public static void helpUser() {
		System.out.println("commands:");
		System.out.println("help");
		System.out.println("list");
		System.out.println("add [6 characters]");
		System.out.println("remove [6 characters]");
		System.out.println("compare [characters] [characters]");
		System.out.println("retrieve [6 characters]");
	}