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John works as a Network Administrator for Perfect Solutions Inc.

John works as a Network Administrator for Perfect Solutions Inc. The company has a Linux-based network. John is working as a root user on the Linux operating system. He executes the following command in the terminal: echo $USER, $UID Which of the following will be displayed as the correct output of the above command?

A.

John, 0

B.

root, 0

C.

root, 500

D.

John, 502

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