Abbreviated as JCL, Job Control Language is a means
of communicating with the IBM 3090 MVS Operating System. JCL statements provide
information that the operating system needs to execute a
job. A job is
something that you want to accomplish with the aid of a mainframe computer (e.g.
copy a data set, execute a program, or process multiple job steps). You need to
supply the information that the job requires and instruct the computer what to
do with this information. You do this with JCL statements. A job step consists
of statements that control the execution of a program or procedure, request
resources, and define input and/or output. [Source:
Job Control Language (JCL) Introduction]
Validate your JCL with valJCL The valJCL tool is designed to check the JCL for syntax and the validation of PROCS, datasets, and symbolic parameters used. The tool will also analyze the rights of the user to create new datasets. This tool will be helpful to people who use JCL in their day-to-day work.
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