In my earlier post I have given brilliant flow chart that help you  understand quickly the program flow.

EZTP  key statements i have given few here. I will give some more in my next posts.

    CALL PGMNAME USING (FIELDA, FIELDB, FIELDC) 

Description: PGMNAME= program name, FILEDA, FILEDB, FILEDC ARE WORKING STORAGE GROUPS.

     RESET WORKING-STORAGE

Description: It restores value of working storage fields to initial state

LABEL The max length is 40 chars. Example:  data names, Proc names etc 
8 Char length for  FILE names etc

Grab complete program structure here. This chart gives basic idea  about program.

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