[root@luftibus /]# deluser --remove-home sherlock
Looking for files to backup/remove ...
Removing files ...
Removing user `sherlock' ...
Warning: group `sherlock' has no more members.
userdel: user sherlock is currently used by process 2575
/usr/sbin/deluser: `/usr/sbin/userdel sherlock' returned error code 8. Exiting.
[root@luftibus /]#