Sudo is one of the most powerful and dangerous tools in the Unix or Linux system administrator's toolbox. With it, an ordinary user can run commands just as if he or she were the superuser or any ...

Linux does exactly what you tell it - dangerous commands can wipe or brick your system. Common lethal commands: sudo rm -rf /*, sudo chmod -R 777 /, :(){ :|:& };:, dd if=/dev/urandom of=/dev/sda Never ...

Maintaining or administering a computer system remotely is a common enough task these days, but it’s also something that can go sideways on you quickly if you aren’t careful. How many of us are guilty ...

I accidentally did "sudo rm -r *" in my home directory, wiping out basically everything except ~/Library that was in use thus could not be deleted. This was in Mac OS X 10.2. I immediately rebooted ...