Device or resource busy ,when trying to unmount usb device

When you trying to unmount you will get a warning as followed.

umount -f /mnt/Mounted_directory/

umount2: Device or resource busy

umount: /mnt/Mounted_directory: device is busy

umount2: Device or resource busy

umount: /mnt/Mounted_directory: device is busy




use #fuser -km /mnt/Mounted_directory

See the man fuser for more details

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