It creates and manages virtual desktops and enables you to work far more efficiently and comfortably with many simultaneously opened windows on Windows 2000/XP/2003/Vista/2008/7 (incl. x64).
Moving your virtual machines into Parallels Desktop view it
Create an Ubuntu virtual machine with VMware Workstation view it
VirtualBox makes it easy to create virtual machines. view it
Create an Ubuntu virtual machine using VMware Workstation. Part 2. view it
You can use Virtual Network Computing (VNC) to connect to your Mac view it
Parallels Desktop for Mac has more configuration options than any other product view it