User User interface User (computing) User profile User identifier End user User innovation User-centered design Graphical user interface Power user User story User-Agent header Linux user group 3D user interaction User experience User interface design User research User-generated content Registered user User agent User experience design User review User advocacy Multi-user software User guide Organic user interface Voice user interface Users' group Macintosh User Group End-user development 10-foot user interface Tangible user interface User illusion User-mode Linux Sinclair User Zooming user interface Roaming user profile The Micro User User fee Single-user mode User Friendly User assistance …

Text-based user interface Intelligent user interface User interface markup language User information User requirements document Fast user switching Amstrad Computer User User space and kernel space User interface management system IBM Common User Access Natural user interface User model Object-oriented user interface Adaptive user interface End-user license agreement Closed user group User intent User error Toolkits for user innovation User interface modeling Apple User Group Connection Acorn User User Account Control Unique user User-Mode Driver Framework Active users Lazy user mode

l User activity monitoring Z User Group User–network interface Attentive user interface User-subjective approach Journal of Organizational and End User Computing Console user interface Atari ST User User-defined function User environment management First-time user experience Lead user Principles of user interface design Concurrent user Multi-user MIMO Web User Windows USER Persona (user experience) Linux User and Developer History of the graphical user interface Natural-language user interface Multi-user dungeon Vector-based graphical user interface End-user computing MPEG user data List of graphical user interface elements Browser user interface Reference and User Services Quarterly Average revenue per user