The Atari ST is a home/personal computer that was commercially available from 1985 to the early 1990s. It was released by Atari Corporation in 1985. The "ST" officially stands for "Sixteen/Thirty-two", which referred to the Motorola 68000's 16-bit external bus and 32-bit internals.
The Operating system was based on Digital Research's GEM (Graphic EnvironMent), on the market at the same time as Windows 1 or 2.
