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1# Rebooting and Shutting Down {#sec-rebooting}
2
3The system can be shut down (and automatically powered off) by doing:
4
5```ShellSession
6# shutdown
7```
8
9This is equivalent to running `systemctl poweroff`.
10
11To reboot the system, run
12
13```ShellSession
14# reboot
15```
16
17which is equivalent to `systemctl reboot`. Alternatively, you can
18quickly reboot the system using `kexec`, which bypasses the BIOS by
19directly loading the new kernel into memory:
20
21```ShellSession
22# systemctl kexec
23```
24
25The machine can be suspended to RAM (if supported) using `systemctl suspend`,
26and suspended to disk using `systemctl hibernate`.
27
28These commands can be run by any user who is logged in locally, i.e. on
29a virtual console or in X11; otherwise, the user is asked for
30authentication.