I am new user .I installed newest vertion of openolaris(Jan 1 2009) with my 
ubuntu 8.10. Then i tried to install jdk kit. while tried "sudo" to move jdk 
into /opt like 
$ sudo mv jdk1.6.0_10/ /opt 
............
........
password
Sorry,try again.
password
Sorry,try again.
.........

But i am sure about my root password .
Why it happens ?

Thanks
sreeja

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