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                    What is a PROC? What is the difference between an instream and a catalogued PROC?PROC stands for procedure. It is 'canned' JCL invoked by a PROC statement. An instream PROC is presented within the JCL; a catalogued PROC is referenced from a proclib partitioned dataset. 
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                    DISP ParameterIf the DISP parameter for a dataset is DISP=(NEW,PASS,CATLG), What will happen when the JCL is run? The first time? The second time? 
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                    JCL Program ExecutionIf a JCL containing 5 steps in a proc, how will you execute only 2nd and 4th steps? 
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                    Compress PDSHow did you compress a pds? explain in detail? 
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                    Coding RECFM=F over RECFM=FBWhat is the advantage of coding RECFM=F over RECFM=FB why not F. 
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                    PS and PDSWhat is the difference between PS and PDS ? If a PS file is almost equal to member of a PDS. Then what is the neccerasy to use a PS file.? 
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                    Conditionally execution of stepI have 10 steps in my job, how can i execute second step without executing first step, without using restart and commenting first step? 
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JCL Interview Questions

 
  
  
  
		
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