products from top brands, including red hat. Read product reviews and compare prices from thousands of online stores.

ITtoolbox Unix
ITtoolbox Portal for Unix offers forums for discussion, an integrated directory, daily news, and many other services geared towards Unix professionals and users of Unix products.

White Papers: UNIX Operating System
Itpapers White Paper search engine links to technical papers on UNIX and all IT topics. Startup City for technology papers from startups.