Many years ago in 96 or 97, my colleague tried to upgrade Oracle DB by running "sudo /path/install.sh" from the root folder. Little did he know that the script

Many years ago in 96 or 97, my colleague tried to upgrade Oracle DB by running "sudo /path/install.sh" from the root folder. Little did he know that the script did "rm -rf *" on one of the first lines :) The day was saved by the fact that Oracle stored data on a block device directly. There were no data loss and we just had to restore the machine itself. Since that day, I never run any scripts in /, /etc/, ...