DK(4) (local) DK(4) NAME dk - Datakit interface DESCRIPTION A Datakit node consists of a fast digital switch and a number of line modules. Line modules are interfaced to computers, terminals, other digital devices. Certain line modules, referred to as trunks, connect Datakit nodes together. Each module may communicate with other modules through the switch on up to 510 logical channels. The directory /dev/dk consists of character special files, each one associated with a logical channel.