Vmware - Version 2.0 b 476 RC2 Run multiple operating systems concurrently on a single PC-without repartitioning or rebooting. Isolate and protect each operating environment, and the applications and data that are running in it. Interoperate among each of these operating systems, including full networking, device and file sharing, and cut-and-paste capabilities. Undo changes made in a given session. Encapsulate and manipulate each operating environment, and have the ability to roll back and restart an application, or move an environment among differently configured machines.