easyMultiple SelectObjective-mapped
XK0-006 Practice Question: Which THREE commands can be used to display the…
Which THREE commands can be used to display the mount points and file system usage? (Choose three.)
⚠ Common exam trap
Many candidates confuse 'df -i' (inode usage) with 'df -h' (space usage), or think 'du' shows mount points, when in fact 'du' only shows directory-level usage and requires additional options to correlate with mount points.
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
✓
df -h
(df -h) is correct because the 'df' command (disk free) with the '-h' (human-readable) flag displays file system disk space usage in a format that includes mount points, total size, used space, available space, and usage percentage. This directly shows both mount points and file system usage, making it a standard tool for this purpose.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
df -h
Why this is correct
Shows filesystem usage with mount points.
- ✗
du
Why it's wrong here
du shows directory sizes, not mount points and overall filesystem usage.
- ✗
df -i
Why it's wrong here
Shows inode usage, not storage usage.
- ✓
mount
Why this is correct
Lists all mounted filesystems and their mount points.
- ✓
lsblk
Why this is correct
Lists block devices with mount points (if mounted).
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Same concept, more angles
1 more way this is tested on XK0-006
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. Which TWO commands display disk usage information for filesystems? (Select 2.)
easy- A.ls
- ✓ B.du
- C.parted
- ✓ D.df
- E.fdisk
Why B: The `df` command (disk free) reports the amount of available and used disk space on all mounted filesystems, while `du` (disk usage) estimates file and directory space usage. Both commands are standard tools for displaying disk usage information for filesystems in Linux.
JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This XK0-006 practice question is part of Courseiva's free CompTIA 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 XK0-006 exam.