Optimize and modernize your critical applications
IBM Enterprise COBOL for z/OS® is a premier enterprise-class COBOL compiler for IBM z/OS. It enables the modernization of business-critical applications, enhances programmer productivity with advanced programming features and maximizes the benefits of transactional and data systems such as IBM CICS®, IBM IMS and IBM Db2®.
Reduce CPU utilization and operational costs with advanced compiler optimizations that fully exploit the latest IBM Z® hardware.
Extend COBOL applications seamlessly to support web, cloud and mobile environments while maintaining stability and reliability.
Retain compatibility with earlier COBOL compilers, minimizing risk and eliminating the need for full application recompilation.
Enhance programming efficiency with modern development tools, simplified debugging and built-in support for JSON, XML and Java® interoperability.
Features
Frequently asked questions
IBM Enterprise COBOL for z/OS normally ships a fix pack (or PTF) every two months. Check out the fixes and new functions delivered with each fix pack at the following link.
The "What's new" section of the documentation provides and executive overview of new and improved features in each COBOL version.
Visit the IBM Software lifecycle website to check the lifecycle dates, announcement letters, and other information for each COBOL version.
Yes, the downloadable PDFs and JAR (Java Archive) formats are available in the COBOL documentation library.
Explore the new product - IBM COBOL Upgrade Advisor for z/OS.
IBM COBOL Upgrade Advisor for z/OS accelerates and simplifies the upgrade to IBM Enterprise COBOL for z/OS 6 with analysis and reporting in a modern Visual Studio Code interface. CUAZ helps enterprises modernize COBOL applications, reduce upgrade complexity, and stay current with supported compilers while optimizing performance on IBM Z hardware.
You can visit and download the performance tuning guide for each COBOL version.
Z Code Optimization Advice is a tool that provides detailed guidance on optimizing COBOL programs for the best performance on IBM z/OS. It can assist you in your modernization journey, help you optimize your existing code base, and ensure ongoing performance excellence for new code.
IBM Automatic Binary Optimizer (ABO) for z/OS improves COBOL program performance without recompiling the source code. It optimizes binary code, preserving program logic and compatibility.
The following resources may help you expand your learning. Use your IBMid (or create a new one) to access the Introduction to COBOL with Visual Studio Code (VS Code).
Available through Shopz by searching 5697-V61 or contacting an IBM Z representative.