From HowToGeek

The Disk Defragmenter utility places files on the hard drive in contiguous order. After time files get scattered in different sections on the hard drive and can take longer to access. Defragmenting allows faster access to these files.

Contents 1 Overview 2 Commercial Applications 3 Related How-To Geek Articles 4 See Also

Overview

The process of defragmenting a hard drive is taking noncontiguous files and arranging them into contiguous order. This utility is accessed by typing "defrag" (without the quotes) into the search field in the Vista Start Menu. Unlike Windows XP the Vista version of Defrag allows regular scheduled defrags of your hard disk. This feature is enabled by default. Defragmenting places all of your application, utility, and OS files in contiguous order for faster access. Disk Defragmenter in Windows Vista allows regular scheduled defrag sessions.

Commercial Applications

Diskeeper

Diskeeper is one of the more popular disk defragmenting programs on the market with over 30 million licenses sold. This utility allows for automatic defragmentation which corrects fragments as they occur. A technology used is InvisiTasking which claims to cause zero resource conflicts with other systems using PC hardware.

Related How-To Geek Articles

• Schedule Disk Defragmenter In Vista
• Defrag Multiple Hard Drives At Once
• Add Defragment To The Right Click Menu For A Drive

See Also

• Defrag Faster With Auslogics Defrag
• Defragment Your System Files Pagefile and Registry in Windows XP

List of Windows Components v
Features	Windows Aero - System Restore - Previous Versions - SuperFetch - User Account Control (UAC) - Offline Files - ReadyDrive - Instant Search - Windows Sidebar - Parental Controls - Speech Recognition - ClearType - DirectX 10 - ReadyBoost - BitLocker - Flip3D - Remote Desktop - Search Folders - Tablet PC - Windows SideShow
Services	Task Scheduler - Desktop Window Manager - Application Experience - Application Host Helper Service - Application Information - Application Layer Gateway Service - Application Management - Background Intelligent Transfer Service - Base Filtering Engine - Block Level Backup Engine Service - Certificate Propagation - COM+ Event System - Computer Browser - DHCPClient
Applications	Notepad - Windows Mail - Internet Explorer - Command Prompt (Cmd.exe) - Windows Calendar - Mobility Center - Task Manager - Photo Gallery - Windows Media Center - Windows Media Player - Wordpad - Windows Sidebar - Snipping Tool - Windows Contacts - Device Manager - Disk Defragmenter - Event Viewer - Fax and Scan - Windows Journal - Windows Meeting Space - Windows DVD Maker - Windows Easy Transfer
Security	User Account Control (UAC) - Windows Defender - Windows Firewall
Admin Tools	Control Panel - Device Manager - Microsoft Management Console (MMC)