In order to reboot the security system in Jurassic Park, the young girl Lex, a computer whiz, sits down at a computer terminal and tries to figure out how to get things back up and running. "It's a UNIX System. I know this!" she utters. This shirt features a silhouette of her and her brother Tim at the computer. As she works to get the door locks activated again, Dr. Grant and Ellie are trying to stop a Velociraptor from getting in the room.