Almost the entire code of UNIX operating system is written in _________…

2016

Almost the entire code of UNIX operating system is written in _________ programming language.

  1. A.

    C

  2. B.

    Pascal

  3. C.

    C++

  4. D.

    Fortran

Attempted by 192 students.

Show answer & explanation

Correct answer: A

The correct answer is C. UNIX was originally written partly in assembly, but almost the entire operating system was rewritten in the C programming language at Bell Labs. This made UNIX much more portable across different hardware systems.

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