hal9000@hal9000-Dell-Precision-M3800:~$ encfs ~/.encrypted ~/.visible
EncFS Password: 
fuse: mountpoint is not empty
fuse: if you are sure this is safe, use the 'nonempty' mount option
fuse failed. Common problems:
- fuse kernel module not installed (modprobe fuse)
- invalid options -- see usage message
hal9000@hal9000-Dell-Precision-M3800:~$