From application developers to power users and corporate desktops, personal computer virtualization software has become a mainstream component in the productivity toolkit. Parallels Desktop 4 for Windows & Linux includes superior technology bundled together in an easy to use package. Parallels templating, VM cloning and pre-built virtual appliances allow you to eliminate repetitive tasks and respond faster to trouble shooting, testing & web development needs. Build once and share virtual machines across Windows, Linux and Mac OS X to support distributed teams and improve consistency.