--firmware-setup
When used with the reboot, poweroff, or halt
command, indicate to the system's firmware to
reboot into the firmware setup interface for the
next boot. Note that this functionality is not
available on all systems.
Added in version 220.
--boot-loader-menu=timeout
When used with the reboot, poweroff, or halt
command, indicate to the system's boot loader to
show the boot loader menu on the following boot.
Takes a time value as parameter — indicating the
menu timeout. Pass zero in order to disable the
menu timeout. Note that not all boot loaders
support this functionality.
Added in version 242.
Might still be useful for when you configured fast booting on your hardware. Stuff like that usually doesn’t leave enough time for you to manually hit the hotkey during boot.
On my system, I can just run
And it’ll take the system to the BIOS.
From the
systemctl(1)man page:But that requires me to boot into an os first. I do use it but if it’s off then it feels redundant.
Might still be useful for when you configured fast booting on your hardware. Stuff like that usually doesn’t leave enough time for you to manually hit the hotkey during boot.
Is there anything systemd can’t do?!
It can’t make gentoo users like it 😭