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e Micro User User fee Single-user mode User assistance User Friendly User information User requirements document User interface markup language Text-based user interface Intelligent user interface Fast user switching Amstrad Computer User User space and kernel space User interface management system IBM Common User Access Natural user interface Adaptive user interface User model Object-oriented user interface User error Closed user group End-user license agreement Acorn User User intent Toolkits for user innovation User Account Control Apple User Group Connection

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