Drag a concept onto its matching description — or click a concept then click the description.
Concepts
Matches
List block devices
List open files
Manage partition tables
Inform OS of partition changes
Display block device attributes
mediumMatchingObjective-mapped
XK0-006 Practice Question: Match each Linux command to its primary function.
Match each Linux command to its primary function.
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: Display disk space usage
The correct matches are: df shows disk space, du estimates file space, fdisk manages partitions, mkfs creates filesystems. Common confusions involve mixing df/du and mount/fsck with wrong functions.
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: Display disk space usage
Why this is correct
'df' is used to report filesystem disk space usage.
- ✓
du: Estimate file space usage
Why this is correct
'du' estimates file and directory space usage.
- ✓
fdisk: Partition table manipulator
Why this is correct
'fdisk' is used to create and manipulate partition tables.
- ✓
mkfs: Create a filesystem
Why this is correct
'mkfs' is used to build a Linux filesystem on a device.
- ✗
mount: Estimate file space usage
Why it's wrong here
Incorrect — 'mount' attaches a filesystem, not estimate space usage (that is 'du').
- ✗
fsck: Display disk space usage
Why it's wrong here
Incorrect — 'fsck' checks and repairs filesystems, not display disk usage (that is 'df').
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About these practice questions
One of 979 original XK0-006 practice questions on Courseiva, each with a full explanation and wrong-answer analysis — not exam dumps or protected exam content. Learn why practice questions differ from exam dumps →
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.