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Making files contiguous so that they can be read without unnecessary seeking. In Windows 2000 and later operating systems, Microsoft Drive Optimizer has the following limitations: It does not defragment files residing in the Recycle Bin or files that are in use. [7] In particular, this includes the registry, page file and hibernation file.
Supported file systems Supported platforms GUI CLI Script Scheduler Boot time Auto defrag when idle Stable release; Auslogics Disk Defrag Auslogics Freeware: FAT16, FAT32, NTFS Windows XP and later Yes Yes Yes Yes Yes 10.2.0.1 (Free), 4.11.0.7 (Ultimate) (January 26, 2022 () (Free), March 3, 2020 () (Ultimate)) AVG PC TuneUp
To defragment a disk, defragmentation software (also known as a "defragmenter") can only move files around within the free space available. This is an intensive operation and cannot be performed on a filesystem with little or no free space.
UltraDefrag is a disk defragmentation utility for Microsoft Windows.Prior to version 8.0.0 it was released under the GNU General Public License.The only other Windows-based defragmentation utility licensed under the GNU GPL was JkDefrag, discontinued in 2008.
File segmentation, also called related-file fragmentation, or application-level (file) fragmentation, refers to the lack of locality of reference (within the storing medium) between related files. Unlike the previous two types of fragmentation, file scattering is a much more vague concept, as it heavily depends on the access pattern of specific ...
The standard Windows "Disk Defragmenter" is based on a subset of a competing, now-discontinued product named Diskeeper. [10]For those seeking additional features, PerfectDisk and the full-feature Diskeeper are among their options; these are intended for high-end users, and feature optimizing the placement of "system files and free space."
The aim of any defragger is to reduce or eliminate file fragmentation, and thereby improve the performance of the file system. Vopt achieves this by means of the following features: Fast defragmentation algorithm [5] when compared to the Windows Defragmenter [6] Optionally cleans up cookies, internet cache, temporary files and recycle bin ...
Along with defragmentation, UltimateDefrag performs consolidation of both disk space and files within folders, arrangement of files by volatility (most often used files) or recency (most recently used files), and analysis of the disk. In addition, UltimateDefrag has the ability to defragment files based on manually entered wildcard expressions. [4]