bootctl − Control the firmware and boot manager settings
bootctl [OPTIONS...] {COMMAND} |
bootctl may be used to query or (in the future) change the firmware and boot manager settings.
Firmware information is available only on EFI systems.
Currently, only the gummiboot(8) boot manager implements the required boot loader interface to provide complete boot manager information.
The following options are understood:
−h, −−help
Prints a short help text and exits.
−−version
Prints a short version string and exits.
The following commands are understood:
status
Show firmware and boot manager information about the system, including secure boot mode status and selected firmware entry (where available).
On success, 0 is returned, a non−zero failure code otherwise.
Boot loader interface [1] , Boot loader specification [2] , gummiboot [3]
1. |
Boot loader interface |
http://www.freedesktop.org/wiki/Software/systemd/BootLoaderInterface
2. |
Boot loader specification |
http://www.freedesktop.org/wiki/Specifications/BootLoaderSpec
3. |
gummiboot |
http://www.freedesktop.org/wiki/Software/gummiboot/