text: 
  col owner  format a10
  col db_link format a30
  col host format a15
  col connect_id format a10
  col password format a10
  
  
  select 
  	u.name owner, 
  	l.name db_link, 
  	l.userid connect_id, 
  	l.host host, 
  	l.password password
  from sys.link$ l, sys.user$ u
  where l.owner# = u.user#
  /
  