z/OS Version 2 Release 3 TSO/E General Information IBM SA32-0979-30 Note Before using this information and the product it supports, read the information in “Notices” on page 65. This edition applies to Version 2 Release 3 of z/OS (5650-ZOS) and to all subsequent releases and modifications until otherwise indicated in new editions. Last updated: 2019-02-16 © Copyright International Business Machines Corporation 1988, 2017. US Government Users Restricted Rights – Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp. Contents List of Figures........................................................................................................ v List of Tables........................................................................................................vii About this document.............................................................................................ix Who should use this document...................................................................................................................ix How this document is organized.................................................................................................................ix How to use this document.......................................................................................................................... ix Where to find more information..................................................................................................................ix How to send your comments to IBM.......................................................................xi If you have a technical problem..................................................................................................................xi Summary of changes............................................................................................xii Summary of changes for TSO/E for Version 2 Release 3 (V2R3) and its updates.................................... xii Summary of changes for TSO/E for Version 2 Release 2 (V2R2) and its updates.................................... xii z/OS Version 2 Release 1 summary of changes........................................................................................ xii Chapter 1. Introduction......................................................................................... 1 Users of TSO/E............................................................................................................................................. 1 Highlights of TSO/E...................................................................................................................................... 1 Major benefits of TSO/E............................................................................................................................... 4 Sysplex support............................................................................................................................................7 Chapter 2. End use of TSO/E.................................................................................. 9 TSO/E Information Center Facility...............................................................................................................9 TSO/E Enhanced Connectivity Facility...................................................................................................... 12 Session Manager........................................................................................................................................12 End user commands.................................................................................................................................. 14 Chapter 3. Programming...................................................................................... 17 REXX programming language.................................................................................................................... 17 CLIST programming language................................................................................................................... 22 ALTLIB command.......................................................................................................................................22 TSOLIB command......................................................................................................................................22 Server-requester programming interface................................................................................................. 23 Support for writing Command Processors................................................................................................ 23 Support for using TSO/E services in non-TSO/E environment..................................................................24 Programming services............................................................................................................................... 24 TEST and TESTAUTH commands...............................................................................................................26 Command package.................................................................................................................................... 26 APPC/MVS administration dialog.............................................................................................................. 28 TSO/E Support for a REXX Compiler......................................................................................................... 28 Chapter 4. Customization.....................................................................................29 TSO/E environment....................................................................................................................................29 The UADS and RACF data base................................................................................................................. 33 TSO/E commands...................................................................................................................................... 34 SYS1.PARMLIB data set.............................................................................................................................38 CLIST processing....................................................................................................................................... 39 REXX processing........................................................................................................................................ 39 Session Manager........................................................................................................................................39 iii Information Center Facility........................................................................................................................40 Enhanced Connectivity Facility..................................................................................................................42 TSO/E exits.................................................................................................................................................42 Chapter 5. Administration....................................................................................49 Administering TSO/E..................................................................................................................................49 Administering the TSO/E Information Center Facility.............................................................................. 50 Chapter 6. Diagnosis............................................................................................55 Messages and codes..................................................................................................................................55 Tracing execution of programs and installation exits............................................................................... 55 TSODATA dump formatter......................................................................................................................... 58 TSO/E health checks..................................................................................................................................58 Appendix A. Accessibility.................................................................................... 61 Accessibility features.................................................................................................................................61 Consult assistive technologies.................................................................................................................. 61 Keyboard navigation of the user interface................................................................................................ 61 Dotted decimal syntax diagrams...............................................................................................................61 Notices................................................................................................................65 Terms and conditions for product documentation................................................................................... 66 IBM Online Privacy Statement.................................................................................................................. 67 Policy for unsupported hardware.............................................................................................................. 67 Minimum supported hardware.................................................................................................................