How copy /usr contents to a new partition?

[Parameshwara Bhat]

Hello List,

I want to copy /usr to a new partition and then attach that at /usr. I  
issued a command

	cp -options(recursive included) /usr /mnt/"mountpoint

This resulted in the creation of a new "usr" directory under  
/mnt/"mountpoint"/usr and contents of /usr went into sub-directories. What  
I want is to copy all the subdirectories and files directly under /usr to  
go at /mnt/"mountpoint" for obvious reasons. How do I do that? "Man cp"  
did not give me any clue.

Also, is there a command which compares each file under two directory  
trees for difference.(I want to verify after the above operation)

Thanks,

Parameshwara Bhat

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