Operating systems have many functions: A user interface is a program ... Pages 0 and 1 are now free, so Program C is allocated pages 0, 1 and 5. Key fact Paging is a method of managing memory.

Also called an "executive" or "supervisor," an operating system performs the following functions. Job management controls the time and sequence that applications or utilities are run. For example ...

To some, an operating system is a burden or waste of resources, like those working on embedded systems and other low-power applications. To others it’s necessary, abstracting away hardware ...

Microsoft believes its new operating system is such a major step ... Windows 10 combines key functions from each of the major platforms. At the San Francisco launch, Microsoft's Windows chief ...