//IEBUPDTE JOB                                                                  
//REBUILD   EXEC  PGM=IEBUPDTE,PARM=NEW                                         
//SYSPRINT  DD  SYSOUT=*                                                        
//SYSUT2    DD  DISP=(,CATLG),UNIT=SYSALLDA,SPACE=(80,(5,1,4)),                 
//          DSN=your.output.dataset.to.create,VOL=SER=vvvvvv,                            
//          RECFM=FB,LRECL=80,BLKSIZE=0,DSORG=PO                                
//SYSIN     DD  DISP=SHR,DSN=your.input.iebupdte.offload.file