KK Null | Unter Null | Null Device | Mr. Modem | /dev/null | Null result | $null | null | Christopher Null | Cecil Null |
LapLink cable (can be seen as a parallel equivalent to a serial null modem cable)
An IBM AT type null modem cable may be used to connect two Jaguars together.
Command HQ supports head-to-head play by two players connected remotely via serial (RS-232) cable, dial up modems, or locally via a null-modem cable.