Yep. I work on COBOL. Every day. Even today! :) AS/400, COBOL, DB2, REXX and JCL. All the age old technology is still used. Very robust and secure - No wonder they have stood the test of time - at least for so long. :) On our system, we have codes written almost 30-35 years ago! Its definitely fun. :)
-- There's no such thing as perfect. Someone always finds something amiss. And when nobody says anything, you feel something's amiss!