r2(1) on Linux
The text 0ee559f7dbc7, as Debian 8 (Jessie) shipped it.
Flags it lists
-
-A -
-B -
-D -
-H -
-L -
-N -
-P -
-a -
-b -
-c -
-d -
-e -
-f -
-h -
-i -
-k -
-l -
-n -
-p -
-q -
-s -
-t -
-v -
-w