Chapter 1: Learning the Basics
Overview
The registry has a subtle but important role in Microsoft Windows XP. On one hand, the registry is
passive—it's just a big collection of settings sitting on your hard disk, and you probably don't think
much about it while you're editing a document, browsing the Internet, or searching for a file. On the
other hand, it plays a key role in all those activities. The settings in the registry determine how
Windows XP appears and how it behaves. They even control applications running on your
computer. This gives the registry great potential as a tool for power users or IT professionals,
enabling them to customize settings that aren't available in the user interface.
This chapter introduces the registry to you. First you learn about the registry's role and how it fits
into your world. Then I explain some important terminology to ensure that we're speaking the same
language, and you see how Windows XP organizes the registry. Next you learn about the tools I
use to edit the registry. And last, you see how Windows XP stores the registry on the hard disk.
Throughout this chapter, you'll find several tidbits that are useful beyond the registry. For example,
you learn about the two different architectures for storing numbers in memory, which IT
professionals run into as much outside the registry as inside.
This is all basic information, but don't skip this chapter. Read it once, and you'll be set for the rest of
this book
Overview
The registry has a subtle but important role in Microsoft Windows XP. On one hand, the registry is
passive—it's just a big collection of settings sitting on your hard disk, and you probably don't think
much about it while you're editing a document, browsing the Internet, or searching for a file. On the
other hand, it plays a key role in all those activities. The settings in the registry determine how
Windows XP appears and how it behaves. They even control applications running on your
computer. This gives the registry great potential as a tool for power users or IT professionals,
enabling them to customize settings that aren't available in the user interface.
This chapter introduces the registry to you. First you learn about the registry's role and how it fits
into your world. Then I explain some important terminology to ensure that we're speaking the same
language, and you see how Windows XP organizes the registry. Next you learn about the tools I
use to edit the registry. And last, you see how Windows XP stores the registry on the hard disk.
Throughout this chapter, you'll find several tidbits that are useful beyond the registry. For example,
you learn about the two different architectures for storing numbers in memory, which IT
professionals run into as much outside the registry as inside.
This is all basic information, but don't skip this chapter. Read it once, and you'll be set for the rest of
this book
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