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This article describes the Defrag.exe command line utility that is included with Windows XP. The Defrag.exe command line utility is specifically designed for scripting and for use by system administrators. To defragment a volume using Windows, follow these steps:
(https://support.microsoft.com/kb/314848/EN-US/ )How to Defragment Your Disk Drive Volumes in Windows XP
The Defrag.exe command line utility locates and consolidates fragmented boot files, data files, and folders on local volumes.
When you are saving files, the file is not necessarily saved as an entire file or folder in a contiguous space. The files are saved in the first available space on a volume. After a large portion of the volume has been used for file and folder storage, most of the new files are saved in pieces across the volume. When you delete files or folders, the empty spaces left behind fill in randomly as you store new ones.
You can find the Defrag utility, Defrag.exe, in the %SystemRoot%\System32 folder. You can defragment disk volumes formatted as FAT, FAT32, and NTFS. Defrag also works with Dynamic as well as Basic Disks.
Command Line Parameters and Explanations
Usagedefrag volume [-a] [-f][-v] [-?]
The drive letter or a mount point of the volume to be defragmented
Forces defragmentation of the volume regardless of whether it needs to be defragmented or even if free space is low
Display the help text
Note: The volume must have at least 15 percent free space for Defrag to completely and adequately defragment it. Defrag uses this space as a sorting area for file fragments. If a volume has less than 15 percent free space, Defrag only partially defragments it.
To interrupt the defragmentation process, at the command line, press CTRL+C.
Artikkelin tunnus: 283080 - Viimeisin tarkistus: 27. tammikuuta 2006 - Versio: 2.4