Take your business to the next level

IBM z/OS® brings the computing power and resources of the IBM zSystems™ platform to help you drive business transformation and accelerate innovation. Get the stable, secure environment your organization requires to improve performance for mission-critical workloads and meet future challenges.

Preview: z/OS 3.1
The next version of z/OS intends to be an AI-infused, hybrid cloud operating system built for the next generation of computing. With new and enhanced features created collaboratively with key enterprises, z/OS 3.1 is designed to be a resilient, secure, and simplified platform for the future of industry’s most critical workloads. 

IBM z/OS V2.5: Driving Your Enterprise IT Organization’s Hybrid Cloud and AI Strategy

IBM z/OS V2.5: Driving Your Enterprise IT Organization’s Hybrid Cloud and AI Strategy (3:06)


Accelerate hybrid cloud

Achieve rapid application development and provisioning for hybrid cloud deployment.

Gain ease of use

Simplified and modern experience for easier installation, management and use of z/OS with no special skills required.

Enable security and resilience

Build competitive advantage with cyber security solutions that help maintain exceptionally resilient environments.

Featured capabilities

Simplified management

Improve z/OS programmer productivity with a web-based interface and streamlined, automated tasks.

Upgrade workflows

Enable and drive innovative development to support new hybrid cloud and AI business applications.

Linux integration

Integrate popular open-source packages, Linux applications, IBM software and third-party software.

Cloud provisioning

Easily create software service templates that provision IBM middleware for additional functionality.

JSON databases

Easily create and access JSON databases through a comprehensive set of C-based APIs.

Management services

Deploy services that streamline management tasks and apply best practices and internal standards.

Faster recovery

Restore services and recover workloads substantially faster with zero increase in licensing costs. 

IT resilience

Rapidly adapt and respond to disruptions or threats, and continue operations without significant impact.

Pervasive encryption

Enable extensive encryption of data in-flight and at-rest to safeguard data and achieve compliance.

Simplified data archiving

Use serverless data movement and storage cloud communication to simplify data archiving in the cloud.

Server communications

Run multiple copies of z/OS as a single image, so you can manage multiple systems and resources from a single point of control.

Supporting capabilities

Workflow automation

Orchestrate configuration management, application deployment and provisioning IT tasks on z/OS.

Container images

Download open-source, no-cost container images that can run in Linux and zCX environments of z/OS.


Jumpstart or accelerate application modernization and take a standardized approach to IT automation.

Get training

Have a question? Get answers to your z/OS questions from our team of experts.