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In ASP and PHP, one can add "?blahblah" to display pages dynamically. I saw somewhere that html page is used in similar way (e.g. index.html?etc.crontab). How is this possible? Is this page really HTML, or PHP/ASP in disguise?

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closed as off topic by random Sep 7 '12 at 2:20

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It's a server processed page in disguise. Both asp and php support choosing what file extensions to use

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