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I've removed windows from my PC and about to install Ubuntu from bootable USB. I'd like to reset my PC completely but I found bios setting are still existing. So I googled and found I can reset bios by

modprobe nvram dd if=/dev/zero of=/dev/nvram

Now I'm curious about what are those files in /Dev directory.

Can I delete them and install them from scratch?

1 Answers1

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If you do so, the system will break. And as far as I remember, they are the main codes.

http://www.tldp.org/LDP/sag/html/dev-fs.html

Check this link.