磁盘自由空间粉碎机DiskRandomFill：

通过在指定目录下打开文件追加随机数据直到硬盘空间写满为止，已达到覆盖已删除文件内容的目的。- DiskRandomFill.c

　 To fill the disk with random data until the disk is full or manually interupted by the user.

　 Note that the program will open a file "tmpName=Whatitis.txt" and append it with "bufferLen=BUFFER_SIZE" random bytes.

　 And the user can change the target filename by "-[F|f]" option and set bufferLen by "-[L|l]" option.



or:

Usage:

1:　<DiskRandomFill> only with default setup　

2:　<DiskRandomFill> <-ftmpName>

　　 <DiskRandomFill> <-f tmpName>

　　 To set tmpName

3:　<DiskRandomFill> <-LtmpName>

　　 <DiskRandomFill> <-L tmpName>

　　 To set bufferLe

Also note that the-f and-L options can be append in the command line, and for multiple-f and-L options only the first one is valued.