i've practiced zen for over ten years under the abbott of a zen temple whom in the past was also ordained in the theravada tradition. he has taught me much about zen and a decent amount about theravada i have read all of the important zen scriptures and i have read vast amounts of the pali canon as it is studied in the zen library on the temple grounds for study groups.
as far as i can tell they are extremely similar in practice and even in spirit. of course in doctrine and other things there are huge differences.
what differences are there in practice (other than the use of koan training)?
are there any zen trainings or practices that are not found also in the pali canon or at least a derivative of something from there?

