CompTIA Linux+ Powered by LPI (LX0-103) — Question 7

What is the effect of the egrep command when the -v option is used?

Answer options

• A. It enables color to highlight matching parts.
• B. It only outputs non-matching lines.
• C. It shows the command's version information.
• D. It changes the output order showing the last matching line first.

Correct answer: B

Explanation

The correct answer is B because the -v option in egrep is specifically designed to invert the match, resulting in the display of only non-matching lines. The other options describe different functionalities that are not related to the -v option.