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What can I do with the unused shared area (24 bit) space ?
The shared area (24 bit) consists of the Supervisor, the Shared Virtual Area (SVA - 24 bit) and Shared Partitions (if allocated). The SVA (24 bit) starts after the Supervisor area and consists of the System Directory List (SDL), Virtual Library Area (VLA),...
from Blog: z/VSE Blog
Modified on by Ingolf24
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Are you concerned about your space for 24 bit applications ?
Just a few days ago I saw a z/VSE 5.1 system, that did not use the VTAM 31 bit I/O buffer support. This support (available since z/VSE 3.1) allocates VTAM buffers in 31 bit storage, which frees up some 24 bit space, that can be used by your 24 bit (CICS)...
from Blog: z/VSE Blog
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