==== Wipe a disk entirely (for privacy) using shred ====

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In case you want to sell a hard-drive, or just use it in other system and don't want it to have possible recoverable sensitive data, you may execute this command:

<code bash>
shred -vfz /dev/sde
</code>

Source: https://www.freecodecamp.org/news/securely-erasing-a-disk-and-file-using-linux-command-shred/