User identification

A user ID ( English user identifier , UID ) identified on a computer clearly a user or a (assigned to the user) account . As a rule, this user is a natural person, less often a group of natural persons.

The user ID is requested every time you log on to the computer. The registration remains active until the session is ended. The logout can be automatically forced, for example if the time is exceeded.

Under POSIX -compatible operating systems, the command outputs idinformation about its own identity: user name, user ID (UID), name of the primary user group and number of the primary user group (GID).

See also

• Unix commands for user and rights management: Unix command # User and rights management