last(1) on OpenBSD
The text 56756fcbec3a, as OpenBSD 4.0, OpenBSD 3.9, OpenBSD 3.8, OpenBSD 3.7, OpenBSD 3.6 shipped it.
indicate last logins of users and ttys
Flags it lists
-
-T -
-c -
-d -
-f -
-h -
-n -
-number -
-s -
-t