Debug and maintenance tools
Debugging a dump does not always provide all necessary information. Sometimes you can locate a module name but cannot determine its maintenance level.
This chapter describes System Modification Program Extended (SMP/E) as the basic tool for installing and maintaining software in OS/390 or z/OS systems and subsystems. It controls the changes at the element level by:
Selecting the proper levels of elements to be installed from a large number of potential changes
Calling system utility programs to install the changes ...

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