dip(8) on Linux
The text 5f4df4420f1e, as Debian 1.3 (Bo), Debian 1.2 (Rex), Debian 1.1 (Buzz) shipped it.
handle dialup IP connections
Flags it lists
-
-a -
-i -
-k -
-l -
-m -
-p -
-t -
-v