Documentation made easier
grub-set-default − set the saved default boot entry for GRUB
grub-set-default [OPTION] MENU_ENTRY
Set the default
boot menu entry for GRUB. This requires setting
GRUB_DEFAULT=saved in /etc/default/grub.
−h, −−help
print this message and exit
−V, −−version
print the version information and exit
−−boot−directory=DIR
expect GRUB images under the directory DIR/grub2 instead of the /boot/grub2 directory
MENU_ENTRY is a number, a menu item title or a menu item identifier.
Report bugs to <bug−grub@gnu.org>.
grub-reboot(8), grub-editenv(1)
The full documentation for grub-set-default is maintained as a Texinfo manual. If the info and grub-set-default programs are properly installed at your site, the command
info grub-set-default
should give you access to the complete manual.