this post was submitted on 20 Jan 2025
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Linux
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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).
Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.
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dd if=/dev/zero of=/dev/disk
I’d recommend /dev/urandom instead of /dev/zero
Use shred , it will automate multiple random passes, and finish with a zero pass.
Completely unnecessary. Overwriting the whole drive with zeros completely stops anyone from being able to recover anything
It won't stop "anyone", I've been lead to believe there are ways even after a single pass, to recover data. if I had anything to hide, I would use a physical destruction method, nothing else
If you're that paranoid about it, then just physically destroy the drive.
I work for an it department who resells their old stock online, we scrub the disks before sales, physical destruction is not possible.
That's the companies decision and they should understand the risks.
This is a miss understanding. Deleting it doesn't actually delete the data, just the meta data. Overwrite it and it's gone forever
Yeh, you're right
This is what I was gonna say