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Thread: Difference between RECFM = FB and RECFM = F

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  1. #1
    Geek_Guest
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    Difference between RECFM = FB and RECFM = F

    What is the difference between RECFM = FB and RECFM = F and also between RECFM = VB and RECFM = V? Till date I have only be using RECFM = FB or VB as this already existed for the older JCLs.

    Question asked by visitor Pradeep


  2. #2
    Junior Member
    Join Date
    Feb 2007
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    Re: Difference between RECFM = FB and RECFM = F

    Quote Originally Posted by Geek_Guest View Post
    What is the difference between RECFM = FB and RECFM = F and also between RECFM = VB and RECFM = V? Till date I have only be using RECFM = FB or VB as this already existed for the older JCLs.

    Question asked by visitor Pradeep


    FB: The allocation of the memory units for Records takes in blocks. i.e you are externally telling the OS to store the records in blocks. where as F is nothing but Fixed records where the records will be stored on the default units OS.

    VB --> (V)Variable blocks used for variable records where it take extra 4 bytes to store the length of each record.

    As mentioned earlier the B --> block tell the OS to store the records in blocks.


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