What about shred(1)?
Posted Oct 14, 2011 2:41 UTC (Fri) by zlynx
In reply to: What about shred(1)?
Parent article: Securely deleting files from ext4 filesystems
An SSD might not securely delete the contents when requested.
On the other hand, it will almost certainly not delete the data if you attempt to delete by overwriting, because of wear leveling.
So going with secure delete/TRIM which will probably work, against overwriting which will probably not work, the choice is clear.
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