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Linux Foundation LFCS Exam - Topic 4 Question 106 Discussion

Actual exam question for Linux Foundation's LFCS exam
Question #: 106
Topic #: 4
[All LFCS Questions]

Which of the following commands will output all of the lines with the name Fred in upper or lower case but not the word red from the file data_file? (Choose two)

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Suggested Answer: D, E

by Brinda at Nov 20, 2025, 09:51 AM

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Amalia
12 hours ago
Why D?
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Carey
6 days ago
I think D and E are correct.
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Laura
24 days ago
I thought grep -i would include "red" too, but I guess not!
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Celeste
29 days ago
A is definitely wrong, it excludes everything with "fred".
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Catina
1 month ago
Haha, good thing we don't have to worry about that 'red' word. D and E are the way to go!
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Rebbeca
1 month ago
D and E are the winners. Who needs to worry about that pesky 'red' word when you've got the power of grep?
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Fletcher
1 month ago
D and E are the way to go. Gotta love that case-insensitive grep!
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Shawnna
2 months ago
I think D and E are the correct answers. The -i option in grep is perfect for matching both upper and lower case.
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Timothy
2 months ago
D and E look good to me.
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Sommer
2 months ago
I'm not entirely sure, but I remember something about the -i flag making it case insensitive, so maybe option E is also right?
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Wendell
2 months ago
I think option D is correct because it matches both "Fred" and "fred" using the character class.
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Jules
2 months ago
Hmm, I'm not sure about the difference between grep and egrep here. I'll need to review the details of each option.
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Lyndia
3 months ago
I've got it! Options D and E should do the trick. The case-insensitive search will get all instances of "Fred", and the -v flag in option A will exclude "red".
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Dino
3 months ago
I'm a bit confused by the "not the word red" part. I'll need to double-check the options to make sure I don't include that.
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Ming
3 months ago
Wait, how does D work?
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Ena
3 months ago
Definitely agree with E!
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Billye
3 months ago
I think D and E are the right ones.
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Sanda
4 months ago
I’m confused about option A; it seems like it would exclude all lines with "fred," not just the word "red."
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Precious
4 months ago
I practiced a similar question, and I feel like option B might not work since it only matches "fred" in lowercase.
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Beckie
4 months ago
Okay, I think I know how to approach this. I'll need to use a case-insensitive search to get both upper and lower case "Fred".
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Lynsey
4 months ago
Hmm, this looks like a tricky one. I'll need to think carefully about the different options.
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