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rs User intent Acorn User User-Mode Driver Framework Unique user Object-oriented user interface Apple User Group Connection Lazy user model Z User Group User–network interface Attentive user interface User interface modeling User-subjective approach Atari ST User Journal of Organizational and End User Computing User-defined function User environment management User activity monitoring Persona (user experience) Console user interface First-time user experience Windows USER Lead user Principles of user interface design Multi-user MIMO Web User Linux User and Developer History of the graphical user interface Multi-user dungeon Natural-language user interface Concurrent user Vector-based gra