{
  programs.zsh = {
    enable = true;

    # `y` opens yazi and, on quit, cd's the shell to wherever yazi ended
    # up -- yazi itself can't change its parent shell's directory, so it
    # writes the last dir to --cwd-file for the wrapper to pick up.
    interactiveShellInit = ''
      y() {
        local tmp="$(mktemp)"
        command yazi --cwd-file="$tmp" "$@"
        if [ -f "$tmp" ]; then
          local dir="$(cat "$tmp")"
          rm -f "$tmp"
          [ -d "$dir" ] && [ "$dir" != "$PWD" ] && cd "$dir"
        fi
      }
    '';
  };


    environment.shellAliases = {
    la = "ls -la";
    v = "nvim";
    ".." = "cd ..";
    "..." = "cd ../..";
    "s" = "systemctl";
    };
}