Job Control Language (JCL) is the command language of Multiple Virtual Storage (MVS), which is the commonly used Operating System in the IBM Mainframe computers. JCL identifies the program to be executed, the inputs that are required and the location of the input/output, and informs the Operating System through Job control Statements.
In mainframe environment, programs can be executed in batch and online modes. JCL is used for submitting a program for execution in batch mode.
This tutorial will be useful for software programmers who would like to understand the basics of Job Control Language. Also, this tutorial will be helpful to mainframe professionals in increasing their level of expertise in JCL.
The tutorial is intended for readers who have a basic understanding of job
management and data management in mainframe environment.