Have a look at XCOL from the vm download library. You could probably use that as a starting place.
From: The IBM z/VM Operating System [mailto:IBMVM@LISTSERV.UARK.EDU] On Behalf Of Tom Huegel Sent: Thursday, April 07, 2011 9:50 AM To: IBMVM@LISTSERV.UARK.EDU Subject: Re: XEDIT question Yes I have toyed with IOS3270 in the past. This application just isn't worth the effort. There will never be more than 16 records to display/update and only 2 or 3 occasional users.