Videos Debug non-Optimized and optimized COBOL Programs Learn how to debug non-optimized and ABO-optimized COBOL modules using IBM® Debug for z/OS®. Watch the video (21:51) The 6 W's of the IBM Automatic Binary Optimizer for z/OS See how ABO can help you lower operational costs and boost performance of your business-critical applications without the need to recompile. Watch the video (1:04:19) Other resources Announcement: IBM Automatic Binary Optimizer for z/OS, V2.1 IBM Automatic Binary Optimizer for z/OS, V2.1 delivers additional performance improvements and introduces sub-capacity pricing. Read the documentation Documentation library for IBM Automatic Binary Optimizer for z/OS Explores a collection of in-depth information for ABO. Browse the resource library Fix list and new features for IBM Automatic Binary Optimizer for z/OS See a complete list of the latest releases, refreshes, fix packs and interim fixes sorted by version. Read the documentation Recent content for IBM Automatic Binary Optimizer for z/OS Find the latest PTFs, fix lists, and new features for ABO. Read the documentation Lifecycle for IBM Automatic Binary Optimizer for z/OS products Understand the full value of your ABO products and plan for upgrades. Effectively plan your software investment and avoid any gaps in support. View lifecycle dates Doc Buddy A mobile content portal to search ABO documentation and messages and stay informed of ABO updates. Download the app Expert resources to help you succeed IBM Knowledge Center Complimentary, step-by-step guides for download and mobile. Support Learn more about product support options. Community Explore a collection of in-depth information for this product.