ibm-mainframe
IBM Mainframe
Overview
Comprehensive guidance for IBM Mainframe (z/OS) administration, development, operations, and modernization. Covers system programming, application development, middleware configuration, database management, and migration strategies for mainframe environments.
Quick Start Guide
Choose your task and load the appropriate reference:
- z/OS System Administration → Load zos-administration.md for system operations, address spaces, JES2/JES3, TSO/ISPF commands, dataset management, and USS
- JCL Development & Batch Processing → Load jcl-batch-processing.md for JCL syntax, utilities (IEBGENER, SORT, IDCAMS), procedures, GDG management, and job scheduling
- COBOL Programming → Load cobol-programming.md for COBOL structure, file handling, DB2/CICS integration, compile/link procedures, and debugging
- Mainframe Modernization → Load mainframe-modernization.md for migration strategies, assessment, rehost/replatform/refactor approaches, and cloud integration
Core Mainframe Concepts
z/OS Operating System
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