An Introduction to JCL
One of the many differences between the mainframe and open systems environments is the mainframe's Job Control Language, or JCL. In z/OS® systems, nothing takes place that doesn't involve using JCL to define and allocate the datasets, memory, disks, tapes, subsystems, and other resources needed. JCL's over 50-year history means it's extraordinarily powerful, complex, and often incomprehensible to users new to the z/OS platform.
Here's What We'll Cover:
- What JCL is (and isn't)
- JCL's purposes and importance
- Major JCL control statements and their use
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