LinuxCommandLibrary

grub-editenv

edit GRUB environment block

TLDR

Set a default boot entry (Assuming the boot entry already exists)

$ grub-editenv /boot/grub/grubenv set default=[Ubuntu]
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Display the current value of the timeout variable
$ grub-editenv /boot/grub/grubenv list timeout
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Reset the saved_entry variable to the default
$ grub-editenv /boot/grub/grubenv unset saved_entry
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Append "quiet splash" to the kernel command line
$ grub-editenv /boot/grub/grubenv list kernel_cmdline
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SYNOPSIS

grub-editenv [OPTION...] FILENAME COMMAND

DESCRIPTION

Tool to edit environment block.

Commands:

create

Create a blank environment block file.

list

List the current variables.

set [NAME=VALUE ...]

Set variables.

unset [NAME ...]

Delete variables.

Options:

-?, --help

give this help list

--usage

give a short usage message

-v, --verbose

print verbose messages.

-V, --version

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'.

REPORTING BUGS

Report bugs to <bug-grub@gnu.org>.

SEE ALSO

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.

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