> For the complete documentation index, see [llms.txt](https://open-mainframe-project.gitbook.io/mainframe-open-education-project/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://open-mainframe-project.gitbook.io/mainframe-open-education-project/chapter-2-mainframe-101-foundational-technology/brief-introduction-to-z-os.md).

# Brief Introduction to z/OS

Here is a brief introduction to What is z/OS

{% embed url="<https://www.techtarget.com/searchdatacenter/definition/z-OS>" %}

Dr. Philipp Brune gave a detailed elaboration about what is z/OS and how it works

{% embed url="<https://www.youtube.com/watch?v=HISM5intBoU>" %}

In this video, you will learn about the hardware in a typical z/OS Data Center.

{% embed url="<https://youtu.be/DilJtd9wDpI>" %}

To get a comprehensive understanding on z/OS, we strongly recommend you take the IBM Redbooks z/OS Introduction course:

{% embed url="<https://www.redbooks.ibm.com/abstracts/crse0304.html>" %}


---

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