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robot n. [IRC, MUD] An IRC or MUD user who is actually a program. On IRC, typically the robot provides some useful service. Examples are NickServ, which tries to prevent random users from adopting nicks already claimed by others, and MsgServ, which allows one to send asynchronous messages to be delivered when the recipient signs on. Also common are 'annoybots', such as KissServ, which perform no useful function except to send cute messages to other people. Service robots are less common on MUDs; but some others, such as the 'Julia' robot active in 199091, have been remarkably impressive Turing-test experiments, able to pass as human for as long as ten or fifteen minutes of conversation.
robust adj. Said of a system that has demonstrated an ability to recover gracefully from the whole range of exceptional inputs and situations in a given environment. One step below bulletproof. Carries the additional connotation of elegance in addition to just careful attention to detail. Compare smart, oppose brittle.
rococo adj. Terminally baroque. Used to imply that a program has become so encrusted with the software equivalent of gold leaf and curlicues that they have completely swamped the underlying design. Called after the later and more extreme forms of Baroque architecture and decoration prevalent during the mid-1700s in Europe. Alan Perlis said: "Every program eventually becomes rococo, and then rubble." Compare critical mass.
rogue n. [Unix] A Dungeons-and-Dragons-liek game using character graphics, written under BSD Unix and subsequently ported to other Unix systems. The original BSD curses (3) screen-handling package was hacked together by Ken Arnold to support rogue (6) and has since become one of Unix's most important and heavily used application libraries. Nethack, Omega, Larn, and an entire subgenre of computer dungeon games all took off from the inspiration provided by rogue (6). See also nethack.
room-temperature IQ quant. [IBM] 80 or below (nominal room temperature is 72 degrees Fahrenheit, 22 degrees Celsius). Used in describing the expected intelligence range of the luser. "Well, but how's this interface going to play with the room-temperature IQ crowd?" See drool-proof paper. This is a much more insulting phrase in countries that use Celsius thermometers.
root n. [Unix] 1. The superuser account (with user name 'root') that ignores permission bits, user number 0 on a Unix system. The term avatar is also used. 2. The top node of the system directory structure; historically the home directory of the root user, but probably named after the root of an

 
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