


The lsof (list open files) command displays a list of all open files and the processes associated with them on a specific file system, directory, or device. Umount.nfs4: /mnt/nfs/linoxide_srv: device is busy 1) With lsof When we try to umount the remote partition, we have an error message. The following example shows the unmount fails because the device is busy: # umount /mnt/nfs/linoxide_srv/
