Binary package “latd” in ubuntu focal

LAT (Local Area Transport) Daemon

 This is a server for DEC LAT. It allows users to log in to the Linux
 system from a LAT terminal server and also the creation of "reverse" LAT
 ports on the system that connect to other LAT services on the network.
 .
 There is also an llogin utility that allows users to login to remote
 LAT services and a moprc utility for managing terminal servers remotely.