“This document offers manufacturer independent information on the Windows NT Operating System and related topics.” Site includes information on “operating system basics”, “system architecture”, “networking”, and a news section. A useful site , suffers a bit from infrequent updating.

An rich site for system and network administrators. Contains tips, tricks, resources, tools and a reference section on GNU/Linux, “homebrew designs,” databases and more. “We share a challenge both in fixing our systems for technical reasons, but in also architecting a safer world for information storage, manipulation, and transmission.”

An excellent page of Windows tips for all versions of Windows. Compiled by the Compuserve co-sysop. Also contains useful links to other training material.

“PC Magazine (www.pcmag.com), the most important technology publication in the world, delivers authoritative, labs-based comparative reviews of computing and Internet products to more than 6.6 million highly engaged technology buyers. PC Magazine defines technology for e-business and is the only magazine with in-depth reviews and accurate, repeata …

Mac tips, tricks, and hints you can use in your everyday computing.

Multimedia museum on everything Atari – video games, computing, and the company itself. Archive of news stories about Atari, company memos and press releases, history of consoles and computers, and references to further reading online and offline.

Archive of full-text versions of classic computing books on Atari, programming languages, graphics, machine language, and more. You can also find newsletter and newsgroup archives, and download old and new 8-bit software. Everything provided with permission of copyright holders.

Cambridge University’s EDSAC was “the world’s first stored-program computer to operate a regular computing service.” This downloadable simulator mimics the computer as it existed in 1949-1951 and includes programs from the original EDSAC, including games. There is also a photo gallery of the original EDSAC.

“HTML version of the FAQ for the OS-9 real-time multitasking, multiuser capable operating system.”

UNIXhelp is an introduction to the UNIX operating system designed for new users, though it also treats advanced topics. It contains both a manual and a searchable index. The guide covers all aspects of using UNIX, from getting started to using commands, from an explanation of what an operating system is to information on the Perl programming langua …

FAQs concerning PEX and PHIGS Extensions to the X window system.

A collection of Usenet discussion group postings and Frequently Asked Questions (FAQs) on Atari 8-Bit Computers (400, 800, and 1200) models, popular in the 1990s.

This site is dedicated to telling Mac users “how to do things in OSX.” There is a bulletin board, list of OSX FAQ’s, and OSX news. This site is also searchable.

“Real-Time Linux News and Information from Around the World.” Topics covered include: Caldera, Red Hat, Debian, Mandrake, TurboLinux, kernal, security, open source, and more.

Searchable directory of Linux-related information on the World-Wide Web. Includes versions in Chinese, French, Finnish, German, Italian, Japanese, Korean, Portuguese, Russian, Spanish, and Swedish.