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What is the difference between link xctl?
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Answer Posted / cheran pogu
The LINK command is used to pass control from an
application program at one logical level to another
application at the next lower logical level. The calling
expects the control to be returned to it. the control is
returned at the next sentence when called program completes
execution.
The XCTL command is used to pass control from one
application program to another application program at the
same logical level.The calling program does not expect
control to be returned.Data can be passed to the program
less overhead,performance is relatively better in
comparison to the LINK command.XCTL does not establish
return mechanisam like link.
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