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Mapping to Physical File Formats

MSS writes data sets to physical files on the PC and UNIX using the following organization and record format mapping:

Mainframe Physical File
Data Set Organization Record Format File Organization Record Format Comment
DA, DAU, PS, PSU Any fixed (Fnn) or variable (Vnn) format Sequential Micro Focus  
DA, DAU, PS, PSU LSEQ Line sequential Micro Focus Always uses ANSI character set. Can only be edited with a text editor
GDG       Catalog entry only
IS, ISU Any fixed (Fnn) or variable (Vnn) format Indexed sequential Micro Focus  
PDSM Any fixed (Fnn) or variable (Vnn) format Sequential Micro Focus  
PDSM LSEQ Line sequential Micro Focus  
PO, POU       Catalog entry only
VSAM ES Sequential ESDS  
VSAM ES Indexed sequential ESDS Alternate index defined
VSAM KS Indexed sequential Micro Focus  
VSAM LS Not supported    
VSAM RR Relative Micro Focus  
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