FreeBSD: id

Display user identity information

Code	Output
id	uid=10000(roger) gid=10000(roger) groups=10000(roger), 2000(developer), 2001(autosys), 2002(cvs), 2003(uat)
id vange	uid=10001(vange) gid=10001(vange) groups=10001(vange)
id -G	10000 2000 2001 2002 2003
id -u	10000
id -nu	roger
id p	uid roger groups roger developer autosys cvs uat
Note: After an su root.
id -p	login roger uid root groups wheel operator