UltraDefrag is a powerful, open source defragmentation tool for Windows. It?s engine is very fast, because it is created as a kernel-mode driver.
There are three interfaces to them: graphical, console and native. The first is very useful, because it uses cluster map visualization. Console is good for task scheduler, and native tool – for advanced users and programmers.
UltraDefrag?s design is very ergonomic: no skins, no localization, no animation and so on. It?s a truely small and powerful program!
It can be used on Windows 2000, Windows XP, Windows Server 2003 and Windows Vista. NT 4.0 support is currently unavailable.
Features:
- very fast defragmentation, because engine is kernel mode driver and has optimal algorithm.
- very small engine written in pure C language.
- nice graphical interface – compact and comfortable.
- safety, because file moving is realized with special system calls.
- simple to use.
- generate html reports.
- has useful filters.
- free: distributed with full source code under the GNU General Public License.
New Features in version 3.3.0:
- volume optimization algorithm was highly improved
- fragments threshold filter parameter was added
- UD_TIME_LIMIT option was added
- portable version was highly improved
- few little bugs were fixed
- now the program is much more compatible with Vista and later versions
of Windows; this is achieved by adding the User Mode Driver to it - program’s reliability increased by removing error handlers caused
infinite loops - now the program can be used in Windows Safe Mode when the user mode
driver is enabled - since this version native 64-bit binaries aren’t available
due to the C compilers internal bugs (Windows DDK, Windows SDK, Pelles C,
MinGW x64 were tested); portable UltraDefrag can be used now on all of the
64-bit systems instead of the native 64-bit packages - NOTE FOR PROGRAMMERS: to successfully compile the user mode driver run
configure.lua script, check ‘Apply patch to MinGW’ box and click OK
once again
Details
Name : UltraDefrag 3.3.0
OS : Win 2000/XP/2003/Vista/7
File Size : 707KB
Publisher : Visit Website
Download : Download Link



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