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A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
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UCS
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See Universal Character Set.
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Unicode
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A worldwide character-encoding standard that allows more information to be contained in each string by defining 16-bit character strings rather than the standard 8-bit character strings. Unicode allows universal data exchange and improves multilingual text processing. Unicode strings are also called wide strings.
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Universal Character Set
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(UCS) A 16-bit character set.
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universal well-known security identifier
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A security identifier (SID) that is known on all systems that adhere to the security model based on authenticated users and discretionary access control.
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UPN
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See user principal name.
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user
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A user of a system is identified by a login procedure, which establishes a process by which applications can run and access other security-relevant objects. An example of a login procedure is to use a smart card, possibly in conjunction with a password or personal identification number (PIN).
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user interface (Smart Card)
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A common dialog box that lets the user connect to a smart card and use it in an application. Using the dialog box, the user can specify a specific card or search for the smart card to open.
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user principal name
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(UPN) A user account name (sometimes referred to as the user logon name) and a domain name identifying the domain in which the user account is located. This is the standard usage for logging on to a Windows domain. The format is: someone@example.com (as for an email address).