nc(1) on macOS
The text f66fb00c80d5, as macOS 12.5, macOS 12.4, macOS 12.3, macOS 12.2, macOS 12.1, macOS 12.0.1, macOS 11.5, macOS 11.4, macOS 11.3, macOS 11.2, macOS 11.1, macOS 11.0.1 shipped it.
arbitrary TCP and UDP connections and listens
Flags it lists
-
--apple-delegate-pid -
--apple-delegate-uuid -
--apple-ext-bk-idle -
--apple-nowakefromsleep -
--ecn -
-4 -
-6 -
-A -
-C -
-D -
-G -
-H -
-I -
-J -
-L -
-U -
-X -
-b -
-c -
-d -
-h -
-i -
-k -
-l -
-n -
-p -
-r -
-s -
-t -
-u -
-v -
-w -
-z