history

[mahesh kumar]

dear sir,
        1. where the each terminal's history are stored?
        
                 i.e)in .bash_history ,but root user can 
        retrive those history of particular user only after
        he had logged out.

        
        2.where these history command are stored ? In which
temporary 
file (in that particular user)?.
        
        (or)
        
        3.How the super user can retrive the user's
history,though 
he has not logged out?

thanking you
mahesh-salem.

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