TOPS


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TOPS

(1) A family of operating systems from Digital Equipment that ran on the PDP-6, DECsystem 10 and DECsystem 20 computers. TOPS was later renamed TOPS-10, and TOPS-20 was a completely new OS based on TENEX, developed by Dan Murphy at Digital and members of BBN. TOPS-20 added advanced features for the mid-1970s such as virtual memory.

(2) (Transparent OPerating System) An earlier peer-to-peer LAN from Sitka Corporation, Alameda, CA, that used the LocalTalk access method and connected Apple computers, PCs and Sun workstations. Its Flashcard plugged LocalTalk capability into PCs.
References in classic literature ?
A small wool hat rested on the top of his nose, for so his scanty strip of forehead might be called, and the skirts of his black coat fluttered out almost to the horses tail.
Hide a jelly belly with a mesh top, and disguise thunder thighs with a cute swim skirt.
Draw eyes away by picking a suit with interest up top.