Multiple choice

Which of the following is a number that identifies the group at the most fundamental level?

  1. PID

  2. UID

  3. ZID

  4. GID
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The GID (Group ID) is the numeric identifier used by the operating system to identify a group. PID refers to Process ID and UID refers to User ID.

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