Multiple choice

Which of the following options is an open source operating system?

  1. UNIX

  2. LINUX

  3. Microsoft Window

  4. None of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Linux is an open-source operating system, meaning its source code is freely available for anyone to use, modify, and distribute. UNIX is proprietary, and Microsoft Windows is closed-source commercial software.

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