Several languages are used in producing pages for the World Wide Web.
HTML is the primary language understood by all browsers and which can be used alone to build a web site. Since HTML is basiclly a set of simple text-formatting tags, other languages have been been developed to add 'bells and whistles' to HTML pages.
CGI is not a language but a specification for the Common Gateway Interface which links client-side browsers to server-side programs. Very elaborate interactive pages can be created using CGI programs.
Perl is the language most often used for CGI scripts, particularly in UNIX environments. The Perl programming community is very helpful toward newcomers, and many excellent Perl resources are available online.
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