Ooh! Cool! Something I know the answer to! :) You have to type ./a.out . represents your current working dorectory, which is probably not in your path. -- Buddy Brannan, KB5ELV | And if the ground yawned, Email: davros at ycardz.com | I'd step to the side and say, Phone: (972) 276-6360 | "Hey ground! I'm nobody's lunch!" Voice mail: (877) 791-5298 | --Eddie From Ohio