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20. Custom Applications > CGI Programs

CGI Programs

While plain HTML documents stored on your web server can contain whatever text you like, that text is static. Everyone who requests that document through a web browser will get exactly the same document. Quite often, however, you’d like to customize the response for a particular user. For example, a retail chain store might want to query a database for the user and return the address of the branch store nearest the user. One way to do this is to have the web server run a program that will query the database and format the result in HTML. The first widely available method for incorporating dynamic content like this into web pages was the Common Gateway Interface (CGI) standard. CGI was introduced as part of the original web server, develope....


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