Siglas de Unrestricted Digital Information
Software
Siglas de UnixWare/OpenServer Development Kit
Siglas de Uniform Driver Interface
Siglas de User Defined Object
Siglas de Universal Driver Library Software
Siglas de Universal Data Server
Siglas de User Environment Design
Siglas de Unified Emulator Format
Siglas de Universal Exit Language
Siglas de UltraView Expansion Kit
Siglas de Unified Error Handler