Which of the following best defines a zombied process?
  1. A process that has stopped executing as it waits for user input
  2. A process that has finished executing but whose parent process has not released the child process PID
  3. A process that is traced by another process
  4. A process that has gone to the sleep state and cannot be interrupted
Explanation
Answer - B - A zombied process is a process that has finished executing, but whose parent process has not released the child process PID.

Key Takeaway: Zombie process is an inactive computer process. It is a process that has completed execution, but still has an entry in the process table. This allows the process that started it to read its exit status.
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