XK0-006 System Management Practice Question
A Linux administrator needs to view real-time information about running processes, including CPU and memory usage. Which TWO commands can be used for this purpose? (Choose two.)
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
✓
top
top and htop provide real-time process information with CPU/memory usage. ps gives a snapshot; kill is for terminating; systemctl manages services.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
ps aux
Why it's wrong here
Snapshot, not real-time.
- ✓
top
Why this is correct
Shows real-time processes.
- ✗
systemctl list-units
Why it's wrong here
Lists systemd units, not process details.
- ✓
htop
Why this is correct
Interactive process viewer.
- ✗
kill -l
Why it's wrong here
Lists signal names, not processes.
Go deeper
Related to this question
Learn chapter
Linux Fundamentals and History
Key term
systemctl
systemctl is the command-line tool used to inspect, start, stop, enable, or disable services managed by the systemd init system in Linux.
Key term
Linux
Linux is an open-source operating system that manages computer hardware and software, widely used in servers, desktops, and embedded systems.
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