Most often, the name server includes the name of its main features: a file server, print server, mail server, news server; Web-server; database server; fax server, etc. Servers also can classified according to the signs indicating the nature of its use: dedicated server, a listen server. Dedicated server on the lan intended solely to provide its resources in general use, and not to work directly on it, so it can properly function without a monitor and keyboard. He usually has a high capacity and reliability of equipment, as well as the software used software. More information is housed here: Pete Cashmore. The operating system is a dedicated server most commonly used: Microsoft Windows 2000 Server; Microsoft Windows 2003 Server; Linux, FreeBSD, Sun Solaris and other varieties of Unix; Novell NetWare; listen server combines the functions of server and workstation. In other words, a workstation, some of the resources which are dedicated to sharing them over the network. On the workstation (no dedicated server) operating system may be, for example: Microsoft Windows 98/ME; Microsoft Windows xp Professional; Microsoft Windows 2000 Workstation; Linux. In peer lan computers are integrated into working groups (Workgroups), where they function as a workstation or a listen server, providing a portion of their resources for use by its working group. Peer network easier to administer, but do not provide a high degree of data protection. Local network with a dedicated server, in contrast, have increased reliability and security of information stored on the server.