page fault
page fault
page fault
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Least Recently Used (LRU) Algorithm Reference string: 1, 2, 3, 4, 1, 2, 5, 1, 2, 3, 4, 511115222223554444333Counter implementation Every <strong>page</strong> entry has a counter; every time <strong>page</strong> isreferenced through this entry, copy the clock into thecounter When a <strong>page</strong> needs to be changed, look at thecounters to determine which are to change