sh(1) on FreeBSD
The text 9615291c41dd, as FreeBSD 12.1-RELEASE shipped it.
command interpreter (shell)
Flags it lists
-
-C -
-E -
-I -
-P -
-T -
-V -
-a -
-b -
-c -
-d -
-e -
-f -
-h -
-i -
-k -
-l -
-m -
-n -
-num -
-o -
-p -
-r -
-s -
-t -
-u -
-v -
-w -
-x