Linus (moon) of the muse Calliope and the inventor of melody and rhythm, the name was also meant to honor Linus Torvalds, inventor of the Linux operating system, and Linus van Pelt, a character in the Peanuts comic strip. With an estimated (17 ± 1 mi) diameter, Linus is very large compared to most asteroid moons, and would be a sizable asteroid by itself. The only known larger moons in the main belt are the smaller components of the double asteroids 617 Patroclus and 90 Antiope. It has been estimated that Linus' orbit precesses at quite a rapid rate, making one cycle
GEOS (8-bit operating system) GEOS (8-bit operating system) GEOS ("Graphic Environment Operating System") is a discontinued operating system from Berkeley Softworks (later GeoWorks). Originally designed for the Commodore 64 and released in 1986, it provides a graphical user interface for this popular 8-bit computer. GEOS closely resembles early versions of the classic Mac OS and includes a graphical word processor (geoWrite) and paint program (geoPaint). A December 1987 survey by the Commodore-dedicated magazine "Compute!'s Gazette" found that nearly half of its readers used GEOS. For many years, Commodore bundled GEOS with its redesigned and cost-reduced C64, the C64C. At its peak, GEOS was the