Multiple choice technology operating systems

What symbol is used to "pipe" two commands together?

  1. :

  2. ||

  3. !
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D Correct answer
Explanation

The pipe symbol (|) is used to connect the stdout of one command to the stdin of another, enabling command chaining. The colon (:) is a null command in bash, double pipe (||) is logical OR, and exclamation (!) negates exit status in some shells.

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