Multiple choice

Which of the following is a multi-user OS?

  1. Dos

  2. Unix

  3. Linux

  4. Both (2) and (3)
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Unix and Linux are multi-user operating systems designed to support multiple simultaneous users with proper permissions and security. DOS is a single-user operating system that only supports one user at a time without user differentiation.

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