# fuser -u /dev/vg01/lvol1
This lists process IDs and login names of processes using /dev/vg01/lvol1.
# fuser -u /etc/passwd
This lists process IDs and login names of processes that have the passwd file open.
# fuser -uc /opt
This lists process IDs and login names of processes that have open files in the /opt file system.
# fuser -ku /dev/vg01/lvol1
This terminates all processes that are preventing logical volume lvol1 of volume group vg01
This lists process IDs and login names of processes using /dev/vg01/lvol1.
# fuser -u /etc/passwd
This lists process IDs and login names of processes that have the passwd file open.
# fuser -uc /opt
This lists process IDs and login names of processes that have open files in the /opt file system.
# fuser -ku /dev/vg01/lvol1
This terminates all processes that are preventing logical volume lvol1 of volume group vg01