I am unable to start my dabase. It gives following error after mounting the database.
ORA-00600: internal error code, arguments: , , , , [82708
8018], , , 
The database is in mount status and i am unable to open it.
OS : Compaq 64 trueunix 4.0D
DB : Oracle 220.127.116.11
Appreciate all help.
most probably there is a file corruption. it could also be a hardware , memory or I/O error. shutdown the system and restart the database. if the error persists then go for recovery(i.e. restore the datafiles from your backup)