z/OS 2.3 Update





  • List the main enhancements in z/OS V2R3.
  • Describe and implement, where necessary, the other enhancements packaged with z/OS V2.3 including:
  • The BCP includes the I/O configuration program (IOCP), the Workload Manager (WLM), System Management Facilities (SMF), HCD/HCM, the program management binder, Language Environment, Global resource serialization, z/OS sysplex, cross-system coupling facility (XCF), Coupling Facility Resource Manager (CFRM), SFM, System Logger and other components like BCPii, z/OS Resource Measurement Facility (RMF) and z/OS Job Entry Subsystem 2 (JES2), JES3, SDSF, z/OS Interactive System Productivity Facility (ISPF), time-sharing option (TSO), REXX.
  • The z/OS Management Facility (zOSMF).
  • The USS kernel, USS shell, and related file system services.

  • Data storage management which includes Extended Address Volumes, DFSMSdfp, DFSMSdss, and DFSMShsm.

  • Communications Server which includes features of the TCP/IP address space, general IP, and SNA modernization.

  • System security - RACF.

  • Plan for and install the z/OS V2.3 system. 

This course is intended for system programmers and subsystem administrators responsible for installing and implementing z/OS V2.3 in their enterprise. 

Knowledge of z/OS at the level of a z/OS system programmer, acquired on the job or through the z/OS curriculum

Warning: This class only covers changes packaged in z/OS V2.3 and expects students to be familiar with the contents of the z/OS V2R2 and previous system upgrades. For students who have knowledge or experience based on lower levels of z/OS, you should first attend:

  • ESC6G: z/OS V1R13 to z/OS V2R1 Update (which brings skill level up to z/OS V2R1)

  • ESC7G: z/OS 2.2 Update (which brings skill level up to z/OS V2R2) 

  • z/OS V2R3 overview

  • Enhancements to the BCP

  • Sysplex enhancements

  • Data management enhancements

  • UNIX System Services enhancements (USS)

  • Communication Server enhancements

  • System security and RACF enhancements

  • Installation and migration of z/OS 2.3 

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