System 2

System Two, System II or System 2 may refer to:

Computing

• Acorn System 2, the early microcomputer
• Atari System 2, the arcade game platform by Atari
• Apple System 2, the operating system version for the Apple Macintosh
• Capcom System 2, an arcade system board in the 1990s
• Cromemco System Two, a computer system by Cromemco from 1978
• Channel F System II, game console by Fairchild
• Digital Access Signalling System 2, the protocol by British Telecom
• Global File System 2, the file system by Red Hat
• Master System II, the 8-bit video game console by Sega
• Namco System 2, the arcade system board by Namco
• Sega System 2, an arcade system board in the 1990s
• S2 (programming language), style system 2

Cognition

• System 1 and System 2 as hypothesized regarding cognition: see Thinking, Fast and Slow

Entertainment: games, music, etc

• System 2 in Trilogy, an album from rock band Angeldust
• Super System 2, the poker system
• System Shock 2, the computer game

See also

• Operating System/2 by IBM
• Personal System/2 by IBM