我对终端和 Linux 很陌生。我有一个崩溃的外部硬盘驱动器正在旋转但不会出现在桌面上。我safecopy从终端跑了，这是最后说的
Description of output:
. : Between 1 and 1024 blocks successfully read.
_ : Read of block was incomplete. (possibly end of file)
The blocksize is now reduced to read the rest.
|/| : Seek failed, source can only be read sequentially.
> : Read failed, reducing blocksize to read partial data.
! : A low level error on read attempt of smallest allowed size
leads to a retry attempt.
[xx](+yy){ : Current block and …