Manual fix of Grub2 impossible

[Tom H]

>>> Looking at the files in /etc/grub.d makes it
>>> impossible to be changed by hand. These are files written in bash binary
>>> code

>> Impossible? Binary code?

>>> which most of us are stupid about.

>> Speak for yourself.

> I speak for myself and almost EVERY new user of Ubuntu.

I don't see why any new user (or even any user) who is single- or
dual-booting (and not quadruple/quintuple booting like Karl) would
want to change anything in /etc/default/grub or /etc/grub.d).

grub2 is configured to detect and set up a single-boot with a
10-second timeout for a dual-boot.