What is Server

Server 

what is a server server is a computer program that provides services to other computer programs and their users in the same or other computers the computer that a server program runs in is also frequently referred to as a server that machine may be a dedicated server or used for other purposes as well in the client-server programming model a server program awaits and fulfills requests from client programs which may be running in the same or other computers a given application in a computer may function as a client with requests for services from other programs and also as a server of requests from other programs servers are often categorized in terms 

Server 

of their purpose a web server for example is a computer program that serves requested HTML pages or files a web client is the requesting program associated with the user the web browser in your computer is a client that requests HTML files from web servers here are a few types of servers among a great number of other possibilities an application server is a program in a computer in the distributed network that provides the business logic for an application program a proxy server is software that acts as an intermediary between an endpoint device such as a computer and another server from which a user or client is requesting a service a mail server is an application that receives incoming email from local users people within the same domain and remote senders and forwards outgoing email for delivery a virtual server is a program running on a shared server that is 

Server 

configured in such a way that it seems to each user that they have complete control of a server ablaze server is a server chassis housing multiple thin modular electronic circuit boards known as server blades each plate is a server in its own right often dedicated to a single application a file server is a computer responsible for the central storage and management of data files so that other computers on the same network can access them a policy server is a security component of a policy based network that provides authorization services and facilities