z/OS Version 2 Release 1 Technical Updates

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IBM Time Sharing Option Extensions and TSO/E REXX

This chapter describes the various enhancements, functions, and features that were introduced for Time Sharing Option Extensions (TSO/E) and TSO/E REXX with IBM z/OS Version 2 Release 1 (2.1):

•21.1, “TSO/E logon failure messages” on page 274

•21.2, “TSO/E REXX EXECIO enhancements” on page 275

•21.3, “TSO/E REXX TRAPMSG function” on page 277

•21.4, “64-bit support for the REXX STORAGE function” on page 280

•21.5, “Enhanced TSO/E REXX LISTDSI function” on page 281

•21.6, “Multiple TSO/E login support ...

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