A virtual machine is a software-based emulation of a physical computer. It runs an operating system and applications just like a real computer, but it's hosted on a physical machine called the host.

(1) A synonym for a language interpreter. See interpreter, Java Virtual Machine and Python. (2) Software that enables a different operating system and applications to run in a computer along with the ...

A virtual machine is a computing resource that uses software instead of a physical computer to run programs and deploy applications. It operates by running one or more virtual “guest” machines on a ...

Virtual machines have become an essential part of computing. They’re especially vital for businesses running cloud applications as well as home users. The most critical function of a virtual machine ...

The takeaway from recent revelations of widespread NSA spying is even the best security software is unlikely to keep out elite hackers. One frequently offered defense is to use a separate PC to access ...

If the imminent end-of-support deadline for Windows XP has finally spurred you to make the update to Windows 8, you might be concerned about whether you’ll still be able to run your old programs. And ...