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ach Attentive user interface User–network interface User-Mode Driver Framework Atari ST User User-defined function Journal of Organizational and End User Computing User environment management Principles of user interface design Multi-user MIMO Concurrent user Lead user Windows USER Persona (user experience) Console user interface Web User Linux User and Developer Natural-language user interface First-time user experience History of the graphical user interface Multi-user dungeon End-user computing MPEG user data Vector-based graphical user interface Average revenue per user Questionnaire for User In