Goal - removing target without data loss Unplugging or unmount -l (lazy unmount) can cause data loss. I want to share a way o avoid data loss. Side note: unmount -l will let you unmount the device, but as far as I know only 'hides' the mountpoint, and active processes can still write on said device. The problem Error unmounting /dev/sdc1: target is busy So, there are now different ways to unmount the target safely. Side note: the most common case is that you are still in a directory of said t...