What are scripts (PHP, ASP, Perl, CGI etc)?

Web hosting or web sites and electronic mailing systems are familiar to all modern people, but how all of them working and how much effort and other logistical requirements to be met to make a web site to be good is not known to majority of people. IT professionals working round the clock to make it happen and a final product is delivered in your hand which is attractive and informative.There are several programs working together to make web sites function properly andscripts or languages are very important functions in it.

There are several such scripts andtheir individual functions are different. PHP (Hypertext Preprocessor) is one among thosescripts or languages. It is programmed for web development to deliver dynamic webpages. While you are browsing through many sites you will come across many functionsin a site where you can leave a comment, you can login and, news items are updated, etc.A dynamic web page is something with those kind of functions. It will give you with freshcontents or layout for each viewing, means it changes with the time.PHP and ASP, both are programming languages to make dynamic web pages. ASP or ActiveServer Pages, works with Microsoft along with Internet Information Server (IIS) and itrequires a Microsoft Server for the functioning of web site.

Another difference between boththese languages is PHP runs with the use of Unit or Linux servers. PHP is more a databasefriendly program and it can be connected to several databases of which the most commonly used is the MySQL. Also, websites require good loading speed and PHP program can increase speed drastically. Another script is CGI or Common Gateway Interface. It is a set of standards which define how server and a custom script exchange information. On the other hand, Perl (PracticalExtraction and Reporting Language) programming language is used for a variety of tasks such as extracting data from a text file, printing out a report, conversion of file format suchas text to another form, etc.

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