z/OS Version 2 Release 3 Introduction and Release Guide IBM GA32-0887-30 Note Before using this information and the product it supports, read the information in “Notices” on page 123. 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: 2019-06-24 © Copyright International Business Machines Corporation 2000, 2019. US Government Users Restricted Rights – Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp. Contents How to send your comments to IBM.......................................................................ix If you have a technical problem..................................................................................................................ix z/OS information.................................................................................................. xi Summary of changes...........................................................................................xiii Summary of changes for z/OS V2R3 Introduction and Release Guide.................................................... xiii Summary of changes for z/OS Version 2 Release 2 (V2R2) as updated December 2015...................... xvi Summary of changes for z/OS V2R2 Introduction and Release Guide................................................... xvii Chapter 1. z/OS elements and features.................................................................. 1 z/OS base elements..................................................................................................................................... 1 z/OS optional features................................................................................................................................. 2 Chapter 2. z/OS base elements descriptions...........................................................3 Alternate Library for REXX........................................................................................................................... 3 BCP (Base Control Program)........................................................................................................................3 BookManager READ..................................................................................................................................... 4 BDT (Bulk Data Transfer)............................................................................................................................. 4 Common Information Model (CIM)............................................................................................................. 4 Communications Server...............................................................................................................................4 Cryptographic Services................................................................................................................................ 5 Distributed File Service (DFS)......................................................................................................................6 DFSMSdfp.....................................................................................................................................................6 Environmental Record Editing and Printing Program (EREP)..................................................................... 7 ESCON Director Support.............................................................................................................................. 7 FFST/MVS (First Failure Support Technology/MVS).................................................................................... 7 GDDM (includes PCLK and OS/2 LINK)....................................................................................................... 8 HCD (Hardware Configuration Definition)................................................................................................... 8 HLASM (High Level Assembler)................................................................................................................... 8 IBM HTTP Server - Powered by Apache......................................................................................................8 IBM Tivoli Directory Server for z/OS (IBM TDS for z/OS)............................................................................ 8 ICKDSF (Device Support Facility)................................................................................................................ 9 Integrated Security Services....................................................................................................................... 9 ISPF.............................................................................................................................................................. 9 JES2........................................................................................................................................................... 10 Language Environment.............................................................................................................................. 10 Library Server.............................................................................................................................................11 MICR/OCR.................................................................................................................................................. 11 Metal C Runtime Library............................................................................................................................ 12 Network File System (NFS)........................................................................................................................12 Open Systems Adapter Support Facility (OSA/SF)................................................................................... 12 Run-Time Library Extensions.....................................................................................................................13 SMP/E......................................................................................................................................................... 13 Time Sharing Option/Extensions (TSO/E)................................................................................................. 13 Terminal Input Output Controller (TIOC)..................................................................................................13 z/OS Font Collection.................................................................................................................................. 13 z/OS Management Facility (z/OSMF).........................................................................................................14 z/OS OpenSSH........................................................................................................................................... 14 z/OS UNIX System Services (X/Open UNIX 95 functions)....................................................................... 15 iii z/OS Xvfb....................................................................................................................................................15 3270 PC File Transfer Program................................................................................................................. 15 Chapter 3. z/OS optional features descriptions .................................................... 17 BookManager BUILD..................................................................................................................................17 Bulk Data Transfer (BDT) File-to-File........................................................................................................17 Bulk Data Transfer (BDT) SNA NJE............................................................................................................17 Communications Server Security Level 3..................................................................................................17 DFSMS Features (DFSMSdss, DFSMShsm, DFSMSrmm, and DFSMStvs)................................................ 17 DFSORT...................................................................................................................................................... 18 GDDM-PGF................................................................................................................................................. 18 GDDM-REXX...............................................................................................................................................19 Hardware Configuration Manager (HCM).................................................................................................. 19 High Level Assembler Toolkit.................................................................................................................... 19 IBM Knowledge Center for z/OS................................................................................................................19 Infoprint Server..........................................................................................................................................20 JES3........................................................................................................................................................... 21 RMF (Resource Measurement Facility)..................................................................................................... 21 SDSF (System Display and Search Facility)...............................................................................................21