010-160 The Linux Operating System Practice Question
Which THREE commands can be used to display information about system memory?
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
✓
vmstat
free, vmstat, and top provide various ways to monitor system memory usage.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
ifconfig
Why it's wrong here
ifconfig is for networking.
- ✓
vmstat
Why this is correct
vmstat shows virtual memory stats.
- ✓
top
Why this is correct
top shows memory usage per process.
- ✗
lsblk
Why it's wrong here
lsblk is for storage block devices.
- ✓
free
Why this is correct
free shows total/used memory.
About these practice questions
This 010-160 question is part of Courseiva's 190-question bank — original exam-style content with full explanations and wrong-answer analysis, never real exam questions or exam 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.