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 ...

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 ...