Oracle VM VirtualBox (formerly Sun VirtualBox , Sun xVM VirtualBox and Innotek VirtualBox) is a free and open-source hypervisor for x86 comp...
Oracle VM VirtualBox (formerly Sun VirtualBox, Sun xVM VirtualBox and Innotek VirtualBox) is a free and open-source hypervisor for x86 computers currently being developed by Oracle Corporation. Developed initially by Innotek GmbH, it was acquired by Sun Microsystems in 2008 which was in turn acquired by Oracle in 2010.VirtualBox may be installed on a number of host operating systems, including: Linux, macOS, Windows, Solaris, and OpenSolaris. There are also ports to FreeBSD and Genode.
It supports the creation and management of guest virtual machines running versions and derivations of Windows, Linux, BSD, OS/2, Solaris, Haiku, OSx86 and others, and limited virtualization of macOS guests on Apple hardware.
For some guest operating systems, a "Guest Additions" package of device drivers and system applications is available which typically improves performance, especially of graphics
Why to Use VMware, VirtualBox, Virtual PC or Other Desktop Virtualization Software? What are the Advantages?
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The Purpose of Desktop Virtualization Software like virtual box
Desktop virtualization software give ability to install and run multiple Operating Systems on your desktop or laptop computer in virtual environment without disturbing the host OS. You can have Windows XP, Linux OS and even Windows 95 on your latest Windows 7 laptop. In this case, your laptop will be the ‘host’ and virtual machines will be the ‘Guest’s. Creating or configuring a virtual machines is very similar to assembling a physical computer with processor, memory, hard disk, VGA…etc. So it is basically to utilize the unused resources on a physical computer to run multiple Operating Systems in it. Even though ‘Dual Boot’ is another option to have multiple Operating Systems on a computer, but you have to reboot the computer every time to use other Operating Systems. But with the desktop virtualization software, you can run and work on multiple Operating Systems simultaneously without rebooting.
The main and basic purpose of Desktop virtualization software VMware, VirtualBox and Virtual PC is to allow users to run multiple different type of Operating Systems simultaneously in complete isolated virtual environment on single physical computer .
The below screen shot was taken while I was running latest Windows 8 as a guest virtual machine in VMware Player on my Windows XP computer.
sources: wekipedia,sysprobs.
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