Vim
I’ve been using zsh for about 15 years but despite this I’ve noticed lately I’m pretty inefficient at editing commands in particular, mostly because I don’t have a clue about emacs keybindings. I am however very familiar with vi bindings but my config was never properly setup for zsh, I couldn’t search history like I could in emacs mode and I’ve been blundering along in this state for too long. (turns out it was just because the bindkey’s were not declared after doing bindkey -v to go to vi mode, oops)