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13 Chapter 13. Service aids enhancements MVS service aids are a group of tools used to help to detect problems, gather documentation needed to resolve the causes of those problems, and communicate with support locations remote from where materials might have originally been collected. This chapter describes the following service aids enhancements: z/OS Problem Documentation Upload Utility (PDUU) IPCS SYSTRACE enhancement IPCS subcommand DOCPU © Copyright IBM Corp. 2012. All rights reserved. 259