Cook fettuccine according to package directions; drain and keep warm.
Heat large nonstick skillet over medium heat until hot. Place beef steaks in skillet; cook 11 to 13 minutes for medium rare doneness, turning twice. (Do not overcook.) Remove from skillet; keep warm.
Combine pasta sauce and oregano in same skillet; heat until hot. Return steaks to skillet; turn to coat with sauce. Place steaks on fettuccine; spoon sauce over all. Sprinkle steaks with cheese, allowing cheese to melt. Sprinkle with parsley.