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Introduction to the New Mainframe: IBM z/VSE Basics by Martin Walbruehl, Joerg Schmidbauer, Ingolf Salm, Bill Ogden, Wayne O'Brien, Wilhelm Mild, Marco Kroll, Jerry Johnston, Helmut Hellner, Hans Joachim Ebert, Wolfgang Bosch, Mike Ebbers

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Utility programs
There is no specific definition of what constitutes a IBM z/Virtual Storage Extended (IBM z/VSE) utility program today, but common usage includes only a few z/VSE-provided programs as utilities. The UNIX community, by contrast, considers many of the standard commands as utilities. This includes compilers, backup programs, filters, and many other types of programs. To the z/VSE community, these are applications or programs, not utilities. The difference is simply one of terminology, but it can be confusing to new z/VSE users.

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