{ lib, pkgs, config, ... }: {
  users.defaultUserShell = pkgs.zsh;
  programs.zsh = {
    enable = true;
    enableCompletion = true;
    autosuggestions.enable = true;
    interactiveShellInit = ''
      ${lib.getExe pkgs.nix-your-shell} zsh | source /dev/stdin
    '';
    promptInit = ''
      # https://grml.org/zsh/grml-zsh-refcard.pdf
      source ${pkgs.grml-zsh-config}/etc/zsh/zshrc
      PS1='%n@${config.networking.fqdn} %/ \$ '
    '';
  };
}