Have you ever needed to test something in your computer that crashed your operating system (Windows 7 / Windows 8 / Linux .. etc ) ?
With virtualization, this problems doesn't exist anymore .. you can easily install, uninstall any software .. make networking configurations and many many others ..
There is almost no restrictions on what you cand do in a virtual enviroment..
In a production enviroment, virtualization is verry important, thanks to costs improvements and ease of installation.
For now, we will start with a beginner guide, and a free software, to let you to better understand the virtualization concept.
For the video tutorial, please activate the caption from the "CC" button of YouTube's video player and also, you can choose to play the video in HD (High Definition) for a better playback experience