Optimize and modernize PL/I applications on IBM z/OS systems

IBM® Enterprise PL/I for z/OS® is a software development environment for building and maintaining PL/I applications on IBM z/OS operating systems. This enterprise solution allows you to incorporate modern web technology, such as web services, XML and Java into your existing PL/I applications.

Enterprise PL/I for z/OS allows you to capitalize on existing IT investments while modernizing your infrastructure.

Powerful development features

Application modernization

Middleware support

Integration and collaboration tools

Enterprise PL/I for z/OS resources

Enterprise PL/I for z/OS

Optimize and modernize PL/I applications on IBM z/OS systems

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Always up-to-date system requirement reports can be dynamically generated using the Software Product Compatibility Reports (SPCR) tool.

For your convenience, the tabs below identify the supported releases of Enterprise PL/I for z/OS from which you can select detailed system requirement reports for different contexts (by Operating System, by component). Note that clicking a link will always generate a new, up-to-date report.

Tab navigation

4.5 Release

4.4 Release

4.3 Release

4.2 Release

4.1 Release

IBM® Enterprise PL/I for z/OS provides the essential tools for creating and maintaining mission-critical PL/I applications for execution on z/OS® systems. It is designed for interoperability with CICS®, DB2®, IMS™, and other transactional and data systems.

Enterprise PL/I for z/OS V4.5 enhancements include:


Increased performance

Improved middleware support

Modernization advancements and usability enhancements



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