Job Control Language (JCL) is a scripting language used on IBM mainframe operating systems to instruct the system on how to run batch jobs. It specifies the programs to execute, the resources required, and the sequence of operations, managing job execution and resource allocation.
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About Job Control Language
Job Control Language (JCL) was developed in the 1960s by IBM for its OS/360 operating system. It was created to manage and automate batch processing tasks, allowing users to define job steps, allocate resources, and control the execution flow of programs on mainframes.
Strengths of Job Control Language include its robustness, flexibility in managing complex batch jobs, and deep integration with IBM mainframe systems. Weaknesses include its steep learning curve, verbose syntax, and limited portability to non-mainframe environments. Competitors include Unix shell scripts, PowerShell for Windows environments, and other modern job scheduling tools like Apache Airflow.
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How to hire a Job Control Language expert
A Job Control Language expert must have strong proficiency in JCL syntax and commands, experience with IBM mainframe environments, knowledge of mainframe utilities and tools like IDCAMS and IEBGENER, familiarity with file handling and dataset management on mainframes, and the ability to troubleshoot and optimize batch job performance.
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