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requirements document User interface management system Intelligent user interface User interface markup language Fast user switching User space and kernel space Amstrad Computer User User information IBM Common User Access End-user license agreement Closed user group Natural user interface Active users Adaptive user interface User Account Control User–network interface User model Toolkits for user innovation Lazy user model Journal of Organizational and End User Computing User intent Object

-oriented user interface User-Mode Driver Framework Apple User Group Connection User-subjective approach Z User Group Acorn User User error User interface modeling Atari ST User User-defined function Attentive user interface Principles of user interface design User environment management Windows USER Unique user User activity monitoring Persona (user experience) Console user interface Multi-user dungeon Linux User and Developer First-time user experience Multi-user MIMO Web User History of the graphical user interface Natural-language user interface Lead user Concurrent user Average revenue per user Reference and User Services Quarterly End-user computing Browser user interface List of graphical user interface e