I really want only typewriter. All I need from that OS is an ability to run vim or emacs or maybe any other text editor, but vim and emacs I appreciate the most

I really want only typewriter. All I need from that OS is an ability to run vim or emacs or maybe any other text editor, but vim and emacs I appreciate the most. I don't reject modern technologies but in the world of super-smart and all-mighty devices, I am looking for one machine to be as stupid as possible.