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Explain Beladys Anomaly?


Belady's anomaly is in context with the page faults occurring in FIFO page replacement policy. It says that on increasing the number of page frames, the no. of page faults do not necessarily decrease, they may also increase. LRU page replacement algorithm is free from Belady's anomaly.

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List the Coffmans conditions that lead to a deadlock?Explain the concept of Reentrancy?