Windows XP running as a separate operating system in VirtualBox on Windows 7. Once you’ve set up a virtual machine, you can pop that USB stick into any Windows PC and open Portable-VirtualBox ...

In many cases, developers don't have to consider what operating system their apps ... deploy your application locally, virtual machines (VMs) make it easy to set up whichever type of OS environment ...

Coming out of VMworld, I've run into many people who've been convinced that operating systems are becoming an endangered species and that shortly they'll be replaced by virtual machine software.

The primary benefit of virtualization is its ability to run multiple virtual machines (VMs) on a single physical server, each operating independently with its own guest operating system (OS ... In his ...