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| Ans. mutual exclusion i.e the resource is not shareable and hence a process should have exclusive access to it at a particular time Hold and Wait i.e the process doesn't release all existing resources held by it before requesting for another one. No preemption i.e noone can forcefully release a resource held by another process and the process should voluntarily release the resource held by it. Circular Wait - For ex, P1 is waiting on resource to be released by P2, P2 is waiting on resource to be released by P3 and P3 is waiting on the resource to be released by P1 | ||||
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