You can call you program anything you want and create a command table entry for
it. That way you can leave IBM's submit where it was/is is SYS1.CMDLIB.
i.e. (look in option 3.9 of ISPF) and add
YourCMD SELECT PGM(yourPGM PRM('&ZPARM')) NEWAPPL(anything)
Then when the user types "yourCMD" it will invoke "yourPGM"
The PRM part is to pass a parm to yopur program, (in case they type "SUBMIT
'somedataset(member)'".
However, if you call your program SUBMIT then it will work outside of ISPF as
well, although it will work if you called it yourPGM just as well. The command
table just keeps them from having to type "TSO yourPGM" instead of just yourPGM
or yourCMD.
In any case, you don't want to replace IBM's submit, you just want to make sure
that yours is located before IBM's in either a steplib or in a linklist dataset
that occurs BEFORE sys1.cmdlib.
I think using the name SUBMIT is a really really bad idea, unless you are going
to create a alias for IBM's submit (maybe call it IBMSUB), so that if need be
you can use it in case yours fails.
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