Process (computing): Difference between revisions

Revision as of 02:17, 7 December 2022

Revision as of 20:13, 25 December 2022

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The above description applies to both processes managed by an operating system, and processes as defined by [[process calculus|process calculi]].

If a process requests something for which it must wait, it will be blocked. When the process is in the [[Process state|blocked state]], it is eligible for swapping to disk, but this is transparent in a [[virtual memory]] system, where regions of a process's memory may be really on disk and not in [[Computer data storage#Primary storage|main memory]] at any time. Note that evenEven portions of active processes/tasks (executing programs) are eligible for swapping to disk, if the portions have not been used recently. Not all parts of an executing program and its data have to be in physical memory for the associated process to be active.

===Process states===