⑴UltraDefrag是强大的开源磁盘碎片整理软件，适用于NT内核的Windows。目前还不支持NT .。UltraDefrag磁盘碎片整理软件使用内核模式驱动程序，因此它的引擎是非常快，很简约；没有皮肤没有本地化设置没有动画.。它很小却很强大！它可以运行在Windows ，Windows XP 以及Windows Server 之上。
⑵UltraDefrag(磁盘碎片整理软件).. 更新日志:
⑶UltraDefrag RC: - history of typed mands added to the boot time interactive mode; navigation is possible by arrow keys, 'history' mand can be used to list all typed mands - call, man and type mands added to the boot time shell - echo, exit, pause and set mands of the boot time shell improved - clearing of the failed boot flag added for reboot and shutdown at boot time - pending boot-off boot time script mand support added, this removes the limitation of boot-on/off not working before reboot/shutdown - interactive mode at boot time now displays help split into pages - escape key handling added to break the boot time script execution - boot time mands parsing was rewritten to increase reliability and flexibility of the boot time shell - corrected cluttered progress display if console output was redirected - optimized timeout for waiting for a keyboard event in boot time interface - the following translations were updated: UltraDefrag Portuguese, Chinese (Traditional) - FAT formatted volumes are displayed in GUI now as FAT/FAT/FAT instead of less informative FAT/FAT - winx_heap_alloc replaced by winx_heap_alloc_ex to allow specifying flags - winx_heap_alloc_zero added to allow allocating memory initialized with zero - winx_ftw, winx_scan_disk, winx_fsize, winx_kb_read, winx_xtime, winx_prompt_ex, winx_get_file_contents, winx_release_file_contents, winx_wcsistr, winx_print_array_of_strings, winx_get_volume_information, calls were added to zenwinx library - winx_fbopen call added to zenwinx library for buffered file i/o support - obsolete winx_get_volume_size and winx_get_filesystem_name calls were removed from zenwinx library; use more mon winx_get_volume_information instead - one little bug in winx_kbhit, winx_breakhit functions was fixed - udefrag_get_vollist and udefrag_release_vollist calls were added to udefrag library; an obsolete udefrag_get_avail_volumes was removed UltraDefrag RC: - partial defragmentation was added to decrease number of fragments even when there is no free space on disk to hold all fragments of the file together - volume optimization algorithm was improved to prevent useless additional optimization passes - one little bug preventing optimization from being stopped was fixed in driver - volume optimization algorithm was improved to prevent skipping heavily fragmented parts of the processed volume - progress is now added to the GUI window caption, so it is displayed in the tool-tip of the task-bar icon - cryptic single character progress label was replaced by the localized operation names - file system type detection was rewritten to be more reliable and detect UDF-formatted volumes properly - fixed a problem where the case of the names of the help pages launched from the configuration dialog did not match - fixed a problem, where .lua files would get executed instead of edited, if "Lua for Windows" was installed - seconds delay is skipped on boot time scan, if only one keyboard is present - added language selector to the GUI package - Hindi translation was added - the following translations were updated: Croatian, Danish, Dutch, French, Greek, Polish, Russian, Serbian, Swedish, Turkish