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Which of the following is not true about tee command?

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Which of the following is not true about tee command?

(a) it is a feature of the shell

(b) it is an external command

(c) tee command duplicates its input

(d) tee is an internal command

I got this question during an interview.

The doubt is from Redirection and Pipes in section The Shell of Unix

1 Answer

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The correct choice is (a) it is a feature of the shell

Explanation: tee command is not a feature of the shell. tee command handles a character stream by duplicating its input. It saves one copy in a file and writes the other to standard output. It is an external command.

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