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Defraggler can defragment individual files, groups of files (in a folder) or an entire disk partition, either by the user's command or automatically on a schedule. It supports FAT32, NTFS, and exFAT. [4] It can also be installed as a portable application on a USB flash drive.
FAT32, NTFS, exFAT, ReFS [2] Windows XP and later Yes Yes No Yes, with Windows Task Scheduler [b] Yes Yes, with Windows Task Scheduler [a] 2.22.995 [4] (May 2, 2018 (Drive Optimizer (formerly Disk Defragmenter) Microsoft: Bundled with Microsoft Windows: FAT16, FAT32, NTFS, ReFS Windows 2000 and later; Windows 95 and later Yes Yes Yes
The loadable USBEXFAT driver requires Panasonic's USB stack for DOS and only works with USB storage devices; the open-source EXFAT executable is an exFAT file-system reader and requires the HX DOS extender to work. [75] There are no native exFAT real-mode DOS drivers, which would allow usage of, or booting from, exFAT volumes.
exFAT is a file system introduced with Windows Embedded CE 6.0 in November 2006 and brought to the Windows NT family with Vista Service Pack 1 and Windows XP Service Pack 3 (or separate installation of Windows XP Update KB955704). It is loosely based on the File Allocation Table architecture, but incompatible, proprietary and protected by patents.
A block, a contiguous number of bytes, is the minimum unit of storage that is read from and written to a disk by a disk driver.The earliest disk drives had fixed block sizes (e.g. the IBM 350 disk storage unit (of the late 1950s) block size was 100 six-bit characters) but starting with the 1301 [8] IBM marketed subsystems that featured variable block sizes: a particular track could have blocks ...
The command line utility, Defrag.exe, offers more control over the defragmentation process, such as performing a full defragmentation by consolidating all file fragments regardless of size. [14] This utility can be used to defragment specific volumes or to just analyze volumes as the defragmenter would in Windows XP.
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exFAT – Microsoft proprietary system intended for flash cards (see also XCFiles, an exFAT implementation for Wind River VxWorks and other embedded operating systems). ExtremeFFS – internal filesystem for SSDs. F2FS – Flash-Friendly File System. An open source Linux file system introduced by Samsung in 2012. [13]