A Keyboard Video Mouse switch is provided for {HEAD ~ a set} of {TAIL ~ user interface devices} to share a plurality of computers 
A Keyboard Video Mouse switch is provided for { HEAD ~ a set } of { TAIL ~ user interface devices } to share a plurality of computers
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH