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IBM Z and z/OS
Bring AI to mission-critical workloads with IBM Z and z/OS
IBM zSystems and z/OS offer a stable, secure, continuously available, and scalable environment for applications running on the mainframe. The z/OS operating system makes full use of the latest IBM Z hardware and its many sophisticated peripheral devices, including compression and encryption accelerator cards.
21 January 2026
Article
High-performance SnapML preprocessing for machine learning on IBM Z
Boost machine learning performance on IBM Z with SnapML preprocessing that uses scikit learn pipelines, optimized C++ execution, efficient data transformations, graph feature engineering, and consistent training to production workflows for accurate and low latency enterprise inference.
26 November 2025
Tutorial
Develop a JMS application for CICS Liberty
Learn how to create an enterprise messaging Java EE application using IBM MQ and deploy it into a CICS Liberty JVM server.
20 October 2025
Tutorial
Generate Java records from COBOL with IBM Developer J2C tools
Use Java data bindings in IBM Developer for z/OS to create Java classes from COBOL data structures.
20 October 2025
Tutorial
Build Java records from COBOL with IBM Record Generator
Automate the generation of Java helper classes from a COBOL copybook using the IBM Record Generator for Java V3.0.
20 October 2025
Tutorial
spring Boot Java applications for CICS, Part 5: JMS
Learn how to use spring Boot's JMS capabilities integrated into a CICS Liberty server, with IBM MQ as the JMS provider.
20 October 2025
Tutorial
spring Boot Java applications for CICS, Part 4: JDBC
Create a Java app that accesses a relational database using spring Boot's approach to JDBC.
20 October 2025
Series
spring Boot Java applications for CICS
Learn how to start using Java and spring Boot in CICS Liberty. spring Boot makes it easy to create standalone, production-grade Java apps that run easily.
20 October 2025
Tutorial
spring Boot Java applications for CICS, Part 3: Transactions
Learn three different ways to achieve transaction management in spring Boot with CICS.
20 October 2025
Tutorial
spring Boot Java applications for CICS, Part 2: Security
Explore three different options for securely deploying a spring Boot application into Liberty running in CICS.
20 October 2025
Tutorial
spring Boot Java applications for CICS, Part 1: JCICS, Gradle, and Maven
Learn how to develop a spring Boot application for CICS using Gradle or Maven, and how to deploy it into a CICS Liberty JVM server.