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What is the reason for using the LFU page replacement algorithm?

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What is the reason for using the LFU page replacement algorithm?

(a) an actively used page should have a large reference count

(b) a less used page has more chances to be used again

(c) it is extremely efficient and optimal

(d) all of the mentioned

The question was asked in class test.

The doubt is from Virtual Memory topic in division The Linux System of Operating System

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The correct option is (a) an actively used page should have a large reference count

The explanation: None.

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