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Railways PYQCBT 1 2016

RRB NTPC · Question 61

The operating system UNIX is the trademark of ________.

  1. Microsoft

  2. Bell Laboratories

  3. Apple

  4. Motorola

Show answer & explanation

Answer: (B) Bell Laboratories

Explanation

UNIX was developed in 1969 at AT&T's Bell Laboratories by Ken Thompson and Dennis Ritchie, and the UNIX trademark originated there. (Today the trademark is held by The Open Group.)