x42-fil4(1) on Linux
The text 2fd50f82d8ec, as Debian 9 (Stretch) shipped it.
x42 JACK Parametric Equalizer
Flags it lists
-
--help -
--jack-name -
--list -
--osc -
--osc-doc -
--port -
--portlist -
--version -
-O -
-P -
-V -
-h -
-j -
-l -
-p