how to take full database backup using toad

[ramanan ram]

i am using oracle 10g with toad editor ,i want to take full back up of specific database .i tried through recovery manager but its not working.
please help..
thanks in advance..

[bharthi]

Hi Sir,
please verify this link, http://docs.oracle.com/cd/E11882_01/...2/rcmbckba.htm. or i saw some videos to take online and offline backups in YouTube.