Servers are often dedicated, meaning that they perform no other tasks besides their server tasks. On multiprocessing operating systems, however, a single computer can execute several programs at once. A server in this case could refer to the program that is managing resources rather than the entire computer.

Also see the Server Types page in the Quick Reference section of Webopedia for a comparison of server types.

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Server Buyer's Directory
LAN Times site with information on a full range of standard and specialized servers. The directory features a wide range of servers: application, backup, chassis/rack-mounted, desktop, file, and specialized hardware, such as fax- and print-servers.

Server Tuning for High Performance
Web Developer article (April 1997) on tuning a server's CPU usage, disk I/O, memory utilization, and network performance.

ServerWatch - Guide to Internet Servers and Platforms
Includes ratings, industry news, extensive reviews, and downloadable server software.

ServerWatch Hardware Reviews
Server hardware is the backbone of any good network. This section contains reviews of the latest Server hardware.

The Truth About Servers
What makes a server a server? Is there a difference between an e-mail server and a messaging server? Should a firewall be considered a server in certain circumstances? These questions and more are answered in an extensive tutorial that cuts through the marketing hype and explains the basics of key server types.