Name
id - display current user and group ID namesSynopsis
id [-a]
Description
The id command displays the current real and effective user and group ID names or values. If the value does not have a corresponding entry in /etc/passwd or /etc/group, the value will be displayed without the corresponding name. The optional -a flag will display the group set on systems which support supplementary groups (see initgroups(3)).
Files
/etc/group Group account information.
/etc/passwd User account information.
See Also
getgid(2), getgroups(2), getuid(2), initgroups(3)