*---------------------------------------------------------------
      *--- EXEC OPERANDS
      *---           format 1 to execute a program
      *--- // EXEC [PGM=]
      * --           program-name
      *---          REAL
      *---          SIZE=’value’
      *---          GO
      *---          PARM=’value’
      *--------------------------------------------------------------- 
               	 
Where:
      *---------------------------------------------------------------
      *--- EXEC OPERANDS
      *---           format 2 to execute a procedure
      *--- // EXEC PROC=procedure-name
      *---                            parm=parm-value  
      *--------------------------------------------------------------- 
               	 Where:
      *---------------------------------------------------------------
      *--- EXEC OPERANDS
      *---           format 3 to execute a rexx procedure
      *--- // EXEC REXX=procedure-name
      *---                            
      *--------------------------------------------------------------- 
               		REXX is supported but cannot be executed in this way. You must use IKJEFT01 (TSO in batch) to invoke REXX in the same way as in MVS or z/OS.