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what are LRU, LFU in the OS concepts? How they are useful in
the scheduling?

Answers were Sorted based on User's Feedback



what are LRU, LFU in the OS concepts? How they are useful in the scheduling?..

Answer / alam

********************************************************
LRU (Least recently used):
the process to wich CPU will assign will be the one which
is least recently used, in active processes queue.


LRU (Least frequently used):
the process to wich CPU will assign will be the one which
is least frequently used, in active processes queue.
**********************************************************

Is This Answer Correct ?    14 Yes 9 No

what are LRU, LFU in the OS concepts? How they are useful in the scheduling?..

Answer / mayur shetye

LRU , LFU are page replacement algorithms in os .
It scedules the manner in which the pages are swapped out
and swapped in memory !!!

"Least Frequently Used" is the best polycy for page
replacement in os !!!

Is This Answer Correct ?    5 Yes 5 No

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