-i

minimallinux:

onethingwell:

If you want to protect a directory from a careless rm -rf *, touching a file named -i inside it will force rm to ask for confirmation :

touch ~/important-directory/-i

From Command Line Fu, via HN.

 This made me go, “Hmm!” I had no idea, but this is a super handy tip. Consider doing this in your home directory…

(via minimallinux)

Source: onethingwell