I'm surprised nobody was talking about this here. I read about it the other day, but here's the run down.
A person running a hosting company (about 1500 clients), typed "rm -rf" and using a script, pushed it out to all of his servers. In one line of code, he just deleted ALL user accounts. The genius also has that "push script" linked to his backups machines - so he not only deleted all sites, but then deleted all client backups too.
Here's a link to the story - http://www.independent.co.uk/life-st...-a6984256.html
I feel really bad for the guy. Back when I had my hosting company, I executed "rm -rf ./" I think it was on one of my machines. The only thing different is that I did it on a non-public facing machine, so it wasn't as catastrophic. I've used the "rm-rf" so many times over the years, but for some reason I was in the ROOT of the server that one time.
An expensive lesson for Marco Marsala, the person who executed the command for his company, and quite possibly even the end of his business.