PREFACE

Since its inception, UNIX® has been viewed as requiring a certain amount of "magic" to understand it. Nothing could be further from the truth. Like all operating systems , most UNIX commands are simple and easy to use. There are also powerful UNIX commands, to which every user has access, that you will find indispensable once you master them.

That proficiency is, in fact, what I wish to accomplish in this book. Cover all UNIX commands and tools that a new UNIX user needs to know in order to become quickly proficient with UNIX, going from the beginner level of UNIX proficiency to the intermediate level.

Since this is Revision 2 of the book, I have made many improvements based on reader feedback. There were several thousand copies of the original ...

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