{...}: {
  programs.bash = {
    enable = true;

    initExtra = ''
      PS1='\[\033[1;32m\][\[\e]0;\u@\h: \w\a\]\w]\$\[\033[0m\] '
    '';

    shellAliases = {
      ll = "ls -lh";
      la = "ls -lah";
      ".." = "cd ..";
    };
  };
}