# id

> Display current user and group identity.

- Display current user's id (UID), group id (GID) and groups to which they belong:

`id`

- Display the current user identity as a number:

`id -u`

- Display the current group identity as a number:

`id -g`

- Display an arbitrary user's id (UID), group id (GID) and groups to which they belong:

`id {{username}}`