Build Strings with { } by Jerry Peek -- Save typing by expanding strings at the shell prompt. Learn hot to use the {} pattern-expansion characters in this excerpt from Unix Power Tools, 2nd Edition.

Using and Customizing Knoppix by Robert Bernier -- Several Linux distributions boot directly from CD-ROMs. How many are usable in that state? How many are customizable in that state? Klaus Knopper's Knoppix is perhaps the best known of these distributions. Robert Bernier explains how to use Knoppix and how to customize your own self-booting distribution CD.

Variable Manipulation and Output by John Coggeshall -- John Coggeshall covers basic variable manipulation and output, including math operators and strings.

Basic PHP Syntax by John Coggeshall -- John Coggeshall covers basic PHP syntax, including variable usage, variable types, and how to print variables to the web browser.

Introduction to Socket Programming with PHP by Daniel Solin -- Daniel Solin uses a game analogy to show how PHP can be used to exchange data between two computers using network sockets.

Introduction to Socket Programming with PHP by Daniel Solin -- Daniel Solin uses a game analogy to show how PHP can be used to exchange data between two computers using network sockets.