This Jurassic Park t-shirt features an image of a Velociraptor, and the shirt reads “It’s A Unix System I Know This!”. The quote was delivered in the 1993 movie by Lex Murphy, as she was looking at a Unix operating system. The Unix System held all the files for the entire park. Lex knew the Unix System because she was a hacker, not a computer nerd. For any fan of Jurassic Park, this Unix System t-shirt is a must have.