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Thread: What is linkage section

  1. #1
    Junior Member
    Join Date
    Feb 2007
    Answers
    3

    What is linkage section

    What is linkage section? Is it possible to use this concept when there's no called program? Is it used for the ordinary cobol pragram with out any called program? can anyone help me out from this.......


  2. #2
    Junior Member
    Join Date
    May 2007
    Answers
    7

    Smile Re: What is linkage section

    When we use PARM in JCL, we need to use Linkage section in cobol pgm

    savvy


  3. #3
    Contributing Member
    Join Date
    May 2007
    Answers
    85

    Re: What is linkage section

    I'll expand on that.
    LINKAGE is used to get information into and out of a program.
    In the case where JCL calls a COBOL program with a PARM= on the EXEC card, it's the linkage section that holds the passed information.

    When a COBOL program calls another COBOL or Assembler program, LINKAGE performs the same function. It also has the benefit of being able to pass information from the called program back into the original program. Commonly this is a flag that reports on the success or failure in the called program.

    kk


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