Cook linguine according to package directions, making sure that it is not overcooked. While pasta cooks, heat oil in a skillet.Saute garlic and onions until soft but not browned.Add clams with liquid, parsley, lemon juice and hot pepper sauce.Heat through. Drain linguine;place on a platter and pour clam sauce over it. Sprinkle with Parmesan cheese, as desired.Yields 2 servings.