Slice loaf of bread in half lengthwise and place on baking sheet, cut side up. Place softened butter in a mixing bowl. Finely chop green onions, parsley and chives and add to the bowl. Add the salt and dill seed and stir well to combine all ingredients. Slather on the two halves of bread to cover completely. Bake in a 350 degree oven for about 20 minutes.