What is the difference between START and XCTL? How do you
determine when to use either option?

Answer Posted / abhijit

START is used to start a transaction either from a
application program or in the background. Once the
transaction is started the application program moves ahead
in the processing. XCTL is used to transfer control to
another program(not a transasction). Once the XCTL command
is completed the calling program does not expect the
control to come back to itself.

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