{
  pkgs,
  ...
}: {
  # Enable CUPS to print documents.
  services.printing.enable = true;

  # Enable sound with pipewire.
  sound.enable = true;
  hardware.pulseaudio.enable = false;
  security.rtkit.enable = true;
  services.pipewire = {
    enable = true;
    alsa.enable = true;
    alsa.support32Bit = true;
    pulse.enable = true;
  };

  # Z Shell
  programs.zsh = {
    enable = true;
    enableCompletion = true;
    autosuggestions.enable = true;
    syntaxHighlighting.enable = true;

    shellAliases = {
      ll = "ls -al";
    };

    ohMyZsh = {
      enable = true;
      plugins = [
        "git"
      ];
      theme = "robbyrussell";
    };
  };
  users.defaultUserShell = pkgs.zsh;

  environment.systemPackages = with pkgs; [
    #
  ];
}