data directory

I would like to move a directory one level up into the root directory. I have all my html files located in /home/apache2/www/html directory, and I would like to move /home/apache2/www/html to one level up at /home/apache2/www/. How can I accomplish this over the ssh session?
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Q. I get a large amount of bin files in the MySQL data directory called “server-bin.n” or mysql-bin.00000n, where n is a number that increments. What is MySQL Binary Log? How do I stop these files being created?
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