Hello Niki,

You wrote:
>We are trying to modify subfile programs so that they could be run
>interactively as well as in batch mode. For that we compiled the Display
>file with the Display Device option as *NONE>

This just allows you to defer determining the associated display device until 
run-time. It does not allow you to do display I/O without a display device.

>Now in the program whenever there is a Read or Write operation on the
>Subfile, the program is Crashing. Is there any way of dealing with this
>situation, without actually doing away with the Read or Write operations ?

No. You have to test whether you are in batch or not. If in batch then you 
must bypass the screen I/O operations. You can use the CL command RTVJOBA or 
the QUSRJOBI API to deteremine batch or interactive.

Simon Coulter.
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