4 ms·

Little Errors That Can Cause Big Disasters

• lutusp 13y ago
  > 1. Writing rm / somedir instead of rm /somedir ... The minor mistake of adding a space in the rm command can actually delete the entire content of the root (/) directory. Only if your're logged in as root. The author omits what should be obvious advice -- avoid root shell sessions whenever possible. Always operate at the lowest level of authority consistent with the desired objective.