losetup

Set up and control loop devices. More information: https://manned.org/losetup.

losetup -a

sudo losetup /dev/loop /path/to/file

sudo losetup --show --partscan -f /path/to/file

sudo losetup --read-only /dev/loop /path/to/file

sudo losetup -D

sudo losetup -d /dev/loop