Package xauth: Information

The  xauth program is used to edit and display the authorization infor-
mation used in connecting to the X server.   This  program  is  usually
used  to  extract authorization records from one machine and merge them
in on another (as is the case when  using  remote  logins  or  granting
access  to  other  users).   Commands  (described below) may be entered
interactively, on the xauth command line, or  in  scripts.   Note  that
this  program  does  not  contact the X server except when the generate
command is used.  Normally xauth is not used to  create  the  authority
file entry in the first place; xdm does that.