Yoseph,<br>
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I am not really sure on what you mean by 'I.B.M. clients' but if you are referring to the network client, there is another software that you should use to emulate a mainframe(MVS) session. I am currently using Personal Communications Workstation Program (commonly referred to as PCom). <br>
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You should try the IBM website for more information. I do not know the much about the details.