signaltest(8) on Linux
The text c8403af578b1, as Debian 11 (Bullseye) shipped it.
signal roundtrip test software
Flags it lists
-
--breaktrace -
--duration -
--help -
--loops -
--mlockall -
--priority -
--quiet -
--threads -
--verbose -
-D -
-b -
-l -
-m -
-p -
-q -
-t -
-v