dmesg(8) on OpenBSD

The text 3975f8ca94a3, as OpenBSD 4.1, OpenBSD 4.0, OpenBSD 3.9, OpenBSD 3.8, OpenBSD 3.7, OpenBSD 3.6, OpenBSD 3.5, OpenBSD 3.4 shipped it.

display the system message buffer

Flags it lists