zsh's has "cdr" as part of the standard distribution, which I have been using for years. See zshcontrib. I wonder if anyone can make a comparison. From an usag

zsh's has "cdr" as part of the standard distribution, which I have been using for years. See zshcontrib. I wonder if anyone can make a comparison. From an usage perspective, they seem equivalent. cdr's configuration is more zsh-like.