: Specifies the program or procedure to be executed (the "step").
A JCL script typically starts with // and includes three primary statement types:
: The .7z extension suggests a compressed archive (7-Zip) likely containing JCL scripts or documentation for distribution or backup.
: Unrelated to the mainframe language, there is a "JCL" (JEDI Code Library) used in Delphi/Pascal development for utility functions and resource management.
: JCL defines "jobs"—units of work that the system processes without human interaction.
: It is essential for starting critical subsystems, such as the CICS Transaction Server , which handles high-volume online transactions. Basic Structure and Statements
: Identifies the job to the operating system and provides accounting information.
: While a legacy technology, JCL is integrated into modern CI/CD pipelines using tools like Jenkins and Kobee to automate job submissions and track changes.
