Cook linguine according to package directions for al dente., Meanwhile, in a large skillet, heat oil over medium-high heat. Add shrimp, peas, salt and pepper flakes; stir-fry 2-3 minutes or until shrimp turn pink and peas are crisp-tender., Drain linguine, reserving 1/4 cup pasta water. Add pasta, pasta water and salad dressing to shrimp mixture; toss to combine.