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Spacecraft Operating & Management System display

A standard S/COMS display, typical of the 2150s

Kiley 279 planetary data

S/COMS display of the late 2250s showing planetary data

USS Defiant, Spacecraft Operating & Management System

S/COMS displays of the 2260s

The Spacecraft Operating & Management System, abbreviated as S/COMS, was a computer operating system used aboard many 22nd century United Earth spacecraft and stations, such as the NX-class Enterprise NX-01. It used a combination of touch and physical controls for operation, and often displayed data in several separate panes or windows on screen. (Star Trek: Enterprise)

S/COMS continued to be used by the Starfleet of the United Federation of Planets at least until the 2260s. (SNW: "Those Old Scientists")

This was a predecessor to the Library Computer Access and Retrieval System (LCARS) systems widely used by Starfleet in the 24th century. (Star Trek: The Next Generation)

On Corazonia, power relay stations used 2150s-style S/COMS software up through upgrades the USS Cerritos performed in 2381. (LD: "In the Cradle of Vexilon")

During the first season of the series, many S/COMS computer screens on that ship featured a distinctive column of rectangular status icons on the right side. As the series progressed, a second, and eventually a third column of status icons were added, as the colors of those icons became stronger. Episodes set in the future of the show's main timeline had screens with even more columns of icons. This was intended to imply a technological progression leading toward the blinking icon display that dominated the bridge of Kirk's Enterprise in the original series, set a century after the events of Enterprise. (Star Trek Encyclopedia, 4th ed., vol. 2 M-Z, p. 244)

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