singel@logaritme:~$ parted singel.img
WARNING: You are not superuser.  Watch out for permissions.
GNU Parted 1.8.9
Using /home/singel/singel.img
Welcome to GNU Parted! Type 'help' to view a list of commands.
(parted) print
Error: /home/singel/singel.img: unrecognised disk label
(parted) quit
singel@logaritme:~$ fdisk -l singel.img

Disk singel.img: 0 MB, 0 bytes
255 heads, 63 sectors/track, 0 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x1e0737c2

Disk singel.img doesn't contain a valid partition table