REMOTE USERS

ruser -a -f (user)       Adds entry into /etc/ftpusers file
ruser -a -p (host)       Adds entry into /etc/host.lpd file
ruser -a -r (host)       Adds entry into /etc/hosts.equiv file

ruser -d -f (user)       Deletes entry in /etc/ftpusers file
ruser -d -p (host)       Deletes entry in /etc/host.lpd file
ruser -d -r (host)       Deletes entry in /etc/hosts.equiv file

ruser -s -F              Shows all entries in /etc/ftpusers file
ruser -s -P              Shows all entries in /etc/host.lpd file
ruser -s -R              Shows all entries in /etc/hosts.equiv file

ruser -X -F              Deletes all entries in /etc/ftpusers file
ruser -X -P              Deletes all entries in /etc/host.lpd file
ruser -X -R              Deletes all entries in /etc/hosts.equiv file