1HALT(8)                              halt                              HALT(8)
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NAME

6       halt, poweroff, reboot - Halt, power-off or reboot the machine
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SYNOPSIS

9       halt [OPTIONS...]
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11       poweroff [OPTIONS...]
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13       reboot [OPTIONS...]
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DESCRIPTION

16       halt, poweroff, reboot may be used to halt, power-off or reboot the
17       machine.
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OPTIONS

20       The following options are understood:
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22       --help
23           Prints a short help text and exits.
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25       --halt
26           Halt the machine, regardless which one of the three commands is
27           invoked.
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29       -p, --poweroff
30           Power-off the machine, regardless which one of the three commands
31           is invoked.
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33       --reboot
34           Reboot the machine, regardless which one of the three commands is
35           invoked.
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37       -f, --force
38           Force immediate halt, power-off, reboot. Don´t contact the init
39           system.
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41       -w, --wtmp-only
42           Only write wtmp shutdown entry, don´t actually halt, power-off,
43           reboot.
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45       -d, --no-wtmp
46           Don´t write wtmp shutdown entry.
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48       -n, --no-sync
49           Don´t sync hard disks/storage media before halt, power-off, reboot.
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51       --no-wall
52           Don´t send wall message before halt, power-off, reboot.
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EXIT STATUS

55       On success 0 is returned, a non-zero failure code otherwise.
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NOTES

58       These are legacy commands available for compatibility only.
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SEE ALSO

61       systemd(1), systemctl(1), shutdown(8), wall(1)
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AUTHOR

64       Lennart Poettering <lennart@poettering.net>
65           Developer
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69systemd                           09/14/2010                           HALT(8)