.

What is web server?

Web server is a computer or a program that host the websites and gives information to the client according to their request. It serves the files which form Webpages with the use of HTTP (hyper text transfer protocol) protocol to the user. The client first send the webpage request to the server and then server respond to their request by opening the webpage on WWW (World Wide Web).In a computer when special program or operating system is installed which make it different from person computer. The special operating system or program which is installed to make is called NOS (Network Operating System). 

NOS provide the environment to the server, connect to the internet and provide service to the people. The services provided by web server are like web hosting, fetch Webpages, etc. It gives space to the website by hosting them.

Some web servers are:-

Apache, Google web server (GWS), Microsoft IIS (Internet Information Services). Ngnix, etc