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Recommendations for sanitizing NEW thumb drives	by Twitchh	2014-02-06 05:15:47
Linux LiveCD if your that paranoid	by Freakazoid	2014-02-06 06:42:20
Make sure no writeable media is connected.	by OddParity	2014-02-06 08:54:45
Simplification	by ripley8	2014-02-06 14:07:50
I use the blocksize as in "bs=1024k", "bs=1M" should work too. Actually, giving the blocksize is just a way o speed up the process (a lot) because it makes 'dd' write data in biger chunks than by default (which would be 512 byte, what used to be the standard size of a disk block). Writing bigger chunks is benefical for any kind of flash storage (be it a USB thumb drive, an SD card or an internal SSD) because there are less write operations. If you only write 512 byte per chunk and the drive has bigger blocks in its hardware, then each hardware block would have to be written several times (bear in mind that flash storage behaves physically different than magnetic storage, you can flip bits into one direction easily but to do the other direction the whole block has to be cleared and be rewritten completely), which would wear down the flash storage much more quickly...
[ Reply ]
IOW, Flash cells are like an etch-a-sketch. (n/t)	by kahuana	2014-02-06 16:58:48
In a way, yes they are. (n/t)	by ripley8	2014-02-06 22:44:49

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