Enterprise-class, open source virtualization from the desktop to server and cloud environments http://www.virtualbox.org
For technical requests please reach out our community at http://forum.virtualbox.org . Once installed users create "guest" virtual machines into which operating systems and apps can be installed. For example, you can run a Linux guest on Microsoft Windows XP; or, XP and Windows
Vista can run as guest OSes on a Linux machine;
Supported host operating systems include Linux, Mac OS X, OS/2 Warp, Windows, and Solaris, while supported guest operating systems include FreeBSD, Linux, OpenBSD, OS/2 Warp, Windows and Solaris.
