数据还原的软件，很好用的，用的找的就狭义下

filldisk is an utility to optimize filling a media (cd/dvd/others with big files while wasting the minimum amount of space on it. It is an integer binary programming application using a customized branch and bound algorithm which focuses on yes/no

当一个文件正在窗口环境中划除的时候, 只有文件目录数据被移动从 脂肪或 MFT(为 NTFS), 意谓文件数据仍然所有在硬盘磁碟机上的数据部门。 如此，技术上，文件能仍然被回复。-When a file is designated window, except when the environment, only the file directory data is moved from the fat or MFT (for NTFS), means that the file