How to Set Attributes for a Specified Boot
Entry in the GRUB Menu
Setting Kernel Boot Arguments
Setting the auto_boot Parameter
Adding Kernel Arguments by Editing the
GRUB Menu at Boot Time
Setting a Parameter on a UEFI Enabled System
Setting Parameters for the Console Device
Shutdown Commands
How to Shut Down a System by Using the shutdown Command
System Shutdown Commands
Guidelines for Shutting Down a System
run level s or S
Initiating a Fast Reboot of a System
to a Single-User State With the Kernel Debugger Enabled
How to Force a Crash Dump
and Reboot of the System
System Shutdown Commands