Ubuntu – the function of the list of loop devices?

kubuntu-netbookloop-device

A lot of strange loop devices appear in my Kubuntu OS.

enter image description here

 [translation:  
  Hard disk 107.4GB  
  Hard disk 487.0GB  
  Loop Device  
  Hard Disk 4.0GB  
  Loop Device  
  Loop Device  
  Loop Device  
  Loop Device  
  Victor Disk]

Can anybody tell me what it is? .

Best Answer

The loop devices come from snap packages that you installed, one loop device for each snap package that is installed. If gnome-disk-utility package is installed, ISO images can be mounted as loop devices in Dolphin file manager's left pane under the Devices heading.

If you unmount the loop device of a snap package, the snap application will stop working until the next time you reboot or restart the computer, and then it will resume working normally. The right way to disable/enable a snap in the system is with the command sudo snap disable <name-of-snap-package> and enable a snap with sudo snap enable <name-of-snap-package>. The way to permanently delete a snap loop device is to uninstall the snap with the command sudo snap remove <name-of-snap-package>.

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