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>File systems must be accessed in an efficient manner

>As a computer deals with multiple processors over a period of time, a list of request to access the disk build up

>The operating system uses a disk scheduling technique to determine which request to satisfy.

Disk scheduling techniques:

(1)First-come, First-served

(2)Shortest-seek-time-first(SSTF)

(3)scan

4 c-scan

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