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Advanced Topics in JCL

Recommended Duration:
3 Days
Version
z/OS Course is also suitable for OS/390 and MVS/ESA shops.
Benefits
Students who complete this course will be able to code JCL to run test and production batch jobs, use some common batch utility programs, and use a Sort / Merge program product; debug many JCL errors; set up JCL for restart; use some JES2 or JES3 control statements.
Audience
Experienced programmers, operators, analysts, support staff and users who need to know how to code JCL to run jobs. Anyone who needs to work with procedures, handle JCL errors, and design / code JCL to deal with multi-volume data sets, restart, and SMS data
Prerequisites
The student entering this course should have 6 months recent experience coding JCL statements or have completed the "z/OS JCL and Utilities" course within the last 12 months.
Major Topics
  • Data sets and libraries; DASD organization, VTOCs and catalogs
  • z/OS organization and workflow
  • JCL: rules of syntax
  • JOB, EXEC, DD, OUTPUT statements
  • OPEN processing
  • Sources of Information
  • Debugging JCL
  • Multi-volume data sets
  • Utilities: IEFBR14, IEBGENER, IEBCOPY
  • Introduction to IDCAMS
  • Conditional JCL: COND, IF/THEN, ELSE, ENDIF
  • Cataloged and in-stream procedures
  • Symbolic parameters in procedures and in open JCL
  • JES internal readers
  • Step restart, checkpoint restart
  • JES control statements
  • SMS - Storage Management Subsystem and PDSEs
  • INCLUDE, SET, JCLLIB
  • Sort / Merge, including multiple output files and Year 2000 capabilities
Exercises
There are six machine exercises.
Notes
This course is combined with "Introduction to TSO/ISPF" in the five-day course "z/OS Fundamentals: TSO and JCL". Course may be abbreviated to one day for students with experience in z/OS JCL to gain some hands-on experience using JCL features introduced most recently.