Because there is always more storage space than RAM space, virtual memory increases the computer's capacity to do work. All modern CPUs have memory management units (MMUs) that support virtual memory.

In a regular, non-virtual computer, the operating system is the master control program ... It intercepts calls to the peripheral devices and memory tables from each guest OS and intercedes ...

This combination of RAM and Swap files is known as Virtual Memory. Having a swap file makes your computer’s operating system “have” more RAM than it actually has. The Swapfile is not used in ...