# Page Not Found

The URL `chapter-2-foundational-technology/brief-introduction-to-z-os` does not exist.

You might be looking for one of these pages:
- [Brief Introduction to z/OS](https://open-mainframe-project.gitbook.io/mainframe-open-education-project/chapter-2-mainframe-101-foundational-technology/brief-introduction-to-z-os.md)
- [Data Sets and How They Work](https://open-mainframe-project.gitbook.io/mainframe-open-education-project/chapter-2-mainframe-101-foundational-technology/data-sets-and-how-they-work.md)
- [Modern Application Management](https://open-mainframe-project.gitbook.io/mainframe-open-education-project/chapter-2-mainframe-101-foundational-technology/modern-application-management.md)
- [Video: MVS Using Dynamic Allocations](https://open-mainframe-project.gitbook.io/mainframe-open-education-project/chapter-2-mainframe-101-foundational-technology/video-mvs-using-dynamic-allocations.md)
- [TSO/E, ISPF, and UNIX System Services (USS): Interactive facilities of z/OS](https://open-mainframe-project.gitbook.io/mainframe-open-education-project/chapter-2-mainframe-101-foundational-technology/tso-e-ispf-and-unix-system-services-uss-interactive-facilities-of-z-os.md)

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