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| n | Replaces the
page that has not been referenced for the |
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| longest time |
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| u | By the principle
of locality, this should be the page least |
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| likely to be
referenced in the near future |
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| u | performs nearly
as well as the optimal policy |
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| n | Example: A
process of 5 pages with an OS that fixes |
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| the resident
set size to 3 |
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