dumpon(8) on FreeBSD
The text aa515980031a, as FreeBSD 13.2-RELEASE, FreeBSD 13.1-RELEASE shipped it.
specify a device for crash dumps
Flags it lists
-
-C -
-Z -
-c -
-g -
-i -
-k -
-l -
-r -
-s -
-v -
-z