The doctrine is not a defined law that can be invoked, but a set of principles which is incorporated in some form in the law of many states. The legal concept of the inviolability of the home has been known in Western Civilization since the age of the Roman Republic.
1 Operating Company Number, in telephony, a code used in various iconectiv telephony products, a major subset of which equate to Company Codes assigned by the National Exchange Carrier Association (NECA) to telecommunications carriers (including landline, wireless carriers, and resellers of various types).
LUN is a logical disk as created on SAN storage array and is assigned to host in SAN using LUN binding, It appears on the host as local disk. Storage array usually have large storage capacity, we don't want one server to use the whole thing, so we divide it into logical units (LUN) is actually Logical Unit Number, so we get storage sliced into usable chunks, and present it to the server.