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

Linux Sinclair User Single-user mode User fee User requirements document The Micro User User interface management system User assistance User information Text-based user interface User interface markup language User Friendly Fast user switching Amstrad Computer User Intelligent user interface User space and kernel space Active users IBM Common User Access Closed user group End-user license agreement Natural user interface Adaptive user interface User–network interface

Acorn User Toolkits for user innovation User error User intent User-subjective approach Journal of Organizational and End User Computing User-Mode Driver Framework User Account Control Lazy user model Object-oriented user interface Z User Group User-defined function User model Atari ST User User interface modeling Apple User Group Connection Unique user Console user interface User environment management User activity monitoring Principles of user interface design Persona (user experience) Attentive user interface Windows USER First-time user experience Linux User and Developer Multi-user MIMO Lead user Web User Natural-language use