NEVER run a command you don't know the purpose of. That being said, "sfc" stands for "System File Checker." It is a utility that can help restore corrupted windows files. sfc /scannow checks your protected files and restores corrupted files from a local cache. The process can take some time and you MUST let it finish it's entirely.

In conclusion, this command is generally safe to run.

[–] Aquila@sh.itjust.works 35 points 4 weeks ago (3 children)

Rm stands for remove

-fr stands for the French language

/ stands for your entire system

Don’t trust random internet strangers either

[–] Barzaria@lemmy.dbzer0.com 7 points 3 weeks ago

I prefer the 'ole $sudo dd -i /dev/random -o /dev/sda

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