Heat oven to 350°. In large bowl, beat margarine and sugars until creamy. Add eggs and vanilla; beat well. Add combined flour, baking soda, cinnamon and salt; blend thoroughly. Add oats and raisins; mix well. Drop dough by rounded tablespoonfuls onto ungreased cookie sheets. Bake 10 to 12 minutes or until light golden brown. Cool 1 minute on cookie sheets; remove to wire rack. Cool completely. Store tightly covered. Makes about 4 dozen.
Variations: Stir in 1 cup chopped nuts. Substitute 1 cup semisweet chocolate chips or candy-coated chocolate pieces for raisins; omit cinnamon. Substitute 1 cup diced, dried, mixed fruit.
Bar Cookies: Press dough onto bottom of ungreased 13 x 9-inch baking pan. Bake 30 to 35 minutes or until light golden brown. Cool completely in pan on wire rack. Cut into bars. Store tightly covered. Makes 24 bars.