this post was submitted on 09 Aug 2023
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I use Arch btw
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-rmeans delete recursively.rmwill by default only remove files, but with this flag, it'll also delete all the folders, subfolders, and the files in those.--no-preserve-rootdisables a security check. A few years ago, this flag didn't exist. If you ranrm -r /, everything on your system would be deleted, provided the user had permissions. Now,/is treated specially andrmwill refuse to perform a recursive delete on it without the--no-preserve-rootflag.-fmeans force and disables any prompts.rm -rf --no-preserve-root /would delete every file on your system.Thank you! That’s funny and horrifying, as a complete newbie.
I installed Ubuntu on a spare computer a few weeks ago just to rm -rf / it. It was quite fun seeing the os slowly killing itself :)
You should try dd if=/dev/random of=/dev/sda some time :P
Should I ask what it does before or after I use it? :)
Fills the hard drive with randomly-generated garbage.
Specifically, most likely the OS hard drive, since that's usually sda