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  2. Security Identifier - Wikipedia

    en.wikipedia.org/wiki/Security_Identifier

    Security Identifier (SID) is a unique, immutable identifier of a user account, user group, or other security principal in the Windows NT family of operating systems. A security principal has a single SID for life (in a given Windows domain), and all properties of the principal, including its name, are associated with the SID.

  3. Group Policy - Wikipedia

    en.wikipedia.org/wiki/Group_Policy

    A version of Group Policy called Local Group Policy (LGPO or LocalGPO) allows Group Policy Object management without Active Directory on standalone computers. [ 1 ] [ 2 ] Active Directory servers disseminate group policies by listing them in their LDAP directory under objects of class groupPolicyContainer .

  4. User identifier - Wikipedia

    en.wikipedia.org/wiki/User_identifier

    NFSv4 was intended to help avoid numeric identifier collisions by identifying users (and groups) in protocol packets using textual “user@domainnames rather than integer numbers. However, as long as operating-system kernels and local file systems continue to use integer user identifiers, this comes at the expense of additional translation ...

  5. Administrative Template - Wikipedia

    en.wikipedia.org/wiki/Administrative_Template

    ADM files are consumed by the Group Policy Object Editor (GPEdit). Windows XP Service Pack 2 shipped with five ADM files (system.adm, inetres.adm, wmplayer.adm, conf.adm and wuau.adm). These are merged into a unified "namespace" in GPEdit and presented to the administrator under the Administrative Templates node (for both machine and user policy).

  6. Universally unique identifier - Wikipedia

    en.wikipedia.org/wiki/Universally_unique_identifier

    The Oracle Database SYS_GUID function does not return a standard GUID, despite the name. Instead, it returns a 16-byte 128-bit RAW value based on a host identifier and a process or thread identifier, somewhat similar to a GUID. [34] PostgreSQL contains a UUID datatype [35] and can generate most versions of UUIDs through the use of functions ...

  7. Object identifier - Wikipedia

    en.wikipedia.org/wiki/Object_identifier

    In computing, object identifiers or OIDs are an identifier mechanism standardized by the International Telecommunication Union (ITU) and ISO/IEC for naming any object, concept, or "thing" with a globally unambiguous persistent name. [1]

  8. Group identifier - Wikipedia

    en.wikipedia.org/wiki/Group_identifier

    In Unix-like systems, multiple users can be put into groups. POSIX and conventional Unix file system permissions are organized into three classes, user, group, and others.The use of groups allows additional abilities to be delegated in an organized fashion, such as access to disks, printers, and other peripherals.

  9. Surrogate key - Wikipedia

    en.wikipedia.org/wiki/Surrogate_key

    A surrogate key (or synthetic key, pseudokey, entity identifier, factless key, or technical key [citation needed]) in a database is a unique identifier for either an entity in the modeled world or an object in the database. The surrogate key is not derived from application data, unlike a natural (or business) key. [1]