010-160 The Power OF The Command Line Practice Question
You want to find lines in 'file.txt' that do NOT contain the word 'success'. Which command works?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
grep -v 'success' file.txt
The -v flag in grep inverts the match.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
grep -n 'success' file.txt
Why it's wrong here
-n shows line numbers.
- ✓
grep -v 'success' file.txt
Why this is correct
-v inverts the search result.
- ✗
grep -c 'success' file.txt
Why it's wrong here
-c counts matching lines.
- ✗
grep -i 'success' file.txt
Why it's wrong here
-i ignores case.
About these practice questions
Courseiva writes every 010-160 question from scratch — 190 in total, each with an explanation and a wrong-answer breakdown. None are copied from real exams or dumps. Learn why practice questions differ from exam dumps →
JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official LPI exam blueprint
This 010-160 practice question is part of Courseiva's free LPI certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 010-160 exam.