IBM 3270 Manual page 125

4. Press Enter. Your windows as you changed
them will appear on the screen.
Note: You can get your changes back
automatically by adding the INDRSTR
or the INDRSTR SCREEN command
to a system file called
AUTOEXEC.BAT. See Chapter 12 if
you want to use this file.
9-28 Book 3 - Using the Control Program