how to set autoboot using the EFI shell?

Enable / Disable autoboot using EFI shell

shell>autoboot on

shell>autoboot off

Enable/disable using "setboot" command

# /usr/sbin/setboot -b on (For enable)
# /usr/sbin/setboot -b off (For Disable)

To set the autoboot delay to 30 seconds, use the EFI Shell command:

shell> autoboot 30

By use of EFI boot manager:
1. Select “Boot Option Maintenance Menu” from the boot manager’s main menu
2. Select “Auto Boot TimeOut” from the boot option maintenance menu
3. Select “Set TimeOut Value”
4. Enter the number of seconds you want to use for the boot delay (for example 30).