IBM 3270 Manual page 161

22. Type the DOS VER command: VER
23. Press the Enter key.
24. Wait for this message and the DOS prompt:
IBM Personal Computer DOS Version n.nn
A>
25. Press the Finish key.
That's all there is to it. You now have a
recording called PCCMDS. If you want to play
this recording, follow the instructions in the
section, "Playing a Keystroke Recording with a
Pause to Enter Text" on page 11-13.
11-10 Book 3 - Using the Control Program