Explain the difference among the EXEC LINK, EXEC XCTL and
Cobol II static call statements in CICS.
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use a COBOL II CALL statement to invoke a subprogram. This
method is transparent to CICS, which sees only the one load
module. 2). an EXEC LINK is similar to a call; it invokes
a separate CICS program and ends with a RETURN to the
invoking program. or 3). an EXEC XCTL which transfers
control to another CICS program and does not get control
back.
COBOL II allows for static calls which are more efficient
than the LINK instruction which establishes a new run-unit.
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