All credit to https://medium.com/@a.b.t./here-are-some-possibly-useful-tweaks-for-steamos-on-the-steam-deck-fcb6b571b577 Please read this article before using.
I just wanted an easy way to make a few tweaks, and execute them.
bash <(curl -Ls https://raw.githubusercontent.com/wallentx/steamos-tweaks/main/enable)bash <(curl -Ls https://raw.githubusercontent.com/wallentx/steamos-tweaks/main/disable)