isotprecv(1) on Linux
The text e2b9ce553d1c, as Debian 10 (Buster) shipped it.
manual page for isotprecv 2018.02.0-1
Flags it lists
-
-L -
-P -
-b -
-d -
-l -
-m -
-p -
-s -
-w -
-x