resolvconf(8) on Linux
The text 7773f1cb1f0b, as Debian 10 (Buster), Debian 9 (Stretch) shipped it.
a framework for managing multiple DNS configurations
Flags it lists
-
-I -
-R -
-V -
-f -
-i -
-l -
-m -
-p -
-r -
-u -
-v -
-x