Cook linguine as directed on package; drain and set aside.
Meanwhile, slice sausage diagonally, chop bell peppers and tomatoes; set aside separately.
Heat olive oil in a large skillet over medium. Add sausage and peppers. Cook for 5 minutes or until sausage is cooked through and peppers are crisp tender.
Add chopped tomatoes; cover and simmer for 5-6 minutes or until tomatoes are soft.
Add linguine, Parmesan cheese and salt to skillet. Stir to combine and heat through.