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CompTIA Exam XK0-005 Topic 4 Question 36 Discussion

Actual exam question for CompTIA's XK0-005 exam
Question #: 36
Topic #: 4
[All XK0-005 Questions]

A file called testfile has both uppercase and lowercase letters:

$ cat testfile

ABCDEfgH

IJKLmnoPQ

abcdefgH

ijklLMNopq

A Linux administrator is tasked with converting testfile into all uppercase and writing it to a new file with the name uppercase. Which of the following commands will achieve

this task?

Show Suggested Answer Hide Answer
Suggested Answer: D

This command will use the tr tool to translate all lowercase letters in the testfile to uppercase letters and write the output to the uppercase file. The first argument '[a-z]' specifies the set of characters to be replaced, and the second argument '[A-Z]' specifies the set of characters to replace with.The '<' symbol redirects the input from the testfile, and the '>' symbol redirects the output to the uppercase file12.


by Joaquin at Aug 07, 2024, 08:35 PM

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Ben
9 months ago
Yo, option D is the MVP here. Bet those other options are just trying to be fancy, but we don't need that. Keep it simple, folks!
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Eladia
9 months ago
Ah, the age-old question of converting a file to uppercase. D is the way to go, no doubt about it.
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Mila
8 months ago
I agree, tr '[a-z]' '[A-Z]' < testfile > uppercase is the way to go.
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Stanton
9 months ago
I think D is the correct command to convert the file to uppercase.
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Allene
9 months ago
Wait, why do we need to redirect the input and output files? Option D seems the most straightforward.
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Carman
9 months ago
Redirecting input and output files is necessary to save the changes to a new file. Option D is the correct command to use.
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Doyle
9 months ago
Option D seems like the best choice. It will convert all lowercase letters to uppercase.
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Barrie
10 months ago
I agree with Essie, D is the correct answer.
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Essie
10 months ago
But D converts lowercase to uppercase, which is what we need.
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Lonna
10 months ago
I disagree, I believe the answer is A.
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Muriel
10 months ago
Hmm, I'm not sure about the syntax of some of these options. I think I'll go with D just to be safe.
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Christa
9 months ago
Let's go with D to convert the file to all uppercase.
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Mila
9 months ago
Yeah, D looks like the correct command.
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Margart
10 months ago
I think D is the right choice.
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Loreta
10 months ago
Option D looks good to me. It's a simple one-liner that should do the trick.
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Shaun
9 months ago
Let's go with option D then, it's a simple and effective solution.
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Truman
9 months ago
I agree, tr '[a-z]' '[A-Z]' should work perfectly for this task.
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Reena
10 months ago
Yeah, using tr to convert lowercase to uppercase seems like the way to go.
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Truman
10 months ago
I think option D is the correct one.
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Essie
10 months ago
I think the answer is D.
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