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# Rebooting and Shutting Down {#sec-rebooting}
The system can be shut down (and automatically powered off) by doing:
```ShellSession
# shutdown
```
This is equivalent to running `systemctl poweroff`.
To reboot the system, run
```ShellSession
# reboot
```
which is equivalent to `systemctl reboot`. Alternatively, you can
quickly reboot the system using `kexec`, which bypasses the BIOS by
directly loading the new kernel into memory:
```ShellSession
# systemctl kexec
```
The machine can be suspended to RAM (if supported) using `systemctl suspend`,
and suspended to disk using `systemctl hibernate`.
These commands can be run by any user who is logged in locally, i.e. on
a virtual console or in X11; otherwise, the user is asked for
authentication.
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