You want to count the total number of lines in multiple files: file1.txt, file2.txt, and file3.txt. Which command gives the total lines combined?

hard📝 Application Q8 of 15

Linux CLI - Viewing and Editing Files

You want to count the total number of lines in multiple files: file1.txt, file2.txt, and file3.txt. Which command gives the total lines combined?

Awc -l file1.txt file2.txt file3.txt | tail -1

Bwc -l file1.txt file2.txt file3.txt | head -1

Cwc -l file1.txt file2.txt file3.txt | grep total

Dwc -l file1.txt file2.txt file3.txt | grep -v total

Step-by-Step Solution

Solution:

Step 1: Understand wc -l output for multiple files
It lists line counts per file and a final total line count line.
Step 2: Extract total line count
The last line of output shows the total lines; tail -1 gets this line.
Final Answer:
wc -l file1.txt file2.txt file3.txt | tail -1 -> Option A
Quick Check:
Total lines = last line of wc -l output [OK]

Quick Trick: Use tail -1 to get total line count from multiple files [OK]

Common Mistakes:

MISTAKES

Using head -1 which shows first file only
Searching for 'total' which is not printed by wc
Filtering out total line accidentally

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More Linux CLI Quizzes

You want to count the total number of lines in multiple files: file1.txt, file2.txt, and file3.txt. Which command gives the total lines combined?

Step 1: Understand wc -l output for multiple files

Step 2: Extract total line count

Final Answer:

Quick Check:

Want More Practice?

Step 1: Understand `wc -l` output for multiple files