Multiple choice technology

Which of the following is not Open Source Operatins system

  1. Red-Hat

  2. Ubuntu

  3. Vista

  4. Knoppix
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Windows Vista is a proprietary Microsoft operating system that is not open source. Red-Hat Linux, Ubuntu, and Knoppix are all Linux-based operating systems that are open source. Vista requires paid licenses and its source code is not publicly available for modification or distribution.

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