Chapter 22. Using Debug Tool Coverage Utility 437
22.4.3 UNIX System Services
Programs running in a USS environment are not supported. These programs are always
reentrant and are loaded in read-only storage.
22.5 Installation
Apart of the normal installation of DTCU, system programmers must do some further
post-installation consisting out of:
Installation of SVCs
Defining specific run-time modules as APF authorized
22.5.1 Systems programmer notes
The following post-installation information is provided for for systems programmers.
Post installation information
After Debug Tool is received, system programmers should refer to Debug Tool for z/OS and
OS/390 V3R1 Customization Guide, SC18-7174. This contains a complete explanation of the
system requirements and detailed installation procedures for DTCU.
438 Using IBM Application Development Tools for z/OS and OS/390
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