"With last month's release of VMware Workstation 5, the virtual machine software is better than ever. VMware Workstation now has 64-bit host support, the ability to capture multiple snapshots for each virtual machine, easier sharing of virtual machines, and the ability to connect multiple virtual machines in a 'team' setting. Perhaps most importantly, GNU/Linux support is improved in version 5.
"VMware is a framework that allows multiple operating systems to install and run inside of another one. There are a variety of different VMware products and tools designed for specialized uses, but the Workstation product is the core technology..."