JCL Pass Parameters to Program - Jcl-scripting Typing CST Test
Loading…
JCL Pass Parameters to Program — Jcl-scripting Code
Pass command-line parameters to a program using PARM keyword.
//JOB003 JOB (ACCT),'PARAM TEST',CLASS=A,MSGCLASS=X
//STEP1 EXEC PGM=MYPROG,PARM='INPUT1 OUTPUT1'
//SYSOUT DD SYSOUT=*Jcl-scripting Language Guide
JCL (Job Control Language) is a scripting language used on IBM mainframes to instruct the system on how to execute batch jobs, manage resources, and run programs. It is essential for scheduling, running, and controlling batch workloads in z/OS environments.
Primary Use Cases
- ▸Submitting and scheduling batch jobs on mainframes
- ▸Allocating datasets and managing files
- ▸Running COBOL, PL/I, or assembler programs
- ▸Handling conditional job execution and dependencies
- ▸Automating repetitive enterprise operations
Notable Features
- ▸Control of job execution flow
- ▸Dataset and resource allocation
- ▸Conditional job and step execution
- ▸Integration with schedulers (e.g., IBM Tivoli Workload Scheduler)
- ▸Ability to execute multiple programs sequentially or in parallel
Origin & Creator
Developed by IBM in the 1960s for mainframe operating systems such as OS/360 and evolved through z/OS for batch job control.
Industrial Note
Extensively used in mainframe batch processing, enterprise IT operations, financial transaction processing, and legacy IBM environments.