Hello List, We are standardising our default TSO region sizes on 64MB since we start seeing more and more problems with programs abending, because people still have 4MB region size as a default. 64MB seemed like a reasonable value to solve some of the issues and not introduce any new. Testing the changes I noticed when I log on to TSO the help panel says that the maximum possible region size is 2096128. This is 1 MB less than 2 GB, which would be 2097152. Can somebody tell me why the max is not exactly 2GB?
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