Explain about LMCLOSE�close a data set
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If LMINIT is issued with an enqueue (ENQ) of SHRW and LMOPEN is issued with the OUTPUT option,
it is important that an LMCLOSE be issued when the dialog has finished processing the data set, since the DASD volume is reserved until LMCLOSE is invoked.
>>-ISPEXEC--LMCLOSE--DATAID(data-id)---------------------------><
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