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To solve the problem of external fragmentation ________ needs to be done periodically.

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To solve the problem of external fragmentation ________ needs to be done periodically.

(a) compaction

(b) check

(c) formatting

(d) replacing memory

I have been asked this question during an interview for a job.

I'd like to ask this question from File System Implementation in portion File Systems and their Implementation of Operating System

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Best answer
The correct choice is (a) compaction

Explanation: None.

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