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Where is the semaphore stored in UNIX operating system?
Before going into the storage of semaphore it is first vital to know about semaphores. A semaphore is nothing but a term used in UNIX for a variable which acts as a counter. So the next question that comes in mind is what for we need this variable. It’s so simple. The reason is explained below. For instance there may be times when two processes try to access the same file simultaneously. In...
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