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Explaining the Difference Between JCL and JCLLIB
When talking about mainframe systems programming, it is essential to understand the distinction between JCL and JCLLIB. JCL, which stands for Job Control Language, is used to instruct the operating system on how to execute a job. It specifies details such as program names, input and output datasets, and job execution characteristics.
On the other hand, JCLLIB is a system library where system programmers store JCL procedures for reuse. It acts as a centralized location for storing commonly used JCL code that can be referenced by multiple jobs. This helps in maintaining consistency in job execution and streamlines the overall programming process.
In summary, while JCL is the language used to define job execution steps, JCLLIB is the library where reusable JCL procedures are stored.
For more information on mainframe programming and related topics, feel free to explore our other articles on our website.
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