Editing grub boot menu, how to save?

[Slade Watkins]

Bo,
On Fri, Oct 29, 2021 at 1:02 PM Bo Berglund <bo.berglund at gmail.com> wrote:
>
> I have found this webpage describing how to edit a grub boot menu item, but it
> does not work...
> https://docs.oracle.com/cd/E19120-01/open.solaris/819-2379/fwbme/index.html
>
> What happens is this:
> - On the boot menu I select a line I want to edit.
> - Then I hit the letter e on the keyboard and the edit starts
> - I move the cursor to where I will add text and type away
> - Now I want to save the edit but *there is no save cmd*!!!
>
> The help line at the bottom has other explanations like TAB for completion and
> Ctrl-x or F10 to reboot and ESC to return while discarding edits.
>
> But nowhere is there a way to actually *save* the edited menu entry!
>
> I just want to change the label so that it is unmistakable *what* is going to
> boot by that line.
> Currently my top line only says "Ubuntu" and since there are multiple Ubuntus
> this is not very user friendly!
>
> The help text says at the beginning that this is an  Emacs like environment, but
> I have never ever used Emacs so if there is a specific "commonly known" key
> combination to save the edit, I do not know it.
>
> Googling "Emacs save command" says that Ctrl-x followed by Ctrl-s will save the
> work, but in this case Ctrl-x will actually exit without saving and continue the
> boot operation instead!
>
> Any ideas?

Wait, are you using emacs for sure? Sorry if that's a stupid question
(better to ask than guess), but I'm a bit confused since you said
"Emacs like" which implies it may not be a 1:1 copy.

>
>
> --
> Bo Berglund
> Developer in Sweden
>
>
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             -slade