Virtual Machine

Introduction
 
A virtual machine is a program that run in an isolated partition on real computer(machine). As the name suggest virtual means it is not real, operating system install on VM do not run on real hardware.

When you install an operating system on a virtual machine and that OS tries to communicate with the hardware,

Virtual PC intercepts the communication and responds just as real hardware would.


 
A Virtual Machine uses virtual hard disk, it creates a virtual hard disk for this purpose you can format and make partition of this virtual hard disk like a real one.

Advantages

  • Multiple operating system can run simultaneously on a single computer.
  • Do not need to boot other operating system
  • High availability and Secure
  • Since the operating system is on virtual state no virus can affect your hardware.
  • Do not required multiple hardware for multiple operating system means low cost.




>

Disadvantage

  • Slow than the real computer
  • Less efficient



 

A virtual machine may also be a group of computers that work together to create a more powerful machine. In this type of machine, the software makes it possible for one environment to be formed throughout several computers. This makes it appear to the end user as if he or she is using a single computer, when there are actually numerous computers at work.





Note: If you enjoyed this post, you might want to subscribe our RSS feed and Email Subscription  or become our Facebook fan! You will get all the latest updates at both the places.
Ehacking Staff
With more than 50 global partners, we are proud to count the world’s leading cybersecurity training provider. EH Academy is the brainchild of Ehacking, which has been involved in the field of training since the past Five years and continues to help in creating professional IT experts.

Most Popular

Become a spy in your own right with Xnspy Android spying app

Having become widely popular among parents and employers, spying apps have become quite the norm nowadays. Android spying apps have made it a lot...

e-Services Portals Potentially Expose Government Infrastructure to File-based Attacks

More and more users are embracing technology to perform their day-to-day activities. It’s not only private businesses that are forced to establish digital channels...

What is Nmap? How to use Nmap for Information Gathering

Nmap stands for Network Mapper, a powerful network scanning and host detection tool that is being used to perform reconnaissance in a very first...

Digital Forensics Investigation using Autopsy In Kali Linux

Autopsy is one of the digital forensics tools use to investigate what happened on a computer. It offers a GUI access to variety of...