Deepika Padukone has acted in comedies, dramas, and romances.
In the X Window System , programs run as X clients , and as such they connect to the X display server , possibly via a computer network .. X Window System. X Window System. display server. display server. computer network. computer network. Since the network may be accessible to other users , a method for forbidding access to programs run by users different from the one who is logged in is necessary .. There are five standard access control mechanisms that control whether a client application can connect to an X display server .. display server. display server. They can be grouped in three categories  :. access based on host. access based on cookie. access based on user. user. User ( computing ). Additionally , like every other network connection , tunnelling can be used .. tunnelling. tunnelling protocol