Types of Operating System Schedulers
Operating systems may feature up to three distinct types of scheduler, a long-term scheduler (also known as an admission scheduler or high-level scheduler), a mid-term or medium-term scheduler and a short-term scheduler. The names suggest the relative frequency with which these functions are performed. The scheduler is an operating system module that selects the next jobs to be admitted into the system and the next process to run.
Read more about this topic: Scheduling (computing)
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