Linux › Section F · How user space starts › Topic F.5
Shutting down your system
Turning a Linux machine off is a process, not a switch. A proper shutdown lets services finish their work, writes buffered data to disk and unmounts filesystems cleanly, so the next boot starts from a consistent state.
In this topic
- Why the power button is not enough
- The shutdown command
- Worked example: a scheduled reboot
- systemctl and the classic commands
- What systemd does during shutdown
- The general sequence
- Worked example: a shutdown that hangs
- Forcing the issue, and its risks
- Common mistakes to avoid
- Key takeaways
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