mainframe production support webinar 1 Published 3 years ago • 13K plays • Length 1:15:46 Download video MP4 Download video MP3 Similar videos 26:46 mainframe open education: what is the mainframe? 35:27 day1 vsam intro to vsam jcl, vsam, cobol, db2 and cics modules training from 25-nov-2022 13:03 mainframe production support interview ||mock interview recreated session || cobol,jcl,vsam,db2.