Shredding data with Shred

Shred – allows you to overwrite the specified file with random data in order to ensure, if necessary, the more difficult process of recovery or the impossibility of data recovery.
On some file systems, data deletion is not guaranteed and the use of shred may not be effective.

The list of possible arguments:
Help program:

man shred

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How to format UDF Volume in Ubuntu

I recently wanted to format the USB flash drive in the Ubuntu operating system, but since it was in UDF format, formatting was refused and many programs did not see it as a flash drive.

To begin with, let’s look at the discs:

sudo fdisk -lu

Then the solution was to execute the following command:

sudo shred -vzn 0 /dev/sdc

After that, the flash drive can be formatted by any program.