You want to combine the contents of fileA.txt and fileB.txt into fileC.txt without overwriting fileC.txt if it exists. Which command is correct?

hard📝 Application Q9 of 15

Linux CLI - Viewing and Editing Files

You want to combine the contents of fileA.txt and fileB.txt into fileC.txt without overwriting fileC.txt if it exists. Which command is correct?

Acat fileC.txt > fileA.txt fileB.txt

Bcat fileA.txt fileB.txt > fileC.txt

Ccat fileA.txt fileB.txt >> fileC.txt

Dcat > fileC.txt fileA.txt fileB.txt

Step-by-Step Solution

Solution:

Step 1: Understand redirection operators
>> appends to a file, > overwrites it.
Step 2: Choose the command that appends without overwriting
cat fileA.txt fileB.txt >> fileC.txt uses >> to append contents of both files to fileC.txt.
Final Answer:
cat fileA.txt fileB.txt >> fileC.txt -> Option C
Quick Check:
Use >> to append, not overwrite [OK]

Quick Trick: Use >> to append file contents safely [OK]

Common Mistakes:

MISTAKES

Using > which overwrites
Misplacing filenames
Incorrect redirection syntax

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More Linux CLI Quizzes

You want to combine the contents of fileA.txt and fileB.txt into fileC.txt without overwriting fileC.txt if it exists. Which command is correct?

Step 1: Understand redirection operators

Step 2: Choose the command that appends without overwriting

Final Answer:

Quick Check:

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