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Chapter 10 : Case Study - UNIX - page 18 / 48

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Ceng 334 - Operating Systems

10-18

UNIX Scheduler (1)

The UNIX scheduler is based on a multilevel queue structure (highest priority queue first, round-robin in each queue)

In this scheme, a process which was blocked and waiting for an event joins the appropriate queue when blocking is over (a process whose disk I/O is finished joins,say, queue –4)

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