IBM z/OS Debugger Modernization Guide
IBM z/OS Debugger is a debugging product by IBM. Explore technical details, modernization strategies, and migration paths below.
Product Overview
IBM z/OS Debugger by IBM is a Debugging + Developer Tools + IDE solution for mainframe environments.
Key use cases include: Interactive COBOL and PL/I debugging on z/OS, CICS transaction debugging, IMS and DB2 stored procedure debugging, Remote debugging from VS Code or IDz, Batch program step-through and variable inspection.
Modernization Strategies
Rehost
- Timeline:
- 6-12 months
Lift-and-shift to cloud infrastructure with minimal code changes. Fast migration with lower risk.
Refactor (Recommended)
- Timeline:
- 18-24 months
Optimize application architecture for cloud while preserving business logic. Best ROI long-term.
Replatform
- Timeline:
- 3-5 years
Complete rewrite to cloud-native architecture with microservices and modern tech stack.
Frequently Asked Questions
General
What is IBM z/OS Debugger?
IBM z/OS Debugger is the primary interactive debugging facility for z/OS applications.
Who makes IBM z/OS Debugger?
IBM z/OS Debugger is developed and maintained by IBM. It runs on z/OS platforms.
What are the main use cases for IBM z/OS Debugger?
Interactive COBOL and PL/I debugging on z/OS, CICS transaction debugging, IMS and DB2 stored procedure debugging, Remote debugging from VS Code or IDz, Batch program step-through and variable inspection
How does IBM z/OS Debugger work?
It supports debugging COBOL, PL/I, C/C++, and HLASM programs running in batch, CICS, IMS, DB2 stored procedures, and z/OS UNIX environments. Features include breakpoints, variable inspection, step-through execution, and remote debugging from IDz (IBM Developer for z/OS) or VS Code via Debug Adapter Protocol.
Technical
What platforms does IBM z/OS Debugger support?
IBM z/OS Debugger supports the following platforms: z/OS.
What are the alternatives to IBM z/OS Debugger?
Competing products include: Broadcom InterTest for CICS, Broadcom Xpediter, Rocket Enterprise Developer.
How complex is IBM z/OS Debugger to implement?
IBM z/OS Debugger has a medium technical complexity level with a moderate learning curve. It is best suited for mid-market|enterprise organizations.
Deployment & Industries
How is IBM z/OS Debugger deployed?
IBM z/OS Debugger supports the following deployment models: on-premise.
What industries use IBM z/OS Debugger?
IBM z/OS Debugger is primarily used in: Banking, Finance, Insurance, Government, Healthcare, Retail.
Ready to Start Your Migration?
Download our comprehensive migration guide for IBM z/OS Debugger or calculate your ROI.
Get IBM z/OS Debugger Migration Insights Weekly
Every Wednesday: case studies, vendor reviews, cost-saving strategies & AI migration breakthroughs.
No spam · Unsubscribe anytime