i once did `sudo mv . /var/www/` when in root... i had been copying files to my webserver.. before i knew it my connection had closed and i couldn't ping the server, after running to the colo i find i had no backups my rsync had been failing for the last couple of days and i had failed to check the logs, after pulling and old copy of the site from what i think it was one of the developers laptops, i was able to get the site running, old and w/o the latest db, after a while i mounted the drive and for my surprise everything was still there, lesson learned always check your current path... i always find myself just typing as fast as i can and sometimes while switching from tty's i loose track of where i am...