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Reduce Storage Occupancy and Increase Operations Efficiency with IBM zEnterprise Data Compression by Paolo Bruni, Maria Kroos Boisen, Gianmauro De Marchi, Franco Pinto

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z/OS zEnterprise Data Compression Express feature and BSAM/QSAM data sets
This chapter describes the handling of compressed sequential files allocated by using basic sequential access method (BSAM) or queued sequential access method (QSAM) with the IBM zEnterprise Data Compression Express (zEDC Express) feature enabled. This chapter provides a short overview of the BSAM and the QSAM. You find the necessary steps needed to modify the IGDSMSxx PARMLIB member, and a description of the parameters.
This chapter then describes the changes to Data Facility ...

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