Also, by default, in Oracle 8.1.6 MDSYS and CTXSYS are already excluded from the export, so no editing of catexp.sql is needed to do what the original poster wanted to do.
# grep MDSYS $ORACLE_HOME/rdbms/admin/catexp.sql
u$.name not in ('ORDSYS', 'MDSYS', 'CTXSYS', 'ORDPLUGINS')
u.name not in ('ORDSYS', 'MDSYS', 'CTXSYS', 'ORDPLUGINS')
u1$.name not in ('ORDSYS', 'MDSYS', 'CTXSYS', 'ORDPLUGINS')
'ORDSYS', 'MDSYS', 'CTXSYS', 'ORDPLUGINS')
ue$.name not in ('ORDSYS', 'MDSYS', 'CTXSYS', 'ORDPLUGINS')
s$.owner not in ('ORDSYS', 'MDSYS', 'CTXSYS', 'ORDPLUGINS')
AND u.name not in ('ORDSYS', 'MDSYS', 'CTXSYS', 'ORDPLUGINS')
> -----Original Message-----
> From: Deshpande, Kirti [mailto:[EMAIL PROTECTED]]
>
> The answer is: Yes.
> You will need to edit catexp.sql to rebuild internal view to exclude
> interested owner#.
>
> -----Original Message-----
> Is it possible to exclude certain sys type schema when we do
> export? We are
> (will be) migrating from 8161 to 9201 and would like to
> exclude MDSYS and
> CTXSYS from (8161) export.
