The Jargon File, Version 2.9.10, 01 Jul 1992

Chapter V: Rare: book (1)

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[]
Common: left/right square bracket; <opening/closing bracket>;
bracket/unbracket; left/right bracket. Rare: square/unsquare;
[U turn/U turn back].

\
Common: backslash; escape (from C/UNIX); reverse slash; slosh;
backslant; backwhack. Rare: bash; <reverse slant>; reversed
virgule; [backslat].

^
Common: hat; control; uparrow; caret; <circumflex>. Rare:
chevron; [shark (or shark-fin)]; to the (`to the power of');
fang; pointer (in Pascal).

_
Common: <underline>; underscore; underbar; under. Rare:
score; backarrow; skid; [flatworm].

`
Common: backquote; left quote; left single quote; open quote;
<grave accent>; grave. Rare: backprime; [backspark];
unapostrophe; birk; blugle; back tick; back glitch; push;
<opening single quotation mark>; quasiquote.

{}
Common: open/close brace; left/right brace; left/right
squiggly; left/right squiggly bracket/brace; left/right curly
bracket/brace; <opening/closing brace>. Rare: brace/unbrace;
curly/uncurly; leftit/rytit; left/right squirrelly;
[embrace/bracelet].

|
Common: bar; or; or-bar; v-bar; pipe; vertical bar. Rare:
<vertical line>; gozinta; thru; pipesinta (last three from
UNIX); [spike].

~
Common: <tilde>; squiggle; {twiddle}; not. Rare: approx;
wiggle; swung dash; enyay; [sqiggle (sic)].

The pronunciation of `#' as `pound' is common in the U.S.
but a bad idea; {{Commonwealth Hackish}} has its own, rather more
apposite use of `pound sign' (confusingly, on British keyboards
the pound graphic
happens to replace `#'; thus Britishers sometimes
call `#' on a U.S.-ASCII keyboard `pound', compounding the
American error). The U.S. usage derives from an old-fashioned
commercial practice of using a `#' suffix to tag pound weights
on bills of lading. The character is usually pronounced `hash'
outside the U.S.

The `uparrow' name for circumflex and `leftarrow' name for
underline are historical relics from archaic ASCII (the 1963
version), which had these graphics in those character positions
rather than the modern punctuation characters.

The `swung dash' or `approximation' sign is not quite the same
as tilde in typeset material
but the ASCII tilde serves for both (compare {angle
brackets}).

Some other common usages cause odd overlaps. The `#',
`$', `>', and `&' characters, for example, are all
pronounced "hex" in different communities because various
assemblers use them as a prefix tag for hexadecimal constants (in
particular, `#' in many assembler-programming cultures,
`$' in the 6502 world, `>' at Texas Instruments, and
`&' on the BBC Micro, Sinclair, and some Z80 machines). See
also {splat}.

The inability of ASCII text to correctly represent any of the
world's other major languages makes the designers' choice of 7 bits
look more and more like a serious {misfeature} as the use of
international networks continues to increase (see {software
rot}). Hardware and software from the U.S. still tends to embody
the assumption that ASCII is the universal character set; this is a
a major irritant to people who want to use a character set suited
to their own languages. Perversely, though, efforts to solve this
problem by proliferating `national' character sets produce an
evolutionary pressure to use a *smaller* subset common to all
those in use.

:ASCII art: n. The fine art of drawing diagrams using the ASCII
character set (mainly `|', `-', `/', `\', and
`+'). Also known as `character graphics' or `ASCII
graphics'; see also {boxology}. Here is a serious example:

o----)||(--+--|<----+ +---------o + D O
L )||( | | | C U
A I )||( +-->|-+ | +-\/\/-+--o - T
C N )||( | | | | P
E )||( +-->|-+--)---+--)|--+-o U
)||( | | | GND T
o----)||(--+--|<----+----------+

A power supply consisting of a full
wave rectifier circuit feeding a
capacitor input filter circuit

Figure 1.

And here are some very silly examples:

|\/\/\/| ____/| ___ |\_/| ___
| | \ o.O| ACK! / \_ |` '| _/ \
| | =(_)= THPHTH! / \/ \/ \
| (o)(o) U / \
C _) (__) \/\/\/\ _____ /\/\/\/
| ,___| (oo) \/ \/
| / \/-------\ U (__)
/____\ || | \ /---V `v'- oo )
/ \ ||---W|| * * |--| || |`. |_/\

Figure 2.

There is an important subgenre of humorous ASCII art that takes
advantage of the names of the various characters to tell a
pun-based joke.

+--------------------------------------------------------+
| ^^^^^^^^^^^^ |
| ^^^^^^^^^^^ ^^^^^^^^^ |
| ^^^^^^^^^^^^^ ^^^^^^^^^^^^^ |
| ^^^^^^^ B ^^^^^^^^^ |
| ^^^^^^^^^ ^^^ ^^^^^^^^^^^^^^ |
+--------------------------------------------------------+
" A Bee in the Carrot Patch "

Figure 3.

Within humorous ASCII art, there is for some reason an entire
flourishing subgenre of pictures of silly cows. Four of these are
reproduced in Figure 2; here are three more:

(__) (__) (__)
(\/) ($$) (**)
/-------\/ /-------\/ /-------\/
/ | 666 || / |=====|| / | ||
* ||----|| * ||----|| * ||----||
~~ ~~ ~~ ~~ ~~ ~~
Satanic cow This cow is a Yuppie Cow in love

Figure 4.

:attoparsec: n. `atto-' is the standard SI prefix for
multiplication by 10^(-18). A parsec (parallax-second) is
3.26 light-years; an attoparsec is thus 3.26 * 10^(-18) light
years, or about 3.1 cm (thus, 1 attoparsec/{microfortnight}
equals about 1 inch/sec). This unit is reported to be in use
(though probably not very seriously) among hackers in the U.K. See
{micro-}.

:autobogotiphobia: /aw'to-boh-got`*-foh'bee-*/ n. See {bogotify}.

:automagically: /aw-toh-maj'i-klee/ or /aw-toh-maj'i-k*l-ee/ adv.
Automatically, but in a way that, for some reason (typically
because it is too complicated, or too ugly, or perhaps even too
trivial), the speaker doesn't feel like explaining to you. See
{magic}. "The C-INTERCAL compiler generates C, then automagically
invokes `cc(1)' to produce an executable."

:avatar: [CMU, Tektronix] n. Syn. {root}, {superuser}. There
are quite a few UNIX machines on which the name of the superuser
account is `avatar' rather than `root'. This quirk was
originated by a CMU hacker who disliked the term `superuser',
and was propagated through an ex-CMU hacker at Tektronix.

:awk: 1. n. [UNIX techspeak] An interpreted language for massaging
text data developed by Alfred Aho, Peter Weinberger, and Brian
Kernighan (the name is from their initials). It is characterized
by C-like syntax, a declaration-free approach to variable typing
and declarations, associative arrays, and field-oriented text
processing. See also {Perl}. 2. n. Editing term for an
expression awkward to manipulate through normal {regexp}
facilities (for example, one containing a {newline}). 3. vt. To
process data using `awk(1)'.

= B = =====

:back door: n. A hole in the security of a system deliberately left
in place by designers or maintainers. The motivation for this is
not always sinister; some operating systems, for example, come out
of the box with privileged accounts intended for use by field
service technicians or the vendor's maintenance programmers.

Historically, back doors have often lurked in systems longer than
anyone expected or planned, and a few have become widely known.
The infamous {RTM} worm of late 1988, for example, used a back door
in the {BSD} UNIX `sendmail(8)' utility.

Ken Thompson's 1983 Turing Award lecture to the ACM revealed the
existence of a back door in early UNIX versions that may have
qualified as the most fiendishly clever security hack of all time.
The C compiler contained code that would recognize when the
`login' command was being recompiled and insert some code
recognizing a password chosen by Thompson, giving him entry to the
system whether or not an account had been created for him.

Normally such a back door could be removed by removing it from the
source code for the compiler and recompiling the compiler. But to
recompile the compiler, you have to *use* the compiler --- so
Thompson also arranged that the compiler would *recognize when
it was compiling a version of itself*, and insert into the
recompiled compiler the code to insert into the recompiled `login'
the code to allow Thompson entry --- and, of course, the code to
recognize itself and do the whole thing again the next time around!
And having done this once, he was then able to recompile the
compiler from the original sources, leaving his back door in place
and active but with no trace in the sources.

The talk that revealed this truly moby hack was published as
"Reflections on Trusting Trust", `Communications of the
ACM 27', 8 (August 1984), pp. 761--763.

Syn. {trap door}; may also be called a `wormhole'. See also
{iron box}, {cracker}, {worm}, {logic bomb}.

:backbone cabal: n. A group of large-site administrators who pushed
through the {Great Renaming} and reined in the chaos of {USENET}
during most of the 1980s. The cabal {mailing list} disbanded in
late 1988 after a bitter internal catfight, but the net hardly
noticed.

:backbone site: n. A key USENET and email site; one that processes
a large amount of third-party traffic, especially if it is the home
site of any of the regional coordinators for the USENET maps.
Notable backbone sites as of early 1991 include uunet and the
mail machines at Rutgers University, UC Berkeley, DEC's Western
Research Laboratories, Ohio State University, and the University of
Texas. Compare {rib site}, {leaf site}.

:backgammon:: See {bignum}, {moby}, and {pseudoprime}.

:background: n.,adj.,vt. To do a task `in background' is to do
it whenever {foreground} matters are not claiming your undivided
attention, and `to background' something means to relegate it to
a lower priority. "For now, we'll just print a list of nodes and
links; I'm working on the graph-printing problem in background."
Note that this implies ongoing activity but at a reduced level or
in spare time, in contrast to mainstream `back burner' (which
connotes benign neglect until some future resumption of activity).
Some people prefer to use the term for processing that they have
queued up for their unconscious minds (a tack that one can often
fruitfully take upon encountering an obstacle in creative work).
Compare {amp off}, {slopsucker}.

Technically, a task running in background is detached from the
terminal where it was started (and often running at a lower
priority); oppose {foreground}. Nowadays this term is primarily
associated with {{UNIX}}, but it appears to have been first used
in this sense on OS/360.

:backspace and overstrike: interj. Whoa! Back up. Used to suggest
that someone just said or did something wrong. Common among
APL programmers.

:backward combatability: /bak'w*rd k*m-bat'*-bil'*-tee/ [from
`backward compatibility'] n. A property of hardware or software
revisions in which previous protocols, formats, and layouts are
discarded in favor of `new and improved' protocols, formats, and
layouts. Occurs usually when making the transition between major
releases. When the change is so drastic that the old formats are
not retained in the new version, it is said to be `backward
combatable'. See {flag day}.

:BAD: /B-A-D/ [IBM: acronym, `Broken As Designed'] adj. Said
of a program that is {bogus} because of bad design and misfeatures
rather than because of bugginess. See {working as designed}.

:Bad Thing: [from the 1930 Sellar & Yeatman parody `1066 And
All That'] n. Something that can't possibly result in improvement
of the subject. This term is always capitalized, as in "Replacing
all of the 9600-baud modems with bicycle couriers would be a Bad
Thing". Oppose {Good Thing}. British correspondents confirm
that {Bad Thing} and {Good Thing} (and prob. therefore {Right
Thing} and {Wrong Thing}) come from the book referenced in the
etymology, which discusses rulers who were Good Kings but Bad
Things. This has apparently created a mainstream idiom on the
British side of the pond.

:bag on the side: n. An extension to an established hack that is
supposed to add some functionality to the original. Usually
derogatory, implying that the original was being overextended and
should have been thrown away, and the new product is ugly,
inelegant, or bloated. Also v. phrase, `to hang a bag on the side
[of]'. "C++? That's just a bag on the side of C ...."
"They want me to hang a bag on the side of the accounting
system."

:bagbiter: /bag'bi:t-*r/ n. 1. Something, such as a program or a
computer, that fails to work, or works in a remarkably clumsy
manner. "This text editor won't let me make a file with a line
longer than 80 characters! What a bagbiter!" 2. A person who has
caused you some trouble, inadvertently or otherwise, typically by
failing to program the computer properly. Synonyms: {loser},
{cretin}, {chomper}. 3. adj. `bagbiting' Having the
quality of a bagbiter. "This bagbiting system won't let me
compute the factorial of a negative number." Compare {losing},
{cretinous}, {bletcherous}, `barfucious' (under
{barfulous}) and `chomping' (under {chomp}). 4. `bite
the bag' vi. To fail in some manner. "The computer keeps crashing
every 5 minutes." "Yes, the disk controller is really biting the
bag." The original loading of these terms was almost undoubtedly
obscene, possibly referring to the scrotum, but in their current
usage they have become almost completely sanitized.

A program called Lexiphage on the old MIT AI PDP-10 would draw on
a selected victim's bitmapped terminal the words "THE BAG" in
ornate letters, and then a pair of jaws biting pieces of it off.
This is the first and to date only known example of a program
*intended* to be a bagbiter.

:bamf: /bamf/ 1. [from old X-Men comics] interj. Notional sound
made by a person or object teleporting in or out of the hearer's
vicinity. Often used in {virtual reality} (esp. {MUD})
electronic {fora} when a character wishes to make a dramatic
entrance or exit. 2. The sound of magical transformation, used in
virtual reality {fora} like sense 1. 3. [from `Don
Washington's Survival Guide'] n. Acronym for `Bad-Ass Mother
Fucker', used to refer to one of the handful of nastiest monsters
on an LPMUD or other similar MUD.

:banana label: n. The labels often used on the sides of {macrotape}
reels, so called because they are shaped roughly like blunt-ended
bananas. This term, like macrotapes themselves, is still current
but visibly headed for obsolescence.

:banana problem: n. [from the story of the little girl who said "I
know how to spell `banana', but I don't know when to stop"]. Not
knowing where or when to bring a production to a close (compare
{fencepost error}). One may say `there is a banana problem' of an
algorithm with poorly defined or incorrect termination conditions,
or in discussing the evolution of a design that may be succumbing
to featuritis (see also {creeping elegance}, {creeping
featuritis}). See item 176 under {HAKMEM}, which describes a
banana 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 {bang 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 dial-up
UUCP links would cause week-long transmission times. Bang paths
were often selected by both transmission time and reliability, as
messages would often get lost. See {{Internet address}},
{network, the}, and {sitename}.

:banner: n. 1. The title page added to printouts by most print
spoolers (see {spool}). Typically includes user or account ID
information in very large character-graphics capitals. Also called
a `burst page', because it indicates where to burst (tear apart)
fanfold paper to separate one user's printout from the next. 2. A
similar printout generated (typically on multiple pages of fan-fold
paper) from user-specified text, e.g., by a program such as UNIX's
`banner({1,6})'. 3. On interactive software, a first screen
containing a logo and/or author credits and/or a copyright notice.

:bar: /bar/ n. 1. The second {metasyntactic variable}, after {foo}
and before {baz}. "Suppose we have two functions: FOO and BAR.
FOO calls BAR...." 2. Often appended to {foo} to produce
{foobar}.

:bare metal: n. 1. New computer hardware, unadorned with such
snares and delusions as an {operating system}, an {HLL}, or
even assembler. Commonly used in the phrase `programming on the
bare metal', which refers to the arduous work of {bit bashing}
needed to create these basic tools for a new machine. Real
bare-metal programming involves things like building boot proms and
BIOS chips, implementing basic monitors used to test device
drivers, and writing the assemblers that will be used to write the
compiler back ends that will give the new machine a real
development environment. 2. `Programming on the bare metal' is
also used to describe a style of {hand-hacking} that relies on
bit-level peculiarities of a particular hardware design, esp.
tricks for speed and space optimization that rely on crocks such as
overlapping instructions (or, as in the famous case described in
{The Story of Mel, a Real Programmer} (in {appendix A}),
interleaving of opcodes on a magnetic drum to minimize fetch delays
due to the device's rotational latency). This sort of thing has
become less common as the relative costs of programming time and
machine resources have changed, but is still found in heavily
constrained environments such as industrial embedded systems. See
{real programmer}.

In the world of personal computing, bare metal programming
(especially in sense 1 but sometimes also in sense 2) is often
considered a {Good Thing}, or at least a necessary evil
(because these machines have often been sufficiently slow and
poorly designed to make it necessary; see {ill-behaved}).
There, the term usually refers to bypassing the BIOS or OS
interface and writing the application to directly access device
registers and machine addresses. "To get 19.2 kilobaud on the
serial port, you need to get down to the bare metal." People who
can do this sort of thing are held in high regard.

:barf: /barf/ [from mainstream slang meaning `vomit']
1. interj. Term of disgust. This is the closest hackish
equivalent of the Val\-speak "gag me with a spoon". (Like, euwww!)
See {bletch}. 2. vi. To say "Barf!" or emit some similar
expression of disgust. "I showed him my latest hack and he
barfed" means only that he complained about it, not that he
literally vomited. 3. vi. To fail to work because of unacceptable
input. May mean to give an error message. Examples: "The
division operation barfs if you try to divide by 0." (That is,
the division operation checks for an attempt to divide by zero, and
if one is encountered it causes the operation to fail in some
unspecified, but generally obvious, manner.) "The text editor
barfs if you try to read in a new file before writing out the old
one." See {choke}, {gag}. In Commonwealth hackish,
`barf' is generally replaced by `puke' or `vom'. {barf}
is sometimes also used as a {metasyntactic variable}, like {foo} or
{bar}.

:barfmail: n. Multiple {bounce message}s accumulating to the
level of serious annoyance, or worse. The sort of thing that
happens when an inter-network mail gateway goes down or
wonky.

:barfulation: /bar`fyoo-lay'sh*n/ interj. Variation of {barf}
used around the Stanford area. An exclamation, expressing disgust.
On seeing some particularly bad code one might exclaim,
"Barfulation! Who wrote this, Quux?"

:barfulous: /bar'fyoo-l*s/ adj. (alt. `barfucious',
/bar-fyoo-sh*s/) Said of something that would make anyone barf,
if only for esthetic reasons.

:barney: n. In Commonwealth hackish, `barney' is to {fred}
(sense #1) as {bar} is to {foo}. That is, people who
commonly use `fred' as their first metasyntactic variable will
often use `barney' second. The reference is, of course, to Fred
Flintstone and Barney Rubble in the Flintstones cartoons.

:baroque: adj. Feature-encrusted; complex; gaudy; verging on
excessive. Said of hardware or (esp.) software designs, this has
many of the connotations of {elephantine} or {monstrosity} but is
less extreme and not pejorative in itself. "Metafont even has
features to introduce random variations to its letterform output.
Now *that* is baroque!" See also {rococo}.

:BartleMUD: /bar'tl-muhd/ n. Any of the MUDs derived from the
original MUD game by Richard Bartle and Roy Trubshaw (see
{MUD}). BartleMUDs are noted for their (usually slightly
offbeat) humor, dry but friendly syntax, and lack of adjectives in
object descriptions, so a player is likely to come across
`brand172', for instance (see {brand brand brand}). Bartle has
taken a bad rap in some MUDding circles for supposedly originating
this term, but (like the story that MUD is a trademark) this
appears to be a myth; he uses `MUD1'.

:BASIC: n. A programming language, originally designed for
Dartmouth's experimental timesharing system in the early 1960s,
which has since become the leading cause of brain-damage in
proto-hackers. This is another case (like {Pascal}) of the bad
things that happen when a language deliberately designed as an
educational toy gets taken too seriously. A novice can write short
BASIC programs (on the order of 10--20 lines) very easily; writing
anything longer is (a) very painful, and (b) encourages bad habits
that will bite him/her later if he/she tries to hack in a real
language. This wouldn't be so bad if historical accidents hadn't
made BASIC so common on low-end micros. As it is, it ruins
thousands of potential wizards a year.

:batch: adj. 1. Non-interactive. Hackers use this somewhat more
loosely than the traditional technical definitions justify; in
particular, switches on a normally interactive program that prepare
it to receive non-interactive command input are often referred to
as `batch mode' switches. A `batch file' is a series of
instructions written to be handed to an interactive program running
in batch mode. 2. Performance of dreary tasks all at one sitting.
"I finally sat down in batch mode and wrote out checks for all
those bills; I guess they'll turn the electricity back on next
week..." 3. Accumulation of a number of small tasks that can be
lumped together for greater efficiency. "I'm batching up those
letters to send sometime" "I'm batching up bottles to take to the
recycling center."

:bathtub curve: n. Common term for the curve (resembling an
end-to-end section of one of those claw-footed antique bathtubs)
that describes the expected failure rate of electronics with time:
initially high, dropping to near 0 for most of the system's
lifetime, then rising again as it `tires out'. See also {burn-in
period}, {infant mortality}.

:baud: /bawd/ [simplified from its technical meaning] n. Bits per
second. Hence kilobaud or Kbaud, thousands of bits per second.
The technical meaning is `level transitions per second'; this
coincides with bps only for two-level modulation with no framing or
stop bits. Most hackers are aware of these nuances but blithely
ignore them.

Histotical note: this was originally a unit of telegraph signalling
speed, set at one pulse per second. It was proposed at the
International Telegraph Conference of 1927, and named after J.M.E.
Baudot (1845-1903), the French engineer who constructed the first
successful teleprinter.

:baud barf: /bawd barf/ n. The garbage one gets on the monitor
when using a modem connection with some protocol setting (esp.
line speed) incorrect, or when someone picks up a voice extension
on the same line, or when really bad line noise disrupts the
connection. Baud barf is not completely {random}, by the way;
hackers with a lot of serial-line experience can usually tell
whether the device at the other end is expecting a higher or lower
speed than the terminal is set to. *Really* experienced ones
can identify particular speeds.

:baz: /baz/ n. 1. The third {metasyntactic variable} "Suppose we
have three functions: FOO, BAR, and BAZ. FOO calls BAR, which
calls BAZ...." (See also {fum}) 2. interj. A term of mild
annoyance. In this usage the term is often drawn out for 2 or 3
seconds, producing an effect not unlike the bleating of a sheep;
/baaaaaaz/. 3. Occasionally appended to {foo} to produce
`foobaz'.

Earlier versions of this lexicon derived `baz' as a Stanford
corruption of {bar}. However, Pete Samson (compiler of the
{TMRC} lexicon) reports it was already current when he joined TMRC
in 1958. He says "It came from `Pogo'. Albert the Alligator,
when vexed or outraged, would shout `Bazz Fazz!' or `Rowrbazzle!'
The club layout was said to model the (mythical) New England
counties of Rowrfolk and Bassex (Rowrbazzle mingled with
(Norfolk/Suffolk/Middlesex/Essex)."

:bboard: /bee'bord/ [contraction of `bulletin board'] n.
1. Any electronic bulletin board; esp. used of {BBS} systems
running on personal micros, less frequently of a USENET
{newsgroup} (in fact, use of the term for a newsgroup generally
marks one either as a {newbie} fresh in from the BBS world or as
a real old-timer predating USENET). 2. At CMU and other colleges
with similar facilities, refers to campus-wide electronic bulletin
boards. 3. The term `physical bboard' is sometimes used to
refer to a old-fashioned, non-electronic cork memo board. At CMU,
it refers to a particular one outside the CS Lounge.

In either of senses 1 or 2, the term is usually prefixed by the
name of the intended board (`the Moonlight Casino bboard' or
`market bboard'); however, if the context is clear, the better-read
bboards may be referred to by name alone, as in (at CMU) "Don't
post for-sale ads on general".

:BBS: /B-B-S/ [abbreviation, `Bulletin Board System'] n. An electronic
bulletin board system; that is, a message database where people can
log in and leave broadcast messages for others grouped (typically)
into {topic group}s. Thousands of local BBS systems are in
operation throughout the U.S., typically run by amateurs for fun
out of their homes on MS-DOS boxes with a single modem line each.
Fans of USENET and Internet or the big commercial timesharing
bboards such as CompuServe and GEnie tend to consider local BBSes
the low-rent district of the hacker culture, but they serve a
valuable function by knitting together lots of hackers and users in
the personal-micro world who would otherwise be unable to exchange
code at all.

:beam: [from Star Trek Classic's "Beam me up, Scotty!"] vt. To
transfer {softcopy} of a file electronically; most often in
combining forms such as `beam me a copy' or `beam that over to
his site'. Compare {blast}, {snarf}, {BLT}.

:beanie key: [Mac users] n. See {command key}.

:beep: n.,v. Syn. {feep}. This term seems to be preferred among micro
hobbyists.

:beige toaster: n. A Macintosh. See {toaster}; compare
{Macintrash}, {maggotbox}.

:bells and whistles: [by analogy with the toyboxes on theater
organs] n. Features added to a program or system to make it more
{flavorful} from a hacker's point of view, without necessarily
adding to its utility for its primary function. Distinguished from
{chrome}, which is intended to attract users. "Now that we've
got the basic program working, let's go back and add some bells and
whistles." No one seems to know what distinguishes a bell from a
whistle.

:bells, whistles, and gongs: n. A standard elaborated form of
{bells and whistles}; typically said with a pronounced and ironic
accent on the `gongs'.

:benchmark: [techspeak] n. An inaccurate measure of computer
performance. "In the computer industry, there are three kinds of
lies: lies, damn lies, and benchmarks." Well-known ones include
Whetstone, Dhrystone, Rhealstone (see {h}), the Gabriel LISP
benchmarks (see {gabriel}), the SPECmark suite, and LINPACK. See
also {machoflops}, {MIPS}, {smoke and mirrors}.

:Berkeley Quality Software: adj. (often abbreviated `BQS') Term used
in a pejorative sense to refer to software that was apparently
created by rather spaced-out hackers late at night to solve some
unique problem. It usually has nonexistent, incomplete, or
incorrect documentation, has been tested on at least two examples,
and core dumps when anyone else attempts to use it. This term was
frequently applied to early versions of the `dbx(1)' debugger.
See also {Berzerkeley}.

:berklix: /berk'liks/ n.,adj. [contraction of `Berkeley UNIX'] See
{BSD}. Not used at Berkeley itself. May be more common among
{suit}s attempting to sound like cognoscenti than among hackers,
who usually just say `BSD'.

:berserking: vi. A {MUD} term meaning to gain points *only*
by killing other players and mobiles (non-player characters).
Hence, a Berserker-Wizard is a player character that has achieved
enough points to become a wizard, but only by killing other
characters. Berserking is sometimes frowned upon because of its
inherently antisocial nature, but some MUDs have a `berserker
mode' in which a player becomes *permanently* berserk, can
never flee from a fight, cannot use magic, gets no score for
treasure, but does get double kill points. "Berserker
wizards can seriously damage your elf!"

:Berzerkeley: /b*r-zer'klee/ [from `berserk', via the name of a
now-deceased record label] n. Humorous distortion of `Berkeley'
used esp. to refer to the practices or products of the
{BSD} UNIX hackers. See {software bloat}, {Missed'em-five},
{Berkeley Quality Software}.

Mainstream use of this term in reference to the cultural and
political peculiarities of UC Berkeley as a whole has been reported
from as far back as the 1960s.

:beta: /bay't*/, /be't*/ or (Commonwealth) /bee't*/ n. 1. In
the {Real World}, software often goes through two stages of
testing: Alpha (in-house) and Beta (out-house?). Software is said
to be `in beta'. 2. Anything that is new and experimental is in
beta. "His girlfriend is in beta" means that he is still testing
for compatibility and reserving judgment. 3. Beta software is
notoriously buggy, so `in beta' connotes flakiness.

Historical note: More formally, to beta-test is to test a
pre-release (potentially unreliable) version of a piece of software
by making it available to selected customers and users. This term
derives from early 1960s terminology for product cycle checkpoints,
first used at IBM but later standard throughout the industry.
`Alpha Test' was the unit, module, or component test phase; `Beta
Test' was initial system test. These themselves came from earlier
A- and B-tests for hardware. The A-test was a feasibility and
manufacturability evaluation done before any commitment to design
and development. The B-test was a demonstration that the
engineering model functioned as specified. The C-test
(corresponding to today's beta) was the B-test performed on early
samples of the production design.

:BFI: /B-F-I/ n. See {brute force and ignorance}. Also
encountered in the variants `BFMI', `brute force and
*massive* ignorance' and `BFBI' `brute force and bloody
ignorance'.

:bible: n. 1. One of a small number of fundamental source books
such as {Knuth} and {K&R}. 2. The most detailed and
authoritative reference for a particular language, operating
system, or other complex software system.

:BiCapitalization: n. The act said to have been performed on
trademarks (such as {PostScript}, NeXT, {NeWS}, VisiCalc,
FrameMaker, TK!solver, EasyWriter) that have been raised above the
ruck of common coinage by nonstandard capitalization. Too many
{marketroid} types think this sort of thing is really cute, even
the 2,317th time they do it. Compare {studlycaps}.

:BIFF: /bif/ [USENET] n. The most famous {pseudo}, and the
prototypical {newbie}. Articles from BIFF are characterized by
all uppercase letters sprinkled liberally with bangs, typos,
`cute' misspellings (EVRY BUDY LUVS GOOD OLD BIFF CUZ HE"S A
K00L DOOD AN HE RITES REEL AWESUM THINGZ IN CAPITULL LETTRS LIKE
THIS!!!), use (and often misuse) of fragments of {talk mode}
abbreviations, a long {sig block} (sometimes even a {doubled
sig}), and unbounded na"ivet'e. BIFF posts articles using his
elder brother's VIC-20. BIFF's location is a mystery, as his
articles appear to come from a variety of sites. However,
{BITNET} seems to be the most frequent origin. The theory that
BIFF is a denizen of BITNET is supported by BIFF's (unfortunately
invalid) electronic mail address: [email protected].

:biff: /bif/ vt. To notify someone of incoming mail. From the
BSD utility `biff(1)', which was in turn named after a
friendly golden Labrador who used to chase frisbees in the halls at
UCB while 4.2BSD was in development (it had a well-known habit of
barking whenever the mailman came). No relation to
{BIFF}.

:Big Gray Wall: n. What faces a {VMS} user searching for
documentation. A full VMS kit comes on a pallet, the documentation
taking up around 15 feet of shelf space before the addition of
layered products such as compilers, databases, multivendor
networking, and programming tools. Recent (since VMS version 5)
DEC documentation comes with gray binders; under VMS version 4 the
binders were orange (`big orange wall'), and under version 3 they
were blue. See {VMS}. Often contracted to `Gray Wall'.

:big iron: n. Large, expensive, ultra-fast computers. Used generally
of {number-crunching} supercomputers such as Crays, but can include
more conventional big commercial IBMish mainframes. Term of
approval; compare {heavy metal}, oppose {dinosaur}.

:Big Red Switch: [IBM] n. The power switch on a computer, esp. the
`Emergency Pull' switch on an IBM {mainframe} or the power switch
on an IBM PC where it really is large and red. "This !@%$%
{bitty box} is hung again; time to hit the Big Red Switch."
Sources at IBM report that, in tune with the company's passion for
{TLA}s, this is often abbreviated as `BRS' (this has also
become established on FidoNet and in the PC {clone} world). It
is alleged that the emergency pull switch on an IBM 360/91 actually
fired a non-conducting bolt into the main power feed; the BRSes on
more recent machines physically drop a block into place so that
they can't be pushed back in. People get fired for pulling them,
especially inappropriately (see also {molly-guard}). Compare
{power cycle}, {three-finger salute}, {120 reset}; see
also {scram switch}.

:Big Room, the: n. The extremely large room with the blue ceiling
and intensely bright light (during the day) or black ceiling with
lots of tiny night-lights (during the night) found outside all
computer installations. "He can't come to the phone right now,
he's somewhere out in the Big Room."

:big win: n. Serendipity. "Yes, those two physicists discovered
high-temperature superconductivity in a batch of ceramic that had
been prepared incorrectly according to their experimental schedule.
Small mistake; big win!" See {win big}.

:big-endian: [From Swift's `Gulliver's Travels' via the famous
paper `On Holy Wars and a Plea for Peace' by Danny Cohen,
USC/ISI IEN 137, dated April 1, 1980] adj. 1. Describes a computer
architecture in which, within a given multi-byte numeric
representation, the most significant byte has the lowest address
(the word is stored `big-end-first'). Most processors,
including the IBM 370 family, the {PDP-10}, the Motorola
microprocessor families, and most of the various RISC designs
current in mid-1991, are big-endian. See {little-endian},
{middle-endian}, {NUXI problem}. 2. An {{Internet address}}
the wrong way round. Most of the world follows the Internet
standard and writes email addresses starting with the name of the
computer and ending up with the name of the country. In the U.K.
the Joint Networking Team had decided to do it the other way round
before the Internet domain standard was established; e.g.,
[email protected]. Most gateway sites have {ad-hockery} in
their mailers to handle this, but can still be confused. In
particular, the address above could be in the U.K. (domain uk)
or Czechoslovakia (domain cs).

:bignum: /big'nuhm/ [orig. from MIT MacLISP] n. 1. [techspeak] A
multiple-precision computer representation for very large integers.
More generally, any very large number. "Have you ever looked at
the United States Budget? There's bignums for you!"
2. [Stanford] In backgammon, large numbers on the dice are called
`bignums', especially a roll of double fives or double sixes
(compare {moby}, sense 4). See also {El Camino Bignum}.

Sense 1 may require some explanation. Most computer languages
provide a kind of data called `integer', but such computer
integers are usually very limited in size; usually they must be
smaller than than 2^(31) (2,147,483,648) or (on a losing
{bitty box}) 2^(15) (32,768). If you want to work with
numbers larger than that, you have to use floating-point numbers,
which are usually accurate to only six or seven decimal places.
Computer languages that provide bignums can perform exact
calculations on very large numbers, such as 1000! (the factorial
of 1000, which is 1000 times 999 times 998 times ... times 2
times 1). For example, this value for 1000! was computed by the
MacLISP system using bignums:

40238726007709377354370243392300398571937486421071
46325437999104299385123986290205920442084869694048
00479988610197196058631666872994808558901323829669
94459099742450408707375991882362772718873251977950
59509952761208749754624970436014182780946464962910
56393887437886487337119181045825783647849977012476
63288983595573543251318532395846307555740911426241
74743493475534286465766116677973966688202912073791
43853719588249808126867838374559731746136085379534
52422158659320192809087829730843139284440328123155
86110369768013573042161687476096758713483120254785
89320767169132448426236131412508780208000261683151
02734182797770478463586817016436502415369139828126
48102130927612448963599287051149649754199093422215
66832572080821333186116811553615836546984046708975
60290095053761647584772842188967964624494516076535
34081989013854424879849599533191017233555566021394
50399736280750137837615307127761926849034352625200
01588853514733161170210396817592151090778801939317
81141945452572238655414610628921879602238389714760
88506276862967146674697562911234082439208160153780
88989396451826324367161676217916890977991190375403
12746222899880051954444142820121873617459926429565
81746628302955570299024324153181617210465832036786
90611726015878352075151628422554026517048330422614
39742869330616908979684825901254583271682264580665
26769958652682272807075781391858178889652208164348
34482599326604336766017699961283186078838615027946
59551311565520360939881806121385586003014356945272
24206344631797460594682573103790084024432438465657
24501440282188525247093519062092902313649327349756
55139587205596542287497740114133469627154228458623
77387538230483865688976461927383814900140767310446
64025989949022222176590433990188601856652648506179
97023561938970178600408118897299183110211712298459
01641921068884387121855646124960798722908519296819
37238864261483965738229112312502418664935314397013
74285319266498753372189406942814341185201580141233
44828015051399694290153483077644569099073152433278
28826986460278986432113908350621709500259738986355
42771967428222487575867657523442202075736305694988
25087968928162753848863396909959826280956121450994
87170124451646126037902930912088908694202851064018
21543994571568059418727489980942547421735824010636
77404595741785160829230135358081840096996372524230
56085590370062427124341690900415369010593398383577
79394109700277534720000000000000000000000000000000
00000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000
000000000000000000.

:bigot: n. A person who is religiously attached to a particular
computer, language, operating system, editor, or other tool (see
{religious issues}). Usually found with a specifier; thus,
`cray bigot', `ITS bigot', `APL bigot', `VMS bigot',
`Berkeley bigot'. True bigots can be distinguished from mere
partisans or zealots by the fact that they refuse to learn
alternatives even when the march of time and/or technology is
threatening to obsolete the favored tool. It is said "You can
tell a bigot, but you can't tell him much." Compare
{weenie}.

:bit: [from the mainstream meaning and `Binary digIT'] n.
1. [techspeak] The unit of information; the amount of information
obtained by asking a yes-or-no question for which the two outcomes
are equally probable. 2. [techspeak] A computational quantity that
can take on one of two values, such as true and false or 0 and 1.
3. A mental flag: a reminder that something should be done
eventually. "I have a bit set for you." (I haven't seen you for
a while, and I'm supposed to tell or ask you something.) 4. More
generally, a (possibly incorrect) mental state of belief. "I have
a bit set that says that you were the last guy to hack on EMACS."
(Meaning "I think you were the last guy to hack on EMACS, and what
I am about to say is predicated on this, so please stop me if this
isn't true.")

"I just need one bit from you" is a polite way of indicating that
you intend only a short interruption for a question that can
presumably be answered yes or no.

A bit is said to be `set' if its value is true or 1, and
`reset' or `clear' if its value is false or 0. One speaks of
setting and clearing bits. To {toggle} or `invert' a bit is
to change it, either from 0 to 1 or from 1 to 0. See also
{flag}, {trit}, {mode bit}.

The term `bit' first appeared in print in the computer-science
sense in 1949, and seems to have been coined by early computer
scientist John Tukey. Tukey records that it evolved over a lunch
table as a handier alternative to `bigit' or `binit'.

:bit bang: n. Transmission of data on a serial line, when
accomplished by rapidly tweaking a single output bit at the
appropriate times. The technique is a simple
loop with eight OUT and SHIFT instruction pairs for each byte.
Input is more interesting. And full duplex (doing input and output
at the same time) is one way to separate the real hackers from the
{wannabee}s.

Bit bang was used on certain early models of Prime computers,
presumably when UARTs were too expensive, and on archaic Z80 micros
with a Zilog PIO but no SIO. In an interesting instance of the
{cycle of reincarnation}, this technique is now (1991) coming
back into use on some RISC architectures because it consumes such
an infinitesimal part of the processor that it actually makes sense
not to have a UART.

:bit bashing: n. (alt. `bit diddling' or {bit twiddling}) Term
used to describe any of several kinds of low-level programming
characterized by manipulation of {bit}, {flag}, {nybble},
and other smaller-than-character-sized pieces of data; these
include low-level device control, encryption algorithms, checksum
and error-correcting codes, hash functions, some flavors of
graphics programming (see {bitblt}), and assembler/compiler code
generation. May connote either tedium or a real technical
challenge (more usually the former). "The command decoding for
the new tape driver looks pretty solid but the bit-bashing for the
control registers still has bugs." See also {bit bang},
{mode bit}.

:bit bucket: n. 1. The universal data sink (originally, the
mythical receptacle used to catch bits when they fall off the end
of a register during a shift instruction). Discarded, lost, or
destroyed data is said to have `gone to the bit bucket'. On
{{UNIX}}, often used for {/dev/null}. Sometimes amplified as
`the Great Bit Bucket in the Sky'. 2. The place where all lost
mail and news messages eventually go. The selection is performed
according to {Finagle's Law}; important mail is much more likely
to end up in the bit bucket than junk mail, which has an almost
100% probability of getting delivered. Routing to the bit bucket
is automatically performed by mail-transfer agents, news systems,
and the lower layers of the network. 3. The ideal location for all
unwanted mail responses: "Flames about this article to the bit
bucket." Such a request is guaranteed to overflow one's mailbox
with flames. 4. Excuse for all mail that has not been sent. "I
mailed you those figures last week; they must have ended in the bit
bucket." Compare {black hole}.

This term is used purely in jest. It is based on the fanciful
notion that bits are objects that are not destroyed but only
misplaced. This appears to have been a mutation of an earlier term
`bit box', about which the same legend was current; old-time
hackers also report that trainees used to be told that when the CPU
stored bits into memory it was actually pulling them `out of the
bit box'. See also {chad box}.

Another variant of this legend has it that, as a consequence of the
`parity preservation law', the number of 1 bits that go to the bit
bucket must equal the number of 0 bits. Any imbalance results in
bits filling up the bit bucket. A qualified computer technician
can empty a full bit bucket as part of scheduled maintenance.

:bit decay: n. See {bit rot}. People with a physics background
tend to prefer this one for the analogy with particle decay. See
also {computron}, {quantum bogodynamics}.

:bit rot: n. Also {bit decay}. Hypothetical disease the existence
of which has been deduced from the observation that unused programs
or features will often stop working after sufficient time has
passed, even if `nothing has changed'. The theory explains that
bits decay as if they were radioactive. As time passes, the
contents of a file or the code in a program will become
increasingly garbled.

There actually are physical processes that produce such effects
(alpha particles generated by trace radionuclides in ceramic chip
packages, for example, can change the contents of a computer memory
unpredictably, and various kinds of subtle media failures can
corrupt files in mass storage), but they are quite rare (and
computers are built with error-detecting circuitry to compensate
for them). The notion long favored among hackers that cosmic
rays are among the causes of such events turns out to be a myth;
see the {cosmic rays} entry for details.

The term {software rot} is almost synonymous. Software rot is
the effect, bit rot the notional cause.

:bit twiddling: n. 1. (pejorative) An exercise in tuning (see
{tune}) in which incredible amounts of time and effort go to
produce little noticeable improvement, often with the result that
the code has become incomprehensible. 2. Aimless small
modification to a program, esp. for some pointless goal.
3. Approx. syn. for {bit bashing}; esp. used for the act of
frobbing the device control register of a peripheral in an attempt
to get it back to a known state.

:bit-paired keyboard: n. obs. (alt. `bit-shift keyboard') A
non-standard keyboard layout that seems to have originated with the
Teletype ASR-33 and remained common for several years on early
computer equipment. The ASR-33 was a mechanical device (see
{EOU}), so the only way to generate the character codes from
keystrokes was by some physical linkage. The design of the ASR-33
assigned each character key a basic pattern that could be modified
by flipping bits if the SHIFT or the CTRL key was pressed. In
order to avoid making the thing more of a Rube Goldberg kluge than
it already was, the design had to group characters that shared the
same basic bit pattern on one key.

Looking at the ASCII chart, we find:

high low bits
bits 0000 0001 0010 0011 0100 0101 0110 0111 1000 1001
010 ! " # $ % & ' ( )
011 0 1 2 3 4 5 6 7 8 9

This is why the characters !"#$%&'() appear where they do on a
Teletype (thankfully, they didn't use shift-0 for space). This was
*not* the weirdest variant of the {QWERTY} layout widely
seen, by the way; that prize should probably go to one of several
(differing) arrangements on IBM's even clunkier 026 and 029 card
punches.

When electronic terminals became popular, in the early 1970s, there
was no agreement in the industry over how the keyboards should be
laid out. Some vendors opted to emulate the Teletype keyboard,
while others used the flexibility of electronic circuitry to make
their product look like an office typewriter. These alternatives
became known as `bit-paired' and `typewriter-paired' keyboards. To
a hacker, the bit-paired keyboard seemed far more logical --- and
because most hackers in those days had never learned to touch-type,
there was little pressure from the pioneering users to adapt
keyboards to the typewriter standard.

The doom of the bit-paired keyboard was the large-scale
introduction of the computer terminal into the normal office
environment, where out-and-out technophobes were expected to use
the equipment. The `typewriter-paired' standard became universal,
`bit-paired' hardware was quickly junked or relegated to dusty
corners, and both terms passed into disuse.

:bitblt: /bit'blit/ n. [from {BLT}, q.v.] 1. Any of a family
of closely related algorithms for moving and copying rectangles of
bits between main and display memory on a bit-mapped device, or
between two areas of either main or display memory (the requirement
to do the {Right Thing} in the case of overlapping source and
destination rectangles is what makes BitBlt tricky). 2. Synonym
for {blit} or {BLT}. Both uses are borderline techspeak.

:BITNET: /bit'net/ [acronym: Because It's Time NETwork] n.
Everybody's least favorite piece of the network (see {network,
the}). The BITNET hosts are a collection of IBM dinosaurs and
VAXen (the latter with lobotomized comm hardware) that communicate
using 80-character {{EBCDIC}} card images (see {eighty-column
mind}); thus, they tend to mangle the headers and text of
third-party traffic from the rest of the ASCII/RFC-822 world with
annoying regularity. BITNET is also notorious as the apparent home
of {BIFF}.

:bits: n.pl. 1. Information. Examples: "I need some bits about file
formats." ("I need to know about file formats.") Compare {core
dump}, sense 4. 2. Machine-readable representation of a document,
specifically as contrasted with paper: "I have only a photocopy
of the Jargon File; does anyone know where I can get the bits?".
See {softcopy}, {source of all good bits} See also {bit}.

:bitty box: /bit'ee boks/ n. 1. A computer sufficiently small,
primitive, or incapable as to cause a hacker acute claustrophobia
at the thought of developing software on or for it. Especially
used of small, obsolescent, single-tasking-only personal machines
such as the Atari 800, Osborne, Sinclair, VIC-20, TRS-80, or
IBM PC. 2. [Pejorative] More generally, the opposite of `real
computer' (see {Get a real computer!}). See also {mess-dos},
{toaster}, and {toy}.

:bixie: /bik'see/ n. Variant {emoticon}s used on BIX (the Byte
Information eXchange). The {smiley} bixie is <@_@>, apparently
intending to represent two cartoon eyes and a mouth. A few others
have been reported.

:black art: n. A collection of arcane, unpublished, and (by
implication) mostly ad-hoc techniques developed for a particular
application or systems area (compare {black magic}). VLSI design
and compiler code optimization were (in their beginnings)
considered classic examples of black art; as theory developed they
became {deep magic}, and once standard textbooks had been written,
became merely {heavy wizardry}. The huge proliferation of formal
and informal channels for spreading around new computer-related
technologies during the last twenty years has made both the term
`black art' and what it describes less common than formerly. See
also {voodoo programming}.

:black hole: n. When a piece of email or netnews disappears
mysteriously between its origin and destination sites (that is,
without returning a {bounce message}) it is commonly said to have
`fallen into a black hole'. "I think there's a black hole at
foovax!" conveys suspicion that site foovax has been dropping
a lot of stuff on the floor lately (see {drop on the floor}).
The implied metaphor of email as interstellar travel is interesting
in itself. Compare {bit bucket}.

:black magic: n. A technique that works, though nobody really
understands why. More obscure than {voodoo programming}, which
may be done by cookbook. Compare also {black art}, {deep
magic}, and {magic number} (sense 2).

:blargh: /blarg/ [MIT] n. The opposite of {ping}, sense 5; an
exclamation indicating that one has absorbed or is emitting a
quantum of unhappiness. Less common than {ping}.

:blast: 1. vt.,n. Synonym for {BLT}, used esp. for large data
sends over a network or comm line. Opposite of {snarf}. Usage:
uncommon. The variant `blat' has been reported. 2. vt.
[HP/Apollo] Synonymous with {nuke} (sense 3). Sometimes the
message `Unable to kill all processes. Blast them (y/n)?' would
appear in the command window upon logout.

:blat: n. 1. Syn. {blast}, sense 1. 2. See {thud}.

:bletch: /blech/ [from Yiddish/German `brechen', to vomit, poss.
via comic-strip exclamation `blech'] interj. Term of disgust.
Often used in "Ugh, bletch". Compare {barf}.

:bletcherous: /blech'*-r*s/ adj. Disgusting in design or function;
esthetically unappealing. This word is seldom used of people.
"This keyboard is bletcherous!" (Perhaps the keys don't work very
well, or are misplaced.) See {losing}, {cretinous},
{bagbiter}, {bogus}, and {random}. The term {bletcherous}
applies to the esthetics of the thing so described; similarly for
{cretinous}. By contrast, something that is `losing' or
`bagbiting' may be failing to meet objective criteria. See also
{bogus} and {random}, which have richer and wider shades of
meaning than any of the above.

:blinkenlights: /blink'*n-li:tz/ n. Front-panel diagnostic lights
on a computer, esp. a {dinosaur}. Derives from the last word
of the famous blackletter-Gothic sign in mangled pseudo-German that
once graced about half the computer rooms in the English-speaking
world. One version ran in its entirety as follows:

ACHTUNG! ALLES LOOKENSPEEPERS! Das
computermachine ist nicht fuer gefingerpoken und mittengrabben.
Ist easy schnappen der springenwerk, blowenfusen und poppencorken
mit spitzensparken. Ist nicht fuer gewerken bei das dumpkopfen.
Das rubbernecken sichtseeren keepen das cotten-pickenen hans in das
pockets muss; relaxen und watchen das blinkenlichten.

This silliness dates back at least as far as 1959 at Stanford
University and had already gone international by the early 1960s,
when it was reported at London University's ATLAS computing site.
There are several variants of it in circulation, some of which
actually do end with the word `blinkenlights'.

In an amusing example of turnabout-is-fair-play, German hackers
have developed their own versions of the blinkenlights poster in
fractured English, one of which is reproduced here:

ATTENTION
This room is fullfilled mit special electronische equippment.
Fingergrabbing and pressing the cnoeppkes from the computers is
allowed for die experts only! So all the "lefthanders" stay away
and do not disturben the brainstorming von here working
intelligencies. Otherwise you will be out thrown and kicked
anderswhere! Also: please keep still and only watchen astaunished
the blinkenlights.

Comments

The Jargon File, Version 2.9.10, 01 Jul 1992Chapter V: Rare: book (1)

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