What is the Full Form of IIS in Computers?

When you open Google Chrome and type in a website address, the beautiful website does not just magically appear from thin air. It is physically hosted (stored) on a massive, powerful computer called a 'Web Server' located thousands of miles away. IIS is one of the most famous and powerful web server software packages in the world.

Question (Click to Flip)

Can I run a PHP website on an IIS server?

Answer

Yes. Although IIS was specifically built to natively run Microsoft's ASP.NET technology, Microsoft has massively updated it to fully support open-source languages like PHP as well.

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Key Facts

IIS supports all standard web protocols including HTTP, HTTPS, FTP (File Transfer), and SMTP (Email delivery).

If you are using Windows 10 or 11 Pro on your home laptop, a lightweight version of IIS is completely hidden inside your computer. Software developers turn it on to build and deeply test their websites locally before pushing them live to the real internet.

1. The Full Form

In Computer Science and IT, IIS stands for Internet Information Services.

2. What exactly is IIS?

The Creator: IIS is a massive, proprietary web server software created entirely by Microsoft.
The OS: Because it is made by Microsoft, IIS only runs on the Windows Operating System (specifically Windows Server).
The Job: Its only job is to listen for massive requests coming from the internet, securely fetch the correct website files (HTML, images, videos) from the hard drive, and blast them back to the user's browser so they can see the webpage.

3. IIS vs. Apache (The Massive War)

In the global IT industry, there are two massive kings of web hosting:

IIS (Microsoft): Highly secure, extremely powerful, but heavily expensive because you must buy a massive Windows Server License to use it. It is mostly used by giant corporate banks and enterprise businesses that code their websites in Microsoft's '.NET' language.
Apache / Nginx: Completely free, open-source web servers that run primarily on Linux. They run almost 70% of the entire internet, including most basic WordPress blogs.

Questions and Answers

Can I run a PHP website on an IIS server?+

Yes. Although IIS was specifically built to natively run Microsoft's ASP.NET technology, Microsoft has massively updated it to fully support open-source languages like PHP as well.

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