免安裝磁碟重組軟體 - UltraDefrag，是公司可用的免費自由軟體，其重組的速度相當快速，使用微軟的應用程式介面，支援所有微軟的檔案系統（FAT12/FAT16/FAT32/NTFS/UDF），只是圖形介面的設計略嫌陽春，不過，比起同為自由軟體的JkDefrag，至少有人接手開發就是了。(亞歷山大)
UltraDefrag is a powerful Open Source Defragmentation tool for the Windows Platform. It can defragment any system files including registry hives and paging file. Also one of the main goals of UltraDefrag is doing the job as fast and reliable as possible.
關鍵字：UltraDefrag, UltraDefrag Portable
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文章轉載自阿榮福利味
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