I don't know if I'm bad at searching for information on the internet (even tho I tried for the last 2-3 hours), but I'm not able to find how I can bind Ctrl+m and Return to different actions. I have found how I can "unbind" Ctrl+m but it also unbinds the Return key and I want to use it.

Why isn't this possible? Are these two "connected" or something like that? Is there a "hack" to achieve what I want?

If not, is this an "operating system" thing or something that I can create my own shell and/or terminal library and change?

EDIT:

I have tried the following: This unbinds the "Ctrl+m" key as expected. However, "Return" does not work as well. Hence, my question about them been "connected".

you can use xev to see what kind of events were really generated. Also would be nice to know what did you try exactly.

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If you mean bash keymap binding, then yes, it works on the character code level and therefore cannot distinguish key combinations which generate the same code like ^M and enter.

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Thank you! I have modified the original text, so everyone can see it. I have used "xev" but it reports "Ctrl+m" as separate keys, so it isn't helpful here.

Damn, that's sad. Thank you for the reply!

You can remap probably the Ctrl-M to something else on X level, so instead of Ctrl-M something else will be sent to the terminal/shell, therefore you can assign something else to it.
also you might find it useful: https://unix.stackexchange.com/quest...er-combination

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Thank you! If it's something that is happening in the X11 (or Wayland in my case), I may indeed be able to remap it! Have a nice day!