November 15th, 2010 by upa_kid
It happens many times you try to unmount a disk partition or mounted CD/DVD disk and if you try to unmount device, which is accessed by other users, then you will get error umount: /xxx: device is busy. However, Linux/FreeBSD comes with fuser command to kill forcefully mounted partition.
Understanding device error busy error
What happens basically, is that Linux / UNIX will not allow you to unmount...