One related tip for #Emacs folks: Tons of refcards are already on your machine. Locate them with:
— Vedang (fosstodon.org/@vedang) (@vedang) February 21, 2020
M-x locate <RET> refcard <RET>
I use the Dired refcard very often. https://t.co/9q8LVAN1cu pic.twitter.com/0YX1oXw74h