grub-editenv - edit GRUB environment block
grub-editenv [OPTION...] FILENAME COMMAND
Tool to edit environment block.
Commands:
Create a blank environment block file.
List the current variables.
Set variables.
Delete variables.
Options:
give this help list
give a short usage message
print verbose messages.
print program version
If FILENAME is `-', the default value /boot/grub/grubenv is used.
There is no `delete' command; if you want to delete the whole environment block, use `rm /boot/grub/grubenv'.
Report bugs to <bug-grub@gnu.org>.
grub-reboot(8), grub-set-default(8)
The full documentation for grub-editenv is maintained as a Texinfo manual. If the info and grub-editenv programs are properly installed at your site, the command
info grub-editenv
should give you access to the complete manual.