Multiple choice

Which of the following methods to perform interprocess communication in UNIX consist(s) of a resource that contains an integer value and allows processes to synchronise by testing and setting this value in a single atomic operation?

  1. Pipes

  2. Fifos

  3. Message queues

  4. Semaphores

  5. Shared memory
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D Correct answer
Explanation

This method to perform interprocess communication in UNIX consists of a resource that contains an integer value and allows processes to synchronise by testing and setting this value in a single atomic operation.

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