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 ...

Perhaps most importantly, it establishes a cultural foundation so that everyone sees the organization and how it functions through the same operating lens. Taken together, the system is efficient ...

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 ...