KERNEL_HALT(9) Driver Basics KERNEL_HALT(9)NAME
kernel_halt - halt the system
SYNOPSIS
void kernel_halt(void);
ARGUMENTS
void
no arguments
DESCRIPTION
Shutdown everything and perform a clean system halt.
COPYRIGHT Kernel Hackers Manual 3.10 June 2014 KERNEL_HALT(9)
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HALT(8) halt HALT(8)NAME
halt, poweroff, reboot - Halt, power-off or reboot the machine
SYNOPSIS
halt [OPTIONS...]
poweroff [OPTIONS...]
reboot [OPTIONS...]
DESCRIPTION
halt, poweroff, reboot may be used to halt, power-off or reboot the machine.
OPTIONS
The following options are understood:
--help
Prints a short help text and exits.
--halt
Halt the machine, regardless of which one of the three commands is invoked.
-p, --poweroff
Power-off the machine, regardless of which one of the three commands is invoked.
--reboot
Reboot the machine, regardless of which one of the three commands is invoked.
-f, --force
Force immediate halt, power-off, reboot. Do not contact the init system.
-w, --wtmp-only
Only write wtmp shutdown entry, do not actually halt, power-off, reboot.
-d, --no-wtmp
Do not write wtmp shutdown entry.
--no-wall
Do not send wall message before halt, power-off, reboot.
EXIT STATUS
On success, 0 is returned, a non-zero failure code otherwise.
NOTES
These are legacy commands available for compatibility only.
SEE ALSO systemd(1), systemctl(1), shutdown(8), wall(1)systemd 208HALT(8)
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