This article is from the Star Trek Tech FAQ, by Joshua Bell inexorabletash@hotmail.com with numerous contributions by others.
I can't remember the details, but presumably he took over the entire
ODN as well. He'd have to in order to run the ship through the
Holodeck (which have, BTW, their own almost-distinct computers (c.f.
"Emergence" [TNG])).
 
Continue to: