Chapter 37 of 61 · 3880 words · ~19 min read

Part 37

Node:mouse around, Next:mouse belt, Previous:mouse ahead, Up:= M =

mouse around vi.

To explore public portions of a large system, esp. a network such as Internet via FTP or TELNET, looking for interesting stuff to snarf.

Node:mouse belt, Next:mouse droppings, Previous:mouse around, Up:= M =

mouse belt n.

See rat belt.

Node:mouse droppings, Next:mouse elbow, Previous:mouse belt, Up:= M =

mouse droppings n.

[MS-DOS] Pixels (usually single) that are not properly restored when the mouse pointer moves away from a particular location on the screen, producing the appearance that the mouse pointer has left droppings behind. The major causes for this problem are programs that write to the screen memory corresponding to the mouse pointer's current location without hiding the mouse pointer first, and mouse drivers that do not quite support the graphics mode in use.

Node:mouse elbow, Next:mouso, Previous:mouse droppings, Up:= M =

mouse elbow n.

A tennis-elbow-like fatigue syndrome resulting from excessive use of a WIMP environment. Similarly, `mouse shoulder'; GLS reports that he used to get this a lot before he taught himself to be ambimoustrous.

Node:mouso, Next:MS-DOS, Previous:mouse elbow, Up:= M =

mouso /mow'soh/ n.

[by analogy with `typo'] An error in mouse usage resulting in an inappropriate selection or graphic garbage on the screen. Compare thinko, braino.

Node:MS-DOS, Next:mu, Previous:mouso, Up:= M =

MS-DOS /M-S-dos/ n.

[MicroSoft Disk Operating System] A clone of CP/M for the 8088 crufted together in 6 weeks by hacker Tim Paterson at Seattle Computer Products, who called the original QDOS (Quick and Dirty Operating System) and is said to have regretted it ever since. Microsoft licensed QDOS order to have something to demo for IBM on time, and the rest is history. Numerous features, including vaguely Unix-like but rather broken support for subdirectories, I/O redirection, and pipelines, were hacked into Microsoft's 2.0 and subsequent versions; as a result, there are two or more incompatible versions of many system calls, and MS-DOS programmers can never agree on basic things like what character to use as an option switch or whether to be case-sensitive. The resulting appalling mess is now the highest-unit-volume OS in history. Often known simply as DOS, which annoys people familiar with other similarly abbreviated operating systems (the name goes back to the mid-1960s, when it was attached to IBM's first disk operating system for the 360). The name further annoys those who know what the term operating system does (or ought to) connote; DOS is more properly a set of relatively simple interrupt services. Some people like to pronounce DOS like "dose", as in "I don't work on dose, man!", or to compare it to a dose of brain-damaging drugs (a slogan button in wide circulation among hackers exhorts: "MS-DOS: Just say No!"). See mess-dos, ill-behaved.

Node:mu, Next:MUD, Previous:MS-DOS, Up:= M =

mu /moo/

The correct answer to the classic trick question "Have you stopped beating your wife yet?". Assuming that you have no wife or you have never beaten your wife, the answer "yes" is wrong because it implies that you used to beat your wife and then stopped, but "no" is worse because it suggests that you have one and are still beating her. According to various Discordians and Douglas Hofstadter the correct answer is usually "mu", a Japanese word alleged to mean "Your question cannot be answered because it depends on incorrect assumptions". Hackers tend to be sensitive to logical inadequacies in language, and many have adopted this suggestion with enthusiasm. The word `mu' is actually from Chinese, meaning `nothing'; it is used in mainstream Japanese in that sense. Native speakers do not recognize the Discordian question-denying use, which almost certainly derives from overgeneralization of the answer in the following well-known Rinzai Zen koan:

A monk asked Joshu, "Does a dog have the Buddha nature?" Joshu retorted, "Mu!"

See also has the X nature, Some AI Koans, and Douglas Hofstadter's "Gödel, Escher, Bach: An Eternal Golden Braid" (pointer in the Bibliography in Appendix C.

Node:MUD, Next:muddie, Previous:mu, Up:= M =

MUD /muhd/ n.

[acronym, Multi-User Dungeon; alt. Multi-User Dimension] 1. A class of virtual reality experiments accessible via the Internet. These are real-time chat forums with structure; they have multiple `locations' like an adventure game, and may include combat, traps, puzzles, magic, a simple economic system, and the capability for characters to build more structure onto the database that represents the existing world. 2. vi. To play a MUD. The acronym MUD is often lowercased and/or verbed; thus, one may speak of `going mudding', etc.

Historically, MUDs (and their more recent progeny with names of MU- form) derive from a hack by Richard Bartle and Roy Trubshaw on the University of Essex's DEC-10 in the early 1980s; descendants of that game still exist today and are sometimes generically called _BartleMUD_s. There is a widespread myth (repeated, unfortunately, by earlier versions of this lexicon) that the name MUD was trademarked to the commercial MUD run by Bartle on British Telecom (the motto: "You haven't lived 'til you've died on MUD!"); however, this is false -- Richard Bartle explicitly placed `MUD' in the public domain in 1985. BT was upset at this, as they had already printed trademark claims on some maps and posters, which were released and created the myth.

Students on the European academic networks quickly improved on the MUD concept, spawning several new MUDs (VAXMUD, AberMUD, LPMUD). Many of these had associated bulletin-board systems for social interaction. Because these had an image as `research' they often survived administrative hostility to BBSs in general. This, together with the fact that Usenet feeds were often spotty and difficult to get in the U.K., made the MUDs major foci of hackish social interaction there.

AberMUD and other variants crossed the Atlantic around 1988 and quickly gained popularity in the U.S.; they became nuclei for large hacker communities with only loose ties to traditional hackerdom (some observers see parallels with the growth of Usenet in the early 1980s). The second wave of MUDs (TinyMUD and variants) tended to emphasize social interaction, puzzles, and cooperative world-building as opposed to combat and competition (in writing, these social MUDs are sometimes referred to as `MU*', with `MUD' implicitly reserved for the more game-oriented ones). By 1991, over 50% of MUD sites were of a third major variety, LPMUD, which synthesizes the combat/puzzle aspects of AberMUD and older systems with the extensibility of TinyMud. In 1996 the cutting edge of the technology is Pavel Curtis's MOO, even more extensible using a built-in object-oriented language. The trend toward greater programmability and flexibility will doubtless continue.

The state of the art in MUD design is still moving very rapidly, with new simulation designs appearing (seemingly) every month. Around 1991 there was an unsuccessful movement to deprecate the term MUD itself, as newer designs exhibit an exploding variety of names corresponding to the different simulation styles being explored. It survived. See also bonk/oif, FOD, link-dead, mudhead, talk mode.

Node:muddie, Next:mudhead, Previous:MUD, Up:= M =

muddie n.

Syn. mudhead. More common in Great Britain, possibly because system administrators there like to mutter "bloody muddies" when annoyed at the species.

Node:mudhead, Next:muggle, Previous:muddie, Up:= M =

mudhead n.

Commonly used to refer to a MUD player who eats, sleeps, and breathes MUD. Mudheads have been known to fail their degrees, drop out, etc., with the consolation, however, that they made wizard level. When encountered in person, on a MUD, or in a chat system, all a mudhead will talk about is three topics: the tactic, character, or wizard that is supposedly always unfairly stopping him/her from becoming a wizard or beating a favorite MUD; why the specific game he/she has experience with is so much better than any other; and the MUD he or she is writing or going to write because his/her design ideas are so much better than in any existing MUD. See also wannabee.

To the anthropologically literate, this term may recall the Zuni/Hopi legend of the mudheads or `koyemshi', mythical half-formed children of an unnatural union. Figures representing them act as clowns in Zuni sacred ceremonies. Others may recall the `High School Madness' sequence from the Firesign Theatre album "Don't Crush That Dwarf, Hand Me the Pliers", in which there is a character named "Mudhead".

Node:muggle, Next:multician, Previous:mudhead, Up:= M =

muggle

[from J.K. Rowling's `Harry Potter' books, 1998] A non-wizard. Not as disparaging as luser; implies vague pity rather than contempt. In the universe of Rowling's enormously (and deservedly) popular children's series, muggles and wizards inhabit the same modern world, but each group is ignorant of the commonplaces of the others' existence - most muggles are unaware that wizards exist, and wizards (used to magical ways of doing everything) are perplexed and fascinated by muggle artifacts.

In retrospect it seems completely inevitable that hackers would adopt this metaphor, and in hacker usage it readily forms compounds such as `muggle-friendly'. Compare luser, mundane.

Node:multician, Next:Multics, Previous:muggle, Up:= M =

multician /muhl-ti'shn/ n.

[coined at Honeywell, ca. 1970] Competent user of Multics. Perhaps oddly, no one has ever promoted the analogous `Unician'.

Node:Multics, Next:multitask, Previous:multician, Up:= M =

Multics /muhl'tiks/ n.

[from "MULTiplexed Information and Computing Service"] An early time-sharing operating system co-designed by a consortium including MIT, GE, and Bell Laboratories as a successor to CTSS. The design was first presented in 1965, planned for operation in 1967, first operational in 1969, and took several more years to achieve respectable performance and stability.

Multics was very innovative for its time -- among other things, it provided a hierarchical file system with access control on individual files and introduced the idea of treating all devices uniformly as special files. It was also the first OS to run on a symmetric multiprocessor, and the only general-purpose system to be awarded a B2 security rating by the NSA (see Orange Book).

Bell Labs left the development effort in 1969 after judging that second-system effect had bloated Multics to the point of practical unusability. Honeywell commercialized Multics in 1972 after buying out GE's computer group, but it was never very successful: at its peak in the 1980s, there were between 75 and 100 Multics sites, each a multi-million dollar mainframe.

One of the former Multics developers from Bell Labs was Ken Thompson, and Unix deliberately carried through and extended many of Multics' design ideas; indeed, Thompson described the very name `Unix' as `a weak pun on Multics'. For this and other reasons, aspects of the Multics design remain a topic of occasional debate among hackers. See also brain-damaged and GCOS.

MIT ended its development association with Multics in 1977. Honeywell sold its computer business to Bull in the mid 80s, and development on Multics was stopped in 1988. Four Multics sites were known to be still in use as late as 1998. There is a Multics page at http://www.stratus.com/pub/vos/multics/tvv/multics.html.

Node:multitask, Next:mumblage, Previous:Multics, Up:= M =

multitask n.

Often used of humans in the same meaning it has for computers, to describe a person doing several things at once (but see thrash). The term `multiplex', from communications technology (meaning to handle more than one channel at the same time), is used similarly.

Node:mumblage, Next:mumble, Previous:multitask, Up:= M =

mumblage /muhm'bl*j/ n.

The topic of one's mumbling (see mumble). "All that mumblage" is used like "all that stuff" when it is not quite clear how the subject of discussion works, or like "all that crap" when `mumble' is being used as an implicit replacement for pejoratives.

Node:mumble, Next:munch, Previous:mumblage, Up:= M =

mumble interj.

1. Said when the correct response is too complicated to enunciate, or the speaker has not thought it out. Often prefaces a longer answer, or indicates a general reluctance to get into a long discussion. "Don't you think that we could improve LISP performance by using a hybrid reference-count transaction garbage collector, if the cache is big enough and there are some extra cache bits for the microcode to use?" "Well, mumble ... I'll have to think about it." 2. [MIT] Expression of not-quite-articulated agreement, often used as an informal vote of consensus in a meeting: "So, shall we dike out the COBOL emulation?" "Mumble!" 3. Sometimes used as an expression of disagreement (distinguished from sense 2 by tone of voice and other cues). "I think we should buy a VAX." "Mumble!" Common variant: `mumble frotz' (see frotz; interestingly, one does not say `mumble frobnitz' even though `frotz' is short for `frobnitz'). 4. Yet another metasyntactic variable, like foo. 5. When used as a question ("Mumble?") means "I didn't understand you". 6. Sometimes used in `public' contexts on-line as a placefiller for things one is barred from giving details about. For example, a poster with pre-released hardware in his machine might say "Yup, my machine now has an extra 16M of memory, thanks to the card I'm testing for Mumbleco." 7. A conversational wild card used to designate something one doesn't want to bother spelling out, but which can be glarked from context. Compare blurgle. 8. [XEROX PARC] A colloquialism used to suggest that further discussion would be fruitless.

Node:munch, Next:munching, Previous:mumble, Up:= M =

munch vt.

[often confused with mung, q.v.] To transform information in a serial fashion, often requiring large amounts of computation. To trace down a data structure. Related to crunch and nearly synonymous with grovel, but connotes less pain.

Node:munching, Next:munching squares, Previous:munch, Up:= M =

munching n.

Exploration of security holes of someone else's computer for thrills, notoriety, or to annoy the system manager. Compare cracker. See also hacked off.

Node:munching squares, Next:munchkin, Previous:munching, Up:= M =

munching squares n.

A display hack dating back to the PDP-1 (ca. 1962, reportedly discovered by Jackson Wright), which employs a trivial computation (repeatedly plotting the graph Y = X XOR T for successive values of T -- see HAKMEM items 146-148) to produce an impressive display of moving and growing squares that devour the screen. The initial value of T is treated as a parameter, which, when well-chosen, can produce amazing effects. Some of these, later (re)discovered on the LISP machine, have been christened `munching triangles' (try AND for XOR and toggling points instead of plotting them), `munching w's', and `munching mazes'. More generally, suppose a graphics program produces an impressive and ever-changing display of some basic form, foo, on a display terminal, and does it using a relatively simple program; then the program (or the resulting display) is likely to be referred to as `munching foos'. [This is a good example of the use of the word foo as a metasyntactic variable.]

Node:munchkin, Next:mundane, Previous:munching squares, Up:= M =

munchkin /muhnch'kin/ n.

[from the squeaky-voiced little people in L. Frank Baum's "The Wizard of Oz"] A teenage-or-younger micro enthusiast hacking BASIC or something else equally constricted. A term of mild derision -- munchkins are annoying but some grow up to be hackers after passing through a larval stage. The term urchin is also used. See also wannabee, bitty box.

Node:mundane, Next:mung, Previous:munchkin, Up:= M =

mundane n.

[from SF fandom] 1. A person who is not in science fiction fandom. 2. A person who is not in the computer industry. In this sense, most often an adjectival modifier as in "in my mundane life...." See also Real World, muggle.

Node:mung, Next:munge, Previous:mundane, Up:= M =

mung /muhng/ vt.

[in 1960 at MIT, `Mash Until No Good'; sometime after that the derivation from the recursive acronym `Mung Until No Good' became standard; but see munge] 1. To make changes to a file, esp. large-scale and irrevocable changes. See BLT. 2. To destroy, usually accidentally, occasionally maliciously. The system only mungs things maliciously; this is a consequence of Finagle's Law. See scribble, mangle, trash, nuke. Reports from Usenet suggest that the pronunciation /muhnj/ is now usual in speech, but the spelling `mung' is still common in program comments (compare the widespread confusion over the proper spelling of kluge). 3. The kind of beans the sprouts of which are used in Chinese food. (That's their real name! Mung beans! Really!)

Like many early hacker terms, this one seems to have originated at TMRC; it was already in use there in 1958. Peter Samson (compiler of the original TMRC lexicon) thinks it may originally have been onomatopoeic for the sound of a relay spring (contact) being twanged. However, it is known that during the World Wars, `mung' was U.S. army slang for the ersatz creamed chipped beef better known as `SOS', and it seems quite likely that the word in fact goes back to Scots-dialect munge.

Node:munge, Next:Murphy's Law, Previous:mung, Up:= M =

munge /muhnj/ vt.

1. [derogatory] To imperfectly transform information. 2. A comprehensive rewrite of a routine, data structure or the whole program. 3. To modify data in some way the speaker doesn't need to go into right now or cannot describe succinctly (compare mumble). 4. To add spamblock to an email address.

This term is often confused with mung, which probably was derived from it. However, it also appears the word `munge' was in common use in Scotland in the 1940s, and in Yorkshire in the 1950s, as a verb, meaning to munch up into a masticated mess, and as a noun, meaning the result of munging something up (the parallel with the kluge/kludge pair is amusing). The OED reports `munge' as an archaic verb nmeaning "to wipe (a person's nose)".

Node:Murphy's Law, Next:music, Previous:munge, Up:= M =

Murphy's Law prov.

The correct, original Murphy's Law reads: "If there are two or more ways to do something, and one of those ways can result in a catastrophe, then someone will do it." This is a principle of defensive design, cited here because it is usually given in mutant forms less descriptive of the challenges of design for lusers. For example, you don't make a two-pin plug symmetrical and then label it `THIS WAY UP'; if it matters which way it is plugged in, then you make the design asymmetrical (see also the anecdote under magic smoke).

Edward A. Murphy, Jr. was one of the engineers on the rocket-sled experiments that were done by the U.S. Air Force in 1949 to test human acceleration tolerances (USAF project MX981). One experiment involved a set of 16 accelerometers mounted to different parts of the subject's body. There were two ways each sensor could be glued to its mount, and somebody methodically installed all 16 the wrong way around. Murphy then made the original form of his pronouncement, which the test subject (Major John Paul Stapp) quoted at a news conference a few days later.

Within months `Murphy's Law' had spread to various technical cultures connected to aerospace engineering. Before too many years had gone by variants had passed into the popular imagination, changing as they went. Most of these are variants on "Anything that can go wrong, will"; this is correctly referred to as Finagle's Law. The memetic drift apparent in these mutants clearly demonstrates Murphy's Law acting on itself!

Node:music, Next:mutter, Previous:Murphy's Law, Up:= M =

music n.

A common extracurricular interest of hackers (compare science-fiction fandom, oriental food; see also filk). Hackish folklore has long claimed that musical and programming abilities are closely related, and there has been at least one large-scale statistical study that supports this. Hackers, as a rule, like music and often develop musical appreciation in unusual and interesting directions. Folk music is very big in hacker circles; so is electronic music, and the sort of elaborate instrumental jazz/rock that used to be called `progressive' and isn't recorded much any more. The hacker's musical range tends to be wide; many can listen with equal appreciation to (say) Talking Heads, Yes, Gentle Giant, Pat Metheny, Scott Joplin, Tangerine Dream, Dream Theater, King Sunny Ade, The Pretenders, Screaming Trees, or the Brandenburg Concerti. It is also apparently true that hackerdom includes a much higher concentration of talented amateur musicians than one would expect from a similar-sized control group of mundane types.

Node:mutter, Next:N, Previous:music, Up:= M =

mutter vt.

To quietly enter a command not meant for the ears, eyes, or fingers of ordinary mortals. Often used in `mutter an incantation'. See also wizard.

Node:= N =, Next:= O =, Previous:= M =, Up:The Jargon Lexicon

= N =

N:

nadger:

nagware:

nailed to the wall:

nailing jelly:

naive:

naive user:

NAK:

NANA:

nano:

nano-:

nanoacre:

nanobot:

nanocomputer:

nanofortnight:

nanotechnology:

nasal demons:

nastygram:

Nathan Hale:

nature:

neat hack:

neats vs. scruffies:

neep-neep:

neophilia:

nerd:

nerd knob:

net.-:

net.god:

net.personality:

net.police:

NetBOLLIX:

netburp:

netdead:

nethack:

netiquette:

netlag:

netnews:

netrock:

Netscrape:

netsplit:

netter:

network address:

network meltdown:

New Jersey:

New Testament:

newbie:

newgroup wars:

newline:

NeWS:

newsfroup:

newsgroup:

nick:

nickle:

night mode:

Nightmare File System:

NIL:

Ninety-Ninety Rule:

nipple mouse:

NMI:

no-op:

noddy:

node:

Nominal Semidestructor:

non-optimal solution:

nonlinear:

nontrivial:

not ready for prime time:

notwork:

NP-:

nroff:

NSA line eater:

NSP:

nude:

nugry:

nuke:

number-crunching:

numbers:

NUXI problem:

nybble:

nyetwork:

Node:N, Next:nadger, Previous:mutter, Up:= N =

N /N/ quant.

1. A large and indeterminate number of objects: "There were N bugs in that crock!" Also used in its original sense of a variable name: "This crock has N bugs, as N goes to infinity." (The true number of bugs is always at least N + 1; see Lubarsky's Law of Cybernetic Entomology.) 2. A variable whose value is inherited from the current context. For example, when a meal is being ordered at a restaurant, N may be understood to mean however many people there are at the table. From the remark "We'd like to order N wonton soups and a family dinner for N - 1" you can deduce that one person at the table wants to eat only soup, even though you don't know how many people there are (see great-wall). 3. `Nth': adj. The ordinal counterpart of N, senses 1 and 2. "Now for the Nth and last time..." In the specific context "Nth-year grad student", N is generally assumed to be at least 4, and is usually 5 or more (see tenured graduate student). See also random numbers, two-to-the-N.

Node:nadger, Next:nagware, Previous:N, Up:= N =

nadger /nad'jr/ v.

[UK, from rude slang noun `nadgers' for testicles; compare American & British `bollixed'] Of software or hardware (not people), to twiddle some object in a hidden manner, generally so that it conforms better to some format. For instance, string printing routines on 8-bit processors often take the string text from the instruction stream, thus a print call looks like jsr print:"Hello world". The print routine has to `nadger' the saved instruction pointer so that the processor doesn't try to execute the text as instructions when the subroutine returns. See adger.

Node:nagware, Next:nailed to the wall, Previous:nadger, Up:= N =

nagware /nag'weir/ n.

[Usenet] The variety of shareware that displays a large screen at the beginning or end reminding you to register, typically requiring some sort of keystroke to continue so that you can't use the software in batch mode. Compare annoyware, crippleware.

Node:nailed to the wall, Next:nailing jelly, Previous:nagware, Up:= N =

nailed to the wall adj.

[like a trophy] Said of a bug finally eliminated after protracted, and even heroic, effort.

Node:nailing jelly, Next:naive, Previous:nailed to the wall, Up:= N =

nailing jelly vi.

See like nailing jelly to a tree.

Node:naive, Next:naive user, Previous:nailing jelly, Up:= N =

naive adj.