1 Chapter 1. Executive summary This chapter provides a high-level description of IBM z/OS Problem Determination and Deployment Tools, which include: Application Performance Analyzer for z/OS Debug Tool for z/OS and Debug Tool Utilities and Advanced Functions Fault Analyzer for z/OS File Manager for z/OS File Export for z/OS Workload Simulator for z/OS and OS/390 Hereafter these products are referred to as: Application Performance Analyzer (APA) Debug Tool (DT) and Debug Tool Utilities and Advanced Functions (DTU&AF) Fault Analyzer (FA) File Manager (FM) File Export (FE) Workload Simulator (WSim) Your IT staff faces increasing pressure to deliver function-rich applications quickly to meet your company's business objectives. Whether designed to perform routine or critical tasks, the underlying code that drives today's applications can be highly complex. Programmers have to minimize errors while working quickly to meet demand -- even adapting code quickly as your business needs change. To effectively build and service applications, developers need robust, easy-to-use tools to compile, test, and debug their applications. IBM z/OS Problem Determination and Deployment Tools help them face these challenges. © Copyright IBM Corp. 2006. All rights reserved. 3