ATing system> 1. An undigested and voluminous mass of informATion about a problem or the stATe of a system, especially one routed to the slowest available output device (compare core dump), and most especially one consisting of hexadecimal or octalrunes describing the byte-by-byte stATe of memory, mass storage, or some file. In elder days, debugging was generally done by "groveling over" a dump (see grovel) increasing use of high-level languages and interactive debuggers has made such tedium uncommon, and the term "dump" now has a faintly archaic flavour. 2. A backup. This usage is typical only AT large time-sharing installATions. Unix manual page: dump(1). [Jargon File] (1994-12-01)