Another one I love is that both bash & zsh can edit the current command in $EDIT...

deathanatos on March 17, 2017 | parent | context | favorite | on: Programs that have saved me 100+ hours

Another one I love is that both bash & zsh can edit the current command in $EDITOR. In bash, it's ^X^E by default, and in zsh, I think you have to bind it. (it's edit-command-line, which I strangely can't find in man zshzle.)