Stop the system cleanly and request poweroff from supported hardware.
Which command is appropriate?
systemctl poweroff stops services and synchronizes filesystems before requesting a hardware poweroff.
Detailed explanation
systemctl rebootIncorrect. reboot starts the system again.
Incorrect. reboot starts the system again.
systemctl poweroffCorrect. systemctl poweroff requests a managed poweroff.
Correct. systemctl poweroff requests a managed poweroff.
systemctl suspend --offIncorrect. suspend is a sleep state, not a poweroff command with this option.
Incorrect. suspend is a sleep state, not a poweroff command with this option.
systemctl kill power.targetIncorrect. systemctl kill sends signals and is not the normal poweroff workflow.
Incorrect. systemctl kill sends signals and is not the normal poweroff workflow.
Try it yourself
An example you can run in a temporary verification environment.
systemctl poweroff --help 2>/dev/null | head || trueExpected result
poweroffのhelp。電源操作は行わないKey points
- systemctl poweroff
- Shutdown
- Power state
Notes
- Environment: systemctl helpのみ
- Command output formatting can vary slightly by distribution or tool version.
- Run the example in a temporary directory or process when possible.
Foundation review
Read the scope first
Check whether the command acts on the current shell, a new process, an existing process, or a file.
Verify the observable result
Use the supplied command and compare the output with the expected result.