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Unix System Administration Handbook 3RD Editionby Evi Nemeth
When we were writing the first edition of this book in the mid-1980s, we were eager to compare our manuscript with other books about UNIX system administration. To our delight, we could find only three. These days, you have your choice of at least fifty. Here are the features that distinguish our book:
Our four example systems
There have historically been two main flavors of UNIX: one from AT&T (known generically as System V) and one from the University of California, Berkeley (known as BSD). Neither AT&T nor Berkeley is still active in the UNIX marketplace, but the terms "AT&T UNIX" and "Berkeley UNIX" live on.This book covers four different operating systems:
We chose these systems because they are among the most popular and because they illustrate a broad range of approaches to UNIX administration. The first two systems are similar to AT&T UNIX, FreeBSD is a direct descendant of Berkeley UNIX, and Red Hat Linux is something of a mix.
We provide detailed information about each of these example systems for every topic that we discuss. Comments specific to a particular operating system are marked with the manufacturer's logo.
There are many other versions of UNIX. Most fall within the range of variation defined by these four systems, but a few (such as AIX and SCO) are so beautifully strange that they must be taken on their own terms.
The organization of this book
This book is divided into three large chunks: Basic Administration, Networking, and Bunch o' Stuff.
Basic Administration provides a broad overview of UNIX from a system administrator's perspective. The chapters in this section cover most of the facts and techniques needed to run a stand-alone UNIX system.
The Networking section describes the protocols used on UNIX systems and the techniques used to set up, extend, and maintain networks. High-level network software is also covered here. Among the featured topics are the Domain Name System, the Network File System, routing, sendmail, and network management.
Bunch o' Stuff includes a variety of supplemental information. Some chapters discuss optional software packages such as the UNIX printing system (or more accurately, systems ). Others give advice on topics ranging from hardware maintenance to the politics of running a UNIX installation.
In this edition, we're pleased to welcome Adam Boggs, Rob Braun, Dan Crawl, Ned McClain, Lynda McGinley, and Todd Miller as contributing authors. We've turned to them for their deep knowledge in a variety of areas (and also for their ability to function amid the shifting sands of this book and its temperamental parents). Their contributions have greatly enriched the overall content of the book and the collective experience that we're able to share with you.
Please send suggestions, comments, typos, and bug reports to email@example.com. We answer all mail, but please be patient; it is sometimes a few days before one of us is able to respond. To get a copy of our current bug list and other late-breaking information, visit our web site at www.admin.com.
We hope you enjoy this book, and we wish you the best of luck with your adventures in system administration!
Trent R. Hein
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