CentralNotice LCARS From Wikipedia, the free encyclopedia Jump to: navigation , search "PADD" redirects here. For the American WWII term, see Petroleum Administration for Defense Districts . LCARS LCARS screens, as seen in Star Trek Nemesis Plot element from the Star Trek franchise First appearance Star Trek: The Next Generation Created by Michael Okuda [ 1 ] Genre Science fiction In-story information Type Computer operating system In the Star Trek fictional universe , LCARS ( / ˈ ɛ l k ɑr z / ; an acronym for Library Computer Access/Retrieval System ) is a computer operating system . Within Star Trek chronology, the term was first used in Star Trek: The Next Generation and in subsequent shows. In a real-world context, "LCARS" is frequently used to describe the style of the computer displays of the LCARS system, especially the screens fro...