I accidentally created, with Clonezilla, a disk image file into my Ubuntu hard drive (it's actually a folder with many files within). I have since learned how to use Clonezilla correctly and save disk image files to my external hard drive. But now I can't figure out how to change the permission so I can move this gigantic file to the trash and delete it.
UPDATE: When I run
sudo chown -R YOURUSERNAME 2018-09-11_zilla.disk_image I get
"chown: cannot access '2018-09-11_zilla.disk_image': No such file or directory."
Except that IS the name of the folder! So if just one character is wrong, even I know - it's not going to work.