硬碟回收或丟掉之前,要先全部填零,方法在這裡。
Quote the message here:
sudo shred -n 2 -z -v /dev/sdc1 where -n 2 is the number of passes, -z overwrites the data with zeroes, -v displays the progress of the operation, and /dev/sdc1 is the partition you are overwriting. HitEnter to begin the process.
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