Видео с ютуба Mainframe Classes
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JCL Refresher in One Hour
JCL Tutorial | JCL Complete Reference | JCL Complete Tutorial | JCL Course | Mainframe JCL Tutorial.
Mainframe - Overview
Mainframe is a dead technology ☠️
IBM Mainframe Performance and Capacity Management Curriculum Video
Basics of Running COBOL / JCL and Checking Output on IBM Mainframe
Types of Computer | SuperComputer | Mainframe Computer | MicroComputer | Mini Computer
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