Linux CLI - Viewing and Editing Files
What will be the output of the command
cat -n file.txt if file.txt contains:Hello World
What will be the output of the command cat -n file.txt if file.txt contains:
medium📝 Command Output Q13 of 15
Step-by-Step Solution
Solution:
Step 1: Understand the
The-noption-noption numbers each line of the output when displaying file contents.Step 2: Apply numbering to each line
Given the file has two lines: "Hello" and "World", the output will prefix each line with its line number: "1 Hello" and "2 World".Final Answer:
1 Hello 2 World -> Option DQuick Check:
cat -nadds line numbers [OK]
Quick Trick: Use -n to add line numbers to output [OK]
Common Mistakes:
MISTAKES- Ignoring line numbers
- Placing numbers after text
- Thinking -n is invalid
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