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Mention the various features that characteristics the deadlock condition.
The four circumstances that give rise to deadlock condition are:
1) Mutual exclusion: As a minimum one resource must be held in the non-sharable mode that is only one process is able to be used at a time. If another process demand for the resource it should wait.
2) Hold and wait: A process should be holding at least one resource and wait for other process to give the resource to it.
3) No preemption: Resources not able to be preempted; it cannot be taken from one process with force.
4) Circular wait: Assume consider a set of process {p1, p2, p3.......} in the waiting queue such that p1 is waiting for the resource held by process p2 etc.
Q. Distinguish among a STREAMS driver and a STREAMS module? Answer: The STREAMS driver controls the physical device that could be involved in a STREAMS operation. The STREAMS
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MEMORY MANAGEMENT USING BIT MAPS In this memory is separated into different allocation units each of some particular size(a few bites).consider every space of size 4k. A
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What are overlays? To enable a process to be larger than the amount of memory allocated to it, overlays are used. The idea of overlays is to keep in memory only those instructi
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describe competing process
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