rxstack(1) on Linux
The text 78a2b85b25fd, as Debian 12 (Bookworm), Debian 9 (Stretch), Debian 8 (Jessie), Debian 7 (Wheezy), Debian 6.0 (Squeeze) shipped it.
The Regina Rexx Interpreter stack daemon
Flags it lists
-
-D -
-d -
-k