daemon(8) on FreeBSD
The text c20db5105191, as FreeBSD 12.0-RELEASE shipped it.
run detached from the controlling terminal
Flags it lists
-
-P -
-R -
-S -
-T -
-c -
-f -
-l -
-m -
-o -
-p -
-r -
-s -
-t -
-u