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16 Internet Services

At one time, the term server in computer networking was nearly always used in the phrase file server, referring to a PC running a network operating system (NOS) that enables users to access shared files and printers. However, the rapid growth of the Internet has changed the common meaning of the term. To most Internet users, servers are the invisible systems that host web sites or that enable them to send and receive e-mail. For LAN users, servers still fill the traditional file and printer sharing roles, but also provide application-related functions, such as access to databases. Thus, people are gradually learning that a server is both a software as well as a hardware entity and that a single computer can actually ...

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