askUser = async () => {
  let user = "saltcorn";
  if (!expert) return await askUserNonExpertMode();

  const responses = await inquirer.prompt([
    {
      name: "user",
      message: "Which OS user will run Saltcorn?",
      type: "input",
      default: user,
    },
  ]);
  return responses.user;
}
Ask for OS User Name
@returns {Promise<string|*>}