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Preface
About This Guide
This guide describes Mac OS X Servers command-line
interface tools and commands, including the syntax, purpose,
and parameters, as well as examples of usage and any output
that they generate.
This guide is written for system administrators familiar with administering and
managing servers, storage, and networks.
Beneath the interface of Mac OS X is a core operating system commonly known as
Darwin. Darwin integrates a number of technologies, most importantly Mach 3.0,
operating-system services based on Berkeley Software Distribution (BSD) release 4.4
high-performance networking facilities, and support for multiple integrated file
systems.
Darwin maintains most of the functionality of 4.4BSD commands. While some
commands are modified to function differently, most of the commands are either kept
as is, or their functionality has been extended to support Apple-specific technologies.
This guide focuses on commands developed by Apple to allow administrators to
perform funtions available in the graphical interface from the command line. The guide
also highlights BSD commands that have been modified or extended to support Apple-
specific functionality. Finally, the guide describes important commands commonly
used by UNIX system administrators.
Note: Because Apple frequently releases new versions and updates to its software,
images shown in this book may be different from what you see on your screen.