GATE 2010 DISSCUSSION-OPERATING SYSTEM
ANSWER: LRU

1 2 3 1 2 5 4 3 3 1 2 3 5
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1 1 1 1 1 3 3 3 3
2 2 2 2 2 1 1 1
3 3 4 4 4 4 4
5 5 5 5 2 5
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1 2 3 4 5 6 7 8 9
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