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+-------------------------------------------------------------+ | CICS Control Address Space | | | | +---------------------+ +---------------------+ | | | TCT | | PCT | | | | (Terminal Control) | | (Program Control) | | | +----------+----------+ +----------+----------+ | | | | | | +----------------+----------------+ | | | | | v | | +-------------------+ | | | PPT / PPT | | | | (Processing/Prog) | | | +---------+---------+ | | | | | v | | +-------------------+ | | | Application | | | | Task / Logic | | | +-------------------+ | +-------------------------------------------------------------+ mainframe refresher part 2 by muthu pdf format best
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Constructing screen layouts using physical and symbolic maps ( DFHMSD , DFHMDI , DFHMDF ), and understanding attribute bytes (color, brightness, protect status).
Implementing complex conditional logic using RC (Return Codes), IF/THEN/ELSE/ENDIF statements, and managing COND parameters on JOB and EXEC statements.
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