20 years of Linux on Z, 5 years of IBM LinuxONE and 1 year of Red Hat® OpenShift® on Z and LinuxONE

Why Linux on the IBM Z mainframe?

The Linux operating system benefits from the IBM mainframe’s capabilities and strengths. With Linux on the new IBM z15 and LinuxONE III, you can transform your application and data portfolio with innovative data privacysecurity, and cyber resiliency capabilities – all delivered through a hybrid cloud.

Open source software and tested platforms

Open source software

Run open source software on IBM Z® and LinuxONE for optimal security, performance and scalability.

Tested platforms

Use IBM-tested and certified Linux platforms of distribution partners such as Red Hat, SUSE and Canonical (Ubuntu).

See what’s new

Red Hat® OpenShift® and IBM Cloud Paks™

Now you can develop and deploy cloud native applications faster and more effectively on IBM Z and LinuxONE.

Hear from customers

TES Enterprise Solutions

Red Hat OpenShift support significantly increases options for cloud integration.


Delivers fast, personalized customer services at scale with cutting-edge IBM technology.

Supreme Court of Virginia

Higher performance with fewer compute resources.

IBM live virtual classes

Learn about Linux on Z, z/VM, IBM Wave for z/VM, KVM on Z and more.

IBM training for Linux and z/VM

IBM training and skills

Get training in your preferred format through the IBM Skills Gateway.

IBM Systems Lab Services

Consultants with proven expertise can help you design and deliver Linux, z/VM, and KVM infrastructure solutions.

IBM Technology Support Services (TSS)

Skilled Linux support specialists offer how-to, usage, installation, compatibility and troubleshooting support.

IBM open source support

Our Linux distribution partners provide support for their distributions.

You may also be interested in

Linux processors

Learn about this dedicated Linux processor.

IBM Cloud Paks™

A faster, more reliable way to modernize and move to the cloud.