Path: utzoo!attcan!uunet!lll-winken!ames!oliveb!apple!bloom-beacon!FANGORN.GSFC.NASA.GOV!tom
From: tom@FANGORN.GSFC.NASA.GOV (Thomas D. Schardt)
Newsgroups: comp.windows.x
Subject: Re: X windows for the IBM mainframe
Message-ID: <8904271455.AA08639@ATHENA.MIT.EDU>
Date: 27 Apr 89 15:05:12 GMT
Sender: daemon@bloom-beacon.MIT.EDU
Organization: The Internet
Lines: 2

Yes, IBM provides the X libraryies to write X client under VM with the TCP/IP
product.  I have no idea whether it works however.