The browse data set contains records of print-image messages that are produced for the master station. Each record contains the equivalent of one print line, exactly as it would appear on a printer device.
Organization
Physical sequential with 80-character, fixed-length records.
DCB=(RECFM=FB,LRECL=80,BLKSIZE=80 * n)
Note: n is a user-defined value.
A large block size can cause only buffering of messages and no writing to the browse data set in a timely manner. Too small a block size can cause performance problems (and bad use of DASD space) due to the number of messages going to browse. A block size of at least 1600 is recommended.
Space Requirements
Size of the data sets varies according to the frequency of messages and the time wanted to be available for online browsing. Whenever the end of extent is reached during an execution, the space that is allocated is automatically reused from the beginning.
DASD Restrictions
None.
Note: Allocate and define this file to CA WA CA 7 Edition.
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