id(1) on FreeBSD
The text dfbf664f275f, as FreeBSD 14.5-RELEASE, FreeBSD 14.4-RELEASE shipped it.
return user identity
Flags it lists
-
-A -
-G -
-M -
-P -
-a -
-c -
-d -
-g -
-n -
-p -
-r -
-s -
-u