一个免费的基于GNU General Public License的Windows磁盘整理和优化软件，支持Windows 2000/2003/XP/Vista/X64。多国语言版，含简体中文。
全自动并非常易于实用，并支持USB磁盘和存储卡的整理，它利用微软的标准磁盘整理API制作，整理磁盘彻底，对NTFS的兼容性好并且不损害数据。
Free (released under the GNU General Public License) disk defragment and optimize utility for Windows 2000/2003/XP/Vista/X64. Completely automatic and very easy to use, fast, low overhead, with several optimization strategies, and can handle floppies and USB disks/sticks. Included are a Windows version, a commandline version (for scheduling by the task scheduler or for use from administrator scripts), a screensaver version, a DLL library (for use from programming languages), and versions for Windows X64.
JkDefrag GUI v0.94 - Changes:
- Fixed bug not working on Windows Vista when User Account Control (UAC) is active
JkDefrag v3.26 - Changes:
- Undo of one of the changes from v3.25 in the graphics code, screensaver only. The changes worked fine for the Windows version, but showed a completely black screen in the screensaver....
更新：
http://www.kessels.com/forum/viewtopic.php?t=590
官网：
http://www.kessels.com/JkDefrag/index.html；
http://www.emro.nl/freeware/
JkDefrag v3.26 官方下载：(Free~)
for Windows 2000/2003/XP/Vista: 下载文件
点击这里下载文件
for Windows X64: 下载文件
点击这里下载文件
JkDefrag v3.26 sources (255kb) for Microsoft Visual C++ 2005：
下载文件
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JkDefrag GUI v0.94 官方下载：(Free~)
下载文件
点击这里下载文件
for U3: 下载文件
点击这里下载文件
for BartPE/XPE: 下载文件
点击这里下载文件
