Bring a large pot of lightly salted water to a boil. Add l linguine, and cook for 9 to 13 minutes or until al dente drain.
Brush the mushrooms with 1/2 the olive oil, and arrange on a medium baking sheet. Broil in the prepared oven 6 to 8 minutes, turning frequently, until browned and tender.
In a pan heat the onion, garlic, and red bell pepper together till cooked
Cut the mushrooms into 1/4 inch slices, and place in a medium bowl. Mix with the remaining olive oil, red wine vinegar, oregano, basil, rosemary, garlic, and lemon juice. Season with salt and pepper and combine with the onion, bell pepper mixuter
In a large bowl, toss together cooked linguine and the mushroom mixture.