root> su - oracle
oracle> export ORACLE_SID=venu
oracle> sqlplus / as sysdba
SQL> startup
SQL> exit
oracle> rman target /
RMAN> show all;
RMAN> host 'clear';
oracle> cd /u03/rmanbkp
oracle rmanbkp> ls
RMAN> backup database plus archivelog;
oracle rmanbkp> ls
Note : datafiles will be shared among the channels.
RMAN> list backup; --> lists available backups
