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Category: JCL

JES2/3, JCL, utilities.

REGION PARM in Mainframes

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| JCL, Mainframes

REGION PARM in Mainframes: Significance, Usage, and Impact on Job Execution Introduction In the world of mainframe computing, efficient resource […]

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Download data from mainframes to excel

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| JCL, Mainframes

Mainframe Data Transfer to PC Introduction Mainframes have been the backbone of large-scale computing for decades, handling vast amounts of […]

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Difference between DUMMY and NULLFILE in mainframes

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| JCL

Understanding the Difference Between DUMMY and NULLFILE in Mainframes Introduction: Mainframes have been an integral part of the computing industry […]

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Anatomy of a JCL: Understanding Job Control Language in Mainframe Computing

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| JCL

Introduction: In the world of mainframe computing, the Job Control Language (JCL) serves as a crucial component for managing and […]

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JCL Statements – EXEC statements

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| Uncategorized, JCL

  An EXEC (or execute) statement defines the beginning of a step in a job or a procedure.      […]

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JCL statements – JOB statement

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| JCL

  The JOB statement is the very first control statement in a JCL. It marks the start of a job […]

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Introduction to JCL

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| JCL

Initially, when the computers were new to the world, the size of the computers was huge and very clumsy to […]

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Delete content of sequential dataset on mainframe.

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| Mainframes, Cobol, JCL, sort

Delete content of sequential dataset on mainframe While working with mainframes there will be times when you’d like to delete […]

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JCL – Job Control Language.

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| Mainframes, JCL

JCL – Job Control Language.   Job Control Language (JCL) is a scripting language used on IBM mainframe operating systems. […]

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