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License CII Best Practices

COBOL Programming Course

This project is a set of training materials and labs for COBOL on z/OS. The following books are available within this repository. To get started, follow the steps in their respective READMEs.

If you run into any issues, please don't hesitate to reach out on our Slack channel.


You can connect with the community in a variety of ways...


Pull requests are welcome. For major changes, please open an issue first to discuss what you would like to change.

All contributions must align with the Open Mainframe Project contribution guidelines, including having a DCO signoff on all commits.

For full contribution requirements, please review our guidelines.


This project is openly governed as defined in


The courseware materials were made available through a joint collaboration between IBM, its clients, and American River College and proposed as a new project by IBM.

Video Course Links