Coding Efficient z/OS (MVS) JCL
5 Days
There are more JCL parameters than you ever need to know. This session covers those you need to code efficient JCL. The workbook contains many illustrations that may be used for future reference. Your JCL standards are incorporated into the training.
AUDIENCE Operations, Programming, those creating JCL standards, and Auditing.
GOALS
  • Code Efficient JCL and Improve Existing JCL Code using your JCL standards.
  • Apply JCL Overrides and Easily Correct JCL Errors.
  • Stop inefficient JCL coding habits from spreading throughout the shop.
  • Learn and use "best practices".
SESSION CONTENT
  • What's JCL & Why Have JCL Standards?
  • JCL Statement Format?Name, Operation, Operand, Comment, Continuations
  • Special JCL Statements
  • JOB Statement
  • EXEC Program Statement
    - Checking Step Return Codes
    - Coding REGION & TIME parameters
    - Passing Parm Information
  • Cataloged Procedures, Plain JCL, Instream Procedures
  • Data Set Types
    - Using a Cataloged Simple Data Set Versus a Temporary
    - Partitioned Data Set, VSAM, Generation Data Group (GDG)--Building the GDG Base
  • DD Statement
    - Disposition (Creating and Accessing Data Sets, Considering Step Restart)
    - When and How to Code UNIT, VOLUME, SPACE, LABEL, DCB , DEN, BUFNI, BUFND, BUFNO, DUMMY, FREE, (Efficient Blocking)
  • Coding JOBLIB or STEPLIB
  • Input Data-In-stream versus Control Statements in Procedures
  • Printing Output-SYSOUT, SYSUDUMP, SYSPRINT
  • Backward References
  • Using Symbolics
  • Overriding Cataloged Procedures
  • Concatenating Data Sets
  • Using JES Control Statements
  • Creating & Using an ABEND Step
  • Avoiding JOBCAT & STEPCAT DDs
  • Covering Client's JCL Software Tools
  • Coding Often Used IBM Utilities-ICEGENER, IEFBR14 & SORT
  • Introducing SMS & MVS/ESA Versions 4 & 5

Workstations are needed for this session.
Our expert instructors can cover any and all topics on this
subject. Topics can be added or deleted per Customer's needs.


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