He said he might switch to nano. It's not currently his editor of choice (unless there's something more recent). If I recall correctly he has been using uEmacs/PK (https://github.com/torvalds/uemacs).
> I really need to switch over to something that is actually maintained and does utf-8 properly. Probably 'nano'.
https://www.tag1consulting.com/blog/interview-linus-torvalds...
Just say "nano is Linus Torvald's editor of choice" (which is true and will instantly shut down the debate)