COBOL Course
Master COBOL for real-world mainframe batch jobs. Learn file layouts, JCL, SORT/MERGE, business rules, testing, and production safeguards so you can maintain, optimize, and modernize critical enterprise systems with confidence.

flexible workload from 4 to 360h
valid certificate in your country
What will I learn?
This COBOL Course gives you practical skills to build, run, and maintain reliable batch programs fast. Learn COBOL syntax, PIC clauses, file layouts, and status codes, then apply them to real master, transaction, error, and report files. You practice JCL, SORT/MERGE utilities, debugging, testing, and safe deployment patterns so you can confidently implement complex business rules and high-volume updates in production.
Elevify advantages
Develop skills
- COBOL batch coding: write, update, and validate sequential master files fast.
- JCL job control: define datasets, run COBOL jobs, and manage batch flows.
- Business rules in COBOL: apply transaction logic, balances, and audit trails.
- File layouts and PIC design: model master, transaction, error, and report records.
- Testing and debugging: trace COBOL jobs, tune performance, and deploy safely.
Suggested summary
Before starting, you can change the chapters and workload. Choose which chapter to start with. Add or remove chapters. Increase or decrease the course workload.What our students say
Your classes are perfect. I purchased the one-year package and finally have the chance to follow several topics I'm interested in without needing to switch platforms... I appreciate everything you do, I've already recommended you to others...

Giulio CarloDigital Marketing Student
I like how the lessons are straight to the point and how I can switch chapters and skip content I don't need.

Mariana FerresPhotography Student
I like the content and the way the videos are presented and transcribed, which speeds up the process!

Luciana AlvarengaNail Design Student
The platform is fast and easy to use. The variety of content and the supplementary videos really help with learning.

Giulio CarloPrompt Engineering Student
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