In EFI/ UEFI shell how to reboot or shutdown the system?
Having consulted resources related to the commands available in a UEFI/EFi Shell I cannot find two commands I would expect to be available
- reboot
- poweroff/halt/shutdown
What am I missing here? (can it be that EFI shell is somewhat overengineered, but lacks basic functionality?)
The command reset will do both poweroff and reboot. From the UEFI Shell Specification
reset
Summary
Resets the system.
Usage
reset [-w|-s|-c [string]] [-fwui]
Options
-s
- Performs a shutdown
-w
- Performs a warm boot
-c
- Performs a cold boot
string
- String to be passed to reset service
-fwui
If the system firmware supports it, perform a reset back to the firmware user interface (FW UI)
Examples
To shut down the system:
Shell> reset -sTo cold reset the system and stop boot at the firmware user interface:
Shell> reset –c -fwui