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| Preface |

## What's New in the Fourth Edition

UNIX keeps evolving; this book changes with it. Although most of the tips in this book work on all UNIX systems - old and new - there have been changes since 1993 that justify a fourth edition. A major change is the emergence of Linux as a very popular version of UNIX. Linux has some unique features that even beginners will appreciate. We've also made changes suggested by our readers.

What This Handbook Covers |  | Format