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Migrating to the Solaris™ Operating System: The Discipline of UNIX-to-UNIX® Migrations by David Levy, Brian Down, Ken Pepple

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Comparison of Commercial and Derivative Versions of UNIX

As described in the preceding section, because of the common heritage of many of today's operating environments, there are inherently more similarities than differences between versions of UNIX. However, that is not to say that they provide similar functionality or even similar internals. In this section, we investigate some of the specific technical differences you will encounter when migrating between some of the families of UNIX implementations.

UNIX Standards

UNIX implementations diverge in many fundamental and not-so-fundamental ways. This divergence has led to compatibility issues that many people refer to as the “splintering” of UNIX. Variations in the different file systems, networking ...

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