Imagine how is it if to be if our computer can only able to run one software program at a time. That meant in order to check our mail, we need to turn off Microsoft office application, or we have to turn off movies just to use the Internet. Luckily, we can use more than one software application at a time, but we seldom think of running more than one operating system at once. Actually like software program, we can also run more than one operating system simultaneously. Here, the technology of virtualization has been created. It allow us to run multiple operating system at one time on single computer. Virtualization is a technology which achieve higher server density. However, it does not increase much computing power.

There are various uses of virtualization that aids human endeavor:

1. Run old application

The application that does not work well in Window 7 or Vista can be opened by Window Xp and install it within a virtual machine (VM). Then install your application.


2. Access Virus-Infected Data

If you have ever sent a file that your antivirus program has alerted, but it contains important data you just have to view? Most virtualization software includes snapshot functionality, which means you can create a "saved state" of the virtual OS and its entire hard disk. It's a little like travelling back in time.


3. Browse in Complete Safely


Essentially Firefox will be running in a sandbox meaning that should it one of its plugins get hacked while you're online, there'll be no absolutely no risk to your actual operating system. You could create a snapshot once everything's been configured in the virtual machine in order to get things back up and running quickly, before anything go wrong.

4. Test Software, Upgrades, or New Configurations

You could use your virtual computer not only to test malware but new software, updates, or even new configurations of software before you roll them out for real on your main OS.

5. Back Up an Entire Operating System


7. Create a Personal Computer

If you're out of the office, there's no need to take your laptop with you. Just leave it running (with power saving turned off!), or tablet computer instead, and access the laptop via a Remote Desktop Protocol (RDP) connection over the Internet. This will let you access the same desktop environment you're used to, although there'll be no fancy graphics.

8. Develop a Project or Website in Virtual Space

Virtualization makes it easy to create new development environments, or maintain staging environment that synchronize with your live servers.

Author: Keir Thomas

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