If I recall correctly they both have the same entry point name, IGYCRCTL, so you can only linklist one effectively (without some non-standard cleverness). I definitely have them both installed (not by me!) on the same z/OS image in Dallas.
Charles -----Original Message----- From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On Behalf Of Mitch Mccluhan Sent: Wednesday, April 22, 2015 7:05 AM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: COBOL 4.2 support ...thanks to all that responded. One last question. Can 4.2 and 5.2 exist together? Does anyone have any experience with this? ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN