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JES2 Facilities and Customization


Duration: 2 Days

Method: Instructor led, Hands-on workshops

Price: $1125.00

Course Code: MF1078


System programmers or administrators or other technical support people who need to understand JES2 and how to customize it.


So you want to demystify JES2 a bit and control it. Then this is the course for you. First, we cover JES2 facilities and capabilities. Next, we get into working with the options to customize JES2. We will also have a look at recommendations for use by the IT staff.


Upon successful completion of this course, the student will be able to:

  • Understand the facilities of JES2
  • Identify the various datasets involved
  • Understand how to customize the options for your environment
  • Identify key recommendations for use in your environment


Good working knowledge of z/OS plus its critical components from a usage point of view. Several months of experience using TSO/ISPF and JCL. Basic knowledge of application processes under z/OS.


  • I. Overview of Batch Processing and JES2 Facilities
    • What is z/OS batch and why do we still need it
    • What is JES2, actually
    • What does JES2 manage plus how it works
  • II. JCL and JECL for Control of Jobs
    • JCL parameters which impact JES2 processing
    • JECL control statements provided by JES2 and their use
  • III. JES2 Customization
    • PARMLIB member options which specify execution classes
    • PARMLIB member options which specify output classes
    • PARMLIB member options which specify spool dataset environment
    • Other options which affect job management
  • IV. IT Usage Considerations
    • Working with PROCLIBs via JES2
    • Working with SDSF interface to JES2