Why z/OS

IBM® z/OS® delivers security, agile development and high utilization. It maintains application compatibility and runs Linux® on IBM Z® containers on-premises and in hybrid clouds.

Together with IBM z15™, z/OS gives you more performance, data privacy and cyber resiliency.


What’s new

IBMz/OS V2.5

IBM z/OS V2.5 is now generally available and designed to enable innovative development to support hybrid cloud and AI business applications, underpinned by next-level security and resilience.

With a continuous delivery model, new z/OS capabilities are available quarterly with no impact to stability, complexity, or costs. New z/OS V2.5 4Q 2021 capabilities include the following and many others:


Accelerate hybrid cloud

Deploy and manage Linux on Z apps on z/OS platforms

Provision with automated self-service processes

Deploy z/OS resources and services with cloud apps

Alternative enablement of z/OS Container Extensions


Develop applications

Provide Java language and function for z/OS

Run C, C++, COBOL, PL/I Fortran and assembler apps

Generate code without runtime dependencies

Help augment existing IBM Z application stacks

Parse documents with or without validation

Demystify Data with AI


Enable security

Enable extensive encryption of data in-flight and at-rest

Leverage biometrics to strengthen authentication

Encrypt and compress JES2-managed data

Protect data and resources and control permissions

Safeguard data dumps and protect data from vendors

Scan for vulnerabilities and remediate


Gain ease of use

Manage z/OS systems with a web-based interface

Simplify software installation and set-up

Automate workflows and Cloud Provisioning and Management assets

Simplify software maintenance

Simplify your upgrade to z/OS


Improve performance

Minimize disruptions and accelerate recovery

Respond to planned events by changing LPAR capacity

Report on nearly all aspects of z/OS performance

Summarize OS, middleware or workload activities

Define workload importance and performance goals


Manage systems

Build and deploy networking apps on z/OS

Configure processor’s channel subsystem and OS

Use a PC-based interface to HCD

Bring managed storage to a distributed network

Monitor and manage sysplex in JES2


Manage storage

Sort, merge, copy, analyze and report

Manage storage, data and devices

Manage data for copying and space reclamation

Get policy-based availability and management

Manage removable media as enterprise-wide library

Simplify data archiving with transparent cloud tiering (TCT)

Hear from customers

ICBC Data Center

“z/OSMF is a key component of our operating system rather than an independent product.”

NCFB

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

Wüstenrot

Cut dev costs with Z Container Pricing and empower developers with RESTful APIs.


Featured resources

New communities

Participate to collaborate and learn from experts.

Flexible pricing

See how enterprise consumption and capacity solutions offer flexibility and savings.

Service test, container registry and service updates