LAN stands for local area network, normally this network is limited in a office building, or in a school building. In a LAN usually one computer is dedicated as main server through which network administrator control the entire network through user and group policies, and all other users on LAN are bound to their assigned tasks, and they use network resources only on which they have rights. There are also other servers on LAN such as mail server, print server, file server etc. All other computers in LAN are known as workstations.
