HOST COMMAND INTERFACE

ELECTRONIC INTERFACE UNITS CONTAINED WITHIN OR FOR CONNECTING COMPUTERS OF THE SAME OR DIFFERENT TYPE FOR FACILITATING COMMUNICATION BETWEEN THEM THROUGH COMMUNICATIONS LINKS AND/OR SWITCHING SYSTEMS; COMPUTER PROGRAMS FOR IMPLEMENTING COMMUNICATIONS PROTOCOLS AND INSTRUCTIONAL MANUALS; AND DATA IN ELECTRONIC STORED OR PRINTED FORM FOR IMPLEMENTING A COMMUNICATION PROTOCOL, SOLD AS A UNIT