INT 60 - reserved for user interrupt

--------v-60
INT 60 - VIRUS - "Zero Bug" - INSTALLATION CHECK
Desc:	The "Zero Bug" virus hooks this vector.	 It considers itself installed
	  if offset 103h of the handler's segment contains the bytes "ZE"
SeeAlso: INT 32"VIRUS",INT 44"VIRUS",INT 61"SEMTEX"