hi all!

     I'm new to cobol400, and I want to learn basic programming in cobol
like 
     1. file manipulation or add, logical delete, update and other stuffs
     2. subfile programming on different types of subfiles, validation and
other stuffs

    Can you give some suggested readings,source code links etc.. for
cobol400, by the way I have some background on rpg 

    Many Thanks in advance!!!

    GODBLESS!!!
wilson


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