Internet

In 1969, United States Department of defense worked on a project called ARTANET (Advance Research Projects Agency)

It is developed for US military operations. In this project, several computers are connected across the United States in a ring fashion, so that if a connection is broken between two computers, it can still communicate, in the opposite direction.

At the same time, the technology to connect computers enhanced and became economically viable for private organizations. American Libraries and Universities started to setup their own computer Networks.

U.S. Department of Defense thought that it's a wonderful idea to connect ARPANET to these institutions. They started using information from American Libraries and Universities. Similarly many networks of other organizations connected to this network. This system of inter network later came to be known as INTERNET.

Apache is developed for servers running Linux operating system and IIS is developed for servers running Windows NT/2000.

Web server always listens to the request from the user. When a request is encountered it fetch the requested page and transfers to the user.