Troubleshooting
Problem
Shift+Insert and Shift+Delete is not bringing back the last command as expected when hitting the 3270 DUP key
Symptom
The keyboard mapping documentation indicates that Shift+Insert and Shift+Delete is the 3270 DUP key, also same as “Fieldmark”. The user is expecting that hitting this key (key sequence) will DUP the last command. Instead the user reports a ‘weird’ character on the console.
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Document Information
Modified date:
19 June 2026
UID
swg21690306