What are virtual machines for?

If you have ever installed any programs, conducted some experiments on your computer, you know perfectly well how long it takes to restore its original state. Often for this, you have to completely re-install the system.

In order to avoid such serious consequences, users go to all sorts of tricks: install programs only from trusted sources, use the most powerful and high-quality antivirus, make a rollback of the system in case of problems. But conventional virtual machines are the most reliable.

What is a virtual machine?

Imagine that on your computer parallel to the first installed a second operating system, which simultaneously works with it. It is completely independent of the "real" OS, it can carry out any risky experiments.

Presented? So, virtual machines allow all this, because they are special software "containers", in which you can run almost any operating system. Unlike the OS that is on your hard drive, it will not have direct access to the computer "hardware", acting through the software shell.

As a result, you can run in it at least a whole bunch of viruses: they can not do any harm. An ideal example is the VMware virtual machine, which advanced users use to run new versions of operating systems, to test questionable programs and drivers. In the realities of our country, it is even more often used to launch keygens to generate keys to programs. All this allows you not to spoil your system in vain.

But do not assume that virtual machines are the prerogative of Windos alone. Where more often they are used by users of Linux-like systems, since in many cases they may need to run some small utility that works only on the system from Microsoft. It's simply not justified to mess around for Wine with her, while the "virtual" easily eliminates this need.

Often, users are looking for a comparison of virtual machines, trying to choose among them the best. It should be noted that the disputes often pop up the same VMware, which has a number of undoubted advantages. Developers of the program constantly contribute to their product support for almost all existing operating systems, including those that just managed to get out. In particular, it was this application that in due time allowed to start Windows 8, whereas in the popular Virtual Box the system refused to run at all.

But there is a leader of an unspoken contest one drawback. The program is paid. Of course, that professionals who use its capabilities to test their programs do not have difficulties, but others would like to advise you not to mess with broken programs and use the free Virtual Box. Although these virtual machines are not very popular among professionals, you will have plenty of them.