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Linux Foundation LFCS Exam - Topic 5 Question 103 Discussion

Which grep command will print only the lines that do not end with a / in the file foo?
C) grep -v '/$' foo
A) grep '/$' foo
B) grep '/#' foo
D) grep -v '/#' foo

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?

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Suggested Answer: C

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

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Kiera
8 months ago
C makes sense, but I’m still a bit confused.
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Dalene
9 months ago
I thought it would be A at first!
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Yuonne
9 months ago
Wait, why would B be an option?
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Chu
10 months ago
Definitely agree, C is correct.
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Katy
10 months ago
C is the right answer!
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Cheryl
10 months ago
I’m confused about the difference between the options with $ and #. Does $ mean end of line?
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Michel
10 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
11 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
11 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
11 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
11 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 '/$' foo.
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Sharen
11 months ago
Hmm, I'm a bit confused. Is it looking for lines that end with a slash or don't end with a slash? The wording is a bit tricky.
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Lashawn
11 months ago
This looks like a straightforward grep question. I think the key is to find the right pattern to match lines that don't end with a slash.
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Amber
12 months ago
Haha, I bet the person who wrote this question is a real 'slash' enthusiast. Option C is the winner!
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Bobbie
12 months ago
B is clearly wrong, the hash symbol isn't the right thing to look for here.
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Shawnta
12 months ago
I agree with Joni, option C makes more sense because it uses the -v flag to invert the match.
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Lemuel
1 year ago
Option C looks right, I don't want to end up with lines that have a forward slash at the end.
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Lynelle
8 months ago
Agreed! No trailing slashes for me either!
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Dorothy
9 months ago
I was confused at first, but C makes sense.
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Theola
9 months ago
Definitely! It filters out those pesky slashes.
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Sharika
10 months ago
I think C is the best choice too!
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Joni
1 year ago
But the question specifically asks for lines that do not end with a /, so option D is incorrect.
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Emilio
1 year ago
I disagree, I believe the answer is D) grep -v '/#' foo.
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Joni
1 year ago
I think the answer is C) grep -v '/$' foo.
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