While deleting files, BMO accidentally deletes its core system drivers. Overhearing his son badmouthing him, Richard deletes him, which retroactively erases his existence. Exiting the browser deletes all browser data. Creating a new grid automatically deletes the effects of the original. The user then deletes the original tweet. The Backspace key deletes the preceding character. Xbash is able to propagate like a worm and deletes databases stored on victim hosts. The second actually deletes the node by resetting . Referential integrity is enforced via cascading updates and deletes. However, if O2 is executed without transformation, it incorrectly deletes character "b" rather than "c". However, she accidentally deletes and re-record his "outgoing" message, humiliating herself. Data then takes control of the body after Soong deletes himself. At that point, Time Machine deletes the oldest weekly backup. The "magic eraser" tool deletes based on similar colored pixels. She then deletes Lola's account just as it reaches the number 1 rank.