1. Cook linguine according to package directions. Meanwhile, in a large skillet, saute the zucchini, mushrooms, onions and garlic in butter and oil for 3-5 minutes. Add the tomato, basil, salt and pepper; cover and simmer for 3 minutes. Drain linguine; add to vegetable mixture. Sprinkle with cheeses and toss to coat. Yield: 6 servings.