010-160 The Power OF The Command Line Practice Question
You need to change the environment variable PATH to include the directory '/opt/bin'. Which command is standard?
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
✓
export PATH=$PATH:/opt/bin
Standard syntax involves referencing the current PATH and adding the new path.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
set PATH=$PATH:/opt/bin
Why it's wrong here
set is not for environment variables.
- ✗
env PATH=$PATH:/opt/bin
Why it's wrong here
This sets it only for the duration of one command.
- ✓
export PATH=$PATH:/opt/bin
Why this is correct
Prepending or appending using $PATH is standard.
- ✗
PATH=$PATH:/opt/bin
Why it's wrong here
This sets a local variable, not an environment variable.
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.