system option specifies whether remote submits are executed synchronously.
The default setting can be overridden by setting the CONNECTWAIT=
option in the SIGNON statement or in subsequent RSUBMIT statements.
The option in the RSUBMIT or SIGNON statement or command takes precedence
over the system option.
is specified, you might also want to specify the CMACVAR= option in
the RSUBMIT statement. Setting CMACVAR= enables you to learn the status
of the current asynchronous RSUBMIT (whether it has completed or is
still in progress).