UGID
Encyclopedia
A UGID is a numerical identity, which corresponds to a user (UID) and group identity
Group identifier
In Unix-like systems, multiple users can be categorized 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,...

 (GID) of a Unix
Unix
Unix is a multitasking, multi-user computer operating system originally developed in 1969 by a group of AT&T employees at Bell Labs, including Ken Thompson, Dennis Ritchie, Brian Kernighan, Douglas McIlroy, and Joe Ossanna...

 or Unix-like
Unix-like
A Unix-like operating system is one that behaves in a manner similar to a Unix system, while not necessarily conforming to or being certified to any version of the Single UNIX Specification....

 system.

Traditional Unix numbering schemes have separate numeric values for users and groups.
In a Common Numbering Scheme (such as that used by Naked Lady
Naked Lady
Naked Lady or Naked Ladies may refer to several plants:* Amaryllis* Euphorbia tirucalli* Colchicum autumnale...

), the user identity and group identity correspond for each system account. This means that for each user name on the system, there is a group of the same name and the same identity number.
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
x
OK