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user identifier

   Also found in: Acronyms, Wikipedia 0.01 sec.
(operating system)user identifier - 1. (Or "uid", "user id") A number or name which is unique to a particular user of a computer or group of computers which share user information. The operating system uses the uid to represent the user in its data structures, e.g. the owner of a file or process, the person attempting to access a system resource etc.

A user database, e.g. Unix's /etc/passwd file or NIS, maps the uid to other information about that user such as their user name, password, home directory and real name.

2. user name.
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It allows for the handoff of calls between cellular and Wi-Fi networks using a single user identifier.
Wi-Fi hikes security for handoffs between Wi-Fi, 3G networks by Network World Middle East
The specification, based on existing Liberty's identity management capabilities, will provide features such as different user identifiers for each content provider, periodic updating of these identifiers and user ability to terminate their federation with a content provider.
LIBERTY FORMS MESSAGING SERVICE INTERFACE SPECIFICATION GROUP by Multimedia Publisher
These attacks exploit sites that employ e-mail addresses as user identifiers during the registration process or password reminding, allowing attackers to know whether a certain address belongs to a customer of such sites.
BLUE SECURITY RELEASES HOSTILE PROFILING REPORT by Computer Security Update
 
 
 
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