Pakistan Forum
HomeCalendarFAQSearchMemberlistUsergroupsRegisterLog in

Share | 
 

 Overview

View previous topic View next topic Go down 
AuthorMessage
imagine_raza



Posts : 99
Join date : 2010-07-18

PostSubject: Overview   Mon Jul 19, 2010 8:25 pm

The primary function of a web server is to deliver web pages to clients. This means delivery of HTML documents and any additional content that may be included by a document, such as images, style sheets and JavaScripts.

A client, commonly a web browser or web crawler, initiates communication by making a request for a specific resource using HTTP and the server responds with the content of that resource, or an error message if unable to do so. The resource is typically a real file on the server's secondary memory, but this is not necessarily the case and depends on how the web server is implemented.

While the primary function is to serve content, a full implementation of HTTP also includes a way of receiving content from clients. This feature is used for submitting web forms, including uploading of files.

Many generic web servers also support server-side scripting, e.g., Apache HTTP Server and PHP. This means that the behaviour of the web server can be scripted in separate files, while the actual server software remains unchanged. Usually, this functionality is used to create HTML documents on-the-fly as opposed to return fixed documents. This is referred to as dynamic and static content respectively. The former is primarily used for retrieving and/or modifying information in databases. The latter is, however, typically much faster and easily cached.

Web servers are not always used for serving the world wide web, rather they can also be found embedded in devices such as printers, routers, webcams and serving only a local network. The web server may then be used as a part of a system for monitoring and/or administrating the device in question. This usually means that no additional software has to be installed on the client computer, since only a web browser is required (which by now is included with most operating systems).
Back to top Go down
View user profile
sadiaali



Posts : 109
Join date : 2012-01-17
Location : Karachi,Pakistan

PostSubject: Re: Overview   Fri Jan 27, 2012 4:06 am

great sharing about the HTML learning hope some students of this subject learn some more about from this thread.great efforts by this user.
Back to top Go down
View user profile http://www.talentidols.com
 
Overview
View previous topic View next topic Back to top 
Page 1 of 1
 Similar topics
-
» Selenium Videos

Permissions in this forum:You cannot reply to topics in this forum
Pakistan Forum :: Webhosting and Domain Hosting :: Webhosting and Domain Hosting-
Jump to:  
Free Web Counter
Free Web Counter
Make a forum | © phpBB | Free forum support | Contact | Report an abuse | Free forum