Linux Foundation LFCS Exam - Topic 5 Question 110 Discussion

Actual exam question for Linux Foundation's LFCS exam

Question #: 110
Topic #: 5

[All LFCS Questions]

When given the following command line.

echo "foo bar" | tee bar | cat

Which of the following output is created?

Acat

Bfoo bar

Ctee bar

Dbar

Efoo

Show Suggested Answer

Suggested Answer: B

by Mi at Mar 07, 2026, 03:55 PM

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9 hours ago

I remember practicing a similar question where tee was involved, and it seemed to duplicate the output. Maybe it outputs "foo bar" as well?

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5 days ago

I think the output should be "foo bar" since that's what gets echoed, but I'm not entirely sure how tee works in this context.

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