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Who came first!!!???

  1. c - shell

  2. z shell

  3. korn shell

  4. bourne shell
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The Bourne shell (sh) was the first Unix shell, created by Stephen Bourne at AT&T Bell Labs in the late 1970s. The C shell (csh) came later (1978), followed by the Korn shell (ksh) in the 1980s, and the Z shell (zsh) in 1990. The Bourne shell is the foundation for many subsequent Unix shells.

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