Multiple choice

What is the shortest form of interprocess communication in UNIX?

Consider the following I/O scenario on a single-user PC: A mouse use with a graphical user interface

  1. Semaphore

  2. Pipe

  3. Signal

  4. All of these

  5. None of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A signal is an asynchrnous notification sent to a process or to a specific thread within the same process in order to notify it of an event that occured. So it is the shortest form of interprocess communication.

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