Linux Foundation LFCS Exam - Topic 5 Question 103 Discussion

Actual exam question for Linux Foundation's LFCS exam

Question #: 103
Topic #: 5

[All LFCS Questions]

Which grep command will print only the lines that do not end with a / in the file foo?

Agrep '/$' foo

Bgrep '/#' foo

Cgrep -v '/$' foo

Dgrep -v '/#' foo

Show Suggested Answer

Suggested Answer: C

by Gerald at Aug 02, 2025, 03:25 AM

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Kiera

4 months ago

C makes sense, but I’m still a bit confused.

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Dalene

4 months ago

I thought it would be A at first!

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Yuonne

5 months ago

Wait, why would B be an option?

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Chu

5 months ago

Definitely agree, C is correct.

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Katy

5 months ago

C is the right answer!

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Cheryl

6 months ago

I’m confused about the difference between the options with $ and #. Does $ mean end of line?

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Michel

6 months ago

I feel like I saw a similar question where we had to filter out certain endings, and I think it was using -v.

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Gracia

6 months ago

I remember practicing with grep, but I’m not sure if it’s -v or just the regular grep.

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Jestine

6 months ago

I think the command we want needs to exclude lines ending with a slash, so maybe it's the one with -v?

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Loreen

6 months ago

Yeah, I agree with Leila. The -v option in grep will invert the match, so it will print the lines that don't match the pattern.

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Leila

7 months ago

Okay, I think I've got it. The question is asking for lines that don't end with a slash, so the correct answer must be option C: grep -v '/$' foo.

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Sharen

7 months ago

Hmm, I'm a bit confused. Is it looking for lines that end with a slash or don't end with a slash? The wording is a bit tricky.

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Lashawn

7 months ago

This looks like a straightforward grep question. I think the key is to find the right pattern to match lines that don't end with a slash.

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Amber

7 months ago

Haha, I bet the person who wrote this question is a real 'slash' enthusiast. Option C is the winner!

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Bobbie

7 months ago

B is clearly wrong, the hash symbol isn't the right thing to look for here.

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Shawnta

7 months ago

I agree with Joni, option C makes more sense because it uses the -v flag to invert the match.

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Lemuel

8 months ago

Option C looks right, I don't want to end up with lines that have a forward slash at the end.

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Lynelle

4 months ago

Agreed! No trailing slashes for me either!

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Dorothy

4 months ago

I was confused at first, but C makes sense.

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Theola

5 months ago

Definitely! It filters out those pesky slashes.

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Sharika

5 months ago

I think C is the best choice too!

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Joni

8 months ago

But the question specifically asks for lines that do not end with a /, so option D is incorrect.

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Emilio

8 months ago

I disagree, I believe the answer is D) grep -v '/#' foo.

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Joni

9 months ago

I think the answer is C) grep -v '/$' foo.

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