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problem in a Dissociated Press implementation. Also, see one-banana problem for a superficially similar but unrelated usage.
bandwidth n. 1. Used by hackers (in a generalization of its technical meaning) as the volume of information per unit time that a computer, person, or transmission medium can handle. "Those are amazing graphics, but I missed some of the detail not enough bandwidth, I guess." Compare low-bandwidth. 2. Attention span. 3. On Usenet, a measure of network capacity that is often wasted by people complaining about how items posted by others are a waste of bandwidth.
bang 1. n. Common spoken name for '!' (ASCII 0100001), especially when used in pronouncing a bang path in spoken hackish. In elder days this was considered a CMUish usage, with MIT and Stanford hackers preferring excl or shriek; but the spread of Unix has carried 'bang' with it (esp. via the term gang path) and it is now certainly the most common spoken name for '!'. Note that it is used exclusively for non-emphatic written '!'; one would not say "Congratulations bang" (except possibly for humorous purposes), but if one wanted to specify the exact characters 'foo!' one would speak "Eff oh oh bang". See shriek, ASCII. 2. interj. An exclamation signifying roughly "I have achieved enlightenment!", or "The dynamite has cleared out my brain!'' Often used to acknowledge that one has perpetrated a thinko immediately after one has been called on it.
bang on vt. To stress-test a piece of hardware or software: "I banged on the new version of the simulator all day yesterday and it didn't crash once. I guess it is ready for release." The term pound on is synonymous.
bang path n. An old-style UUCP electronic-mail address specifying hops to get from some assumed-reachable location to the addressee, so called because each hop is signified by a bang sign. Thus, for example, the path !bigsite!foovax!barbox!me directs people to route their mail to machine bigsite (presumably a well-known location accessible to everybody) and from there through the machine foovax to the account of user me on barbox.
In the bad old days of not so long ago, before autorouting mailers became commonplace, people often published compound bang addresses using the { } convention (see glob) to give paths from several big machines, in the hopes that one's correspondent might be able to get mail to one of them reliably (example: !{seismo, ut-sally, ihnp4}!rice!beta!gamma!me). Bang paths of 8 to 10 hops were not uncommon in 1981. Late-night dialup UUCP links would cause week-long transmission times. Bang paths were

 
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