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WEB SERVER

A Web Server is the combination of computer and the program installed on it. Web server interacts with the client through a web browser. It delivers the web pages to the client and to an application by using the web browser and the HyperText Transfer Protocol (HTTP) protocols respectively. This means delivery of HTML documents and any additional content that may be included by a document, such as images, style sheets, and scripts. A web server works on a client-server model.

SERVING UP WEB SERVERS

The software that delivers Web pages to the world is called a Web Server. Several Web servers are available, but the most popular one is Apache. Approximately 60 percent of Websites on the World Wide Web use Apache, according to surveys at www.netcraft.com . Apache is open source software, which means it’s free. It’s available for all major operating systems. Other Web servers are available. Internet Information Server (IIS) is the second most popular Web server with about 30 percent of the Web sites. IIS is developed by Microsoft and runs only on Windows. IIS is installed by default with Windows server software.

APACHE WEB SERVER

Apache is an open-source Web server that runs on UNIX operating systems, such as Solaris and LINUX, but can also be installed on Windows-based servers. Apache Web server provides simple HTTP processing. The Apache Web server has been the most popular and widely used Web server for the last decade. It is used by approximately 50% of all websites. Apache is cross-platform, lightweight, robust, and used in small companies as well as large corporations. Apache is also free and open-source.