For example, there are file servers, print servers, mail servers, communication servers, database servers, fax servers and web servers, to name a few. There are many different kinds of servers, and one server can provide several functions. Servers provide access to network resources to all the users of the network. Servers - Servers are computers that hold shared files, programs, and the network operating system. Computer networks share common devices, functions, and features including servers, clients, transmission media, shared data, shared printers and other hardware and software resources, network interface card(NIC), local operating system(LOS), and the network operating system (NOS).