While you may still be able to find a 3270 physical terminal, the tn3270 class of emulators are more prevalent and it is very difficult to choose which one is better than another so no emulators will be presented. tn3270 clients have one thing in common and that is that they will interact as if it was a 3270 terminal. There are a huge number of tn3270 clients available and we mention the class herein instead of the specific programs. A tn3270 client will interact with IBM MVS-based mainframes and provide all the necessary features, including function key mappings for PC-style keyboards as necessary. We will review two mainframe systems and their corresponding clients.įirst there is the IBM mainframe client. There are many such tools available for use. To access legacy mainframe programs you will need a terminal emulator that can talk to the mainframe. 7.1 How Do I Access Legacy-Based Mainframe Programs?
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