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losetup

Set up and control loop devices.

  • List loop devices with detailed info:

losetup -a

  • Attach a file to a given loop device:

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

  • Attach a file to a new free loop device and scan the device for partitions:

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

  • Attach a file to a read-only loop device:

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

  • Detach all loop devices:

sudo losetup -D

  • Detach a given loop device:

sudo losetup -d /dev/{{loop}}