VMware created the Virtual Machine Disk -- VMDK -- format to make it easier to share its virtual machines, or VMs, with products produced and sold by other companies. By default, Oracle Corporation's ...

Run multiple OS simultaneously with this handy program. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Finally, our favorite overlooked ...

Running multiple operating systems side-by-side gives you the chance to test applications, run platform-specific software, and tons more without ever rebooting. It's also extremely cool. Here's how to ...

VirtualBox is surprisingly easy to use for creating an OS-inside-an-OS, unless you have to move or back up your huge VDI machine files. You can avoid non-starting machines, however, with an XML file ...

VirtualBox is a free and open source virtualization utility that lets you run one operating system from within another. For example, you can create a virtual machine on a Windows computer and use it ...