Author: admin
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Mainframe Backup and Recovery: Complete Disaster Planning Guide
Imagine you’re the guardian of a vast library containing the complete business history of a Fortune 500 company, including every financial transaction for the past thirty years, detailed records of millions of customers, and the operational knowledge that keeps critical business processes running smoothly. Now imagine that this library processes thousands of new documents every…
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CICS vs IMS: Which Transaction Processing System to Choose?
Imagine you’re designing the customer service system for a massive international bank that must handle millions of transactions daily while maintaining perfect accuracy and instant responsiveness. You need to choose between two remarkable but fundamentally different approaches to managing this enormous workload. One approach resembles a sophisticated call center where highly trained specialists can handle…
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Mainframe Performance Tuning: 15 Tips That Actually Work
Imagine you’re the conductor of a world-class symphony orchestra where every musician represents a different component of a mainframe system. Your job isn’t just to ensure that each musician plays their part correctly, but to orchestrate the entire performance so that all the individual contributions blend together to create something magnificent. When one violin section…
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Best Mainframe Emulators for Learning and Development
Imagine wanting to learn how to fly commercial aircraft but being told you need access to a Boeing 777 worth hundreds of millions of dollars just to practice basic controls and procedures. This impossible barrier would prevent virtually everyone from ever learning aviation skills, no matter how talented or motivated they might be. For decades,…
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JCL Tutorial: Job Control Language for Beginners
Imagine you’re organizing a complex dinner party where you need to coordinate multiple chefs, each preparing different courses, using specific ingredients, in a precise sequence, with particular cooking equipment, all while ensuring that everything comes together perfectly at the right time. Now imagine that instead of speaking to these chefs directly, you had to write…
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Hybrid Cloud Architecture: Connecting Mainframes to AWS and Azure
Imagine you’re the architect for a major corporation that owns both a magnificent, centuries-old castle that houses their most valuable treasures and a state-of-the-art innovation campus where they develop new products and services. Your challenge is to connect these two facilities in ways that allow the company to leverage both the security and proven reliability…
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DevOps for Mainframes: Tools and Techniques for 2025
Imagine suggesting to a traditional mainframe team that they should deploy code changes multiple times per day, automate their testing processes, and tear down the careful separation between development and operations that has protected their systems for decades. The reaction you’d likely receive would be similar to suggesting that a master watchmaker should start using…
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Mainframe Security Best Practices: Protecting Enterprise Data
Imagine you’re responsible for protecting the crown jewels of a major kingdom, but instead of precious stones and gold, you’re safeguarding something far more valuable in today’s economy: the complete financial records of millions of customers, decades of business transactions worth trillions of dollars, and the operational data that keeps critical infrastructure running smoothly. This…
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AI and Machine Learning on IBM z/OS: Complete Implementation Guide
Imagine trying to explain to someone in 1969 that the same type of computer system used to put humans on the moon would one day be running artificial intelligence algorithms that can detect fraud in real-time, predict customer behavior, and automate complex business decisions. This scenario captures the remarkable evolution of mainframe computing from its…
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Mainframe Modernization: Cloud Integration Strategies That Work
Picture this seemingly impossible challenge: you need to modernize a 50-year-old building that houses critical infrastructure while keeping all the utilities running, maintaining structural integrity, and serving thousands of daily occupants without any service interruptions. Now imagine that the building processes trillions of dollars in transactions annually, and even a brief service disruption could cost…