Every network requires special software to control the flow of information between users. A Network Operating System, or NOS, is installed onto each PC that requires network access. The NOS is like a traffic cop that monitors the exchange and flow of files, electronic mail, and other network information.
Network Operating Systems are usually classified according to whether they are peer-to-peer or client-server NOSs. Peer-to-peer NOSs like Windows 95 and Windows for Workgroups are best for home & small office use--they're great for sharing applications, data, printers, and other localized resources across a handful of PCs.
Client-server NOSs like Windows NT and NetWare are ideal for large-scale organizations that require fast network access for video, publishing, multimedia, spreadsheet, database, and accounting operations.
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