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Unique identifier. A unique identifier ( UID) is an identifier that is guaranteed to be unique among all identifiers used for those objects and for a specific purpose. [1] The concept was formalized early in the development of computer science and information systems. In general, it was associated with an atomic data type .
User identifier. Unix-like operating systems identify a user by a value called a user identifier, often abbreviated to user ID or UID. The UID, along with the group identifier (GID) and other access control criteria, is used to determine which system resources a user can access. The password file maps textual user names to UIDs.
Universally unique identifier. A Universally Unique Identifier ( UUID) is a 128-bit label used for information in computer systems. The term Globally Unique Identifier ( GUID) is also used, mostly in Microsoft systems. [1] [2] When generated according to the standard methods, UUIDs are, for practical purposes, unique.
Aadhaar ( Hindi: आधार, lit. 'base, foundation'; sometimes informally called UIDAI ID or UIDAI Number) [7] is a 12-digit unique identity number that can be obtained voluntarily by all residents of India, based on their biometrics (10 finger prints, 2 iris prints and photo of face) and demographic data. [8] The data is collected by the ...
UID-marking is a set of data for assets that is globally unique and unambiguous. The technology used to mark an item is 2D Data Matrix ECC 200 Symbol. UID marking can be used to ensure data integrity and data quality throughout an item's lifecycle; it also supports multi-faceted business applications. As per the memorandum issued by the ...
uID Center, a nonprofit organization in Tokyo, Japan, responsible for the Ucode system for uniquely identifying real-world objects electronically; German for: "UID = Umsatzsteuer Identifikation" (English: VAT identification number, VAT = value-added tax) Organizations. Ulster Institute for the Deaf; Umeå Institute of Design
The Defense Enrollment Eligibility Reporting System (DEERS) registration is a crucial process for members of the U.S. military and their eligible family members. DEERS is the primary system used by the Department of Defense (DoD) to verify and maintain the eligibility of individuals for military benefits, including healthcare and other ...
Security Identifier. In the context of the Microsoft Windows NT line of operating systems, a Security Identifier ( SID) is a unique, immutable identifier of a user, user group, or other security principal. A security principal has a single SID for life (in a given domain), and all properties of the principal, including its name, are associated ...