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2. vt. To cause a system to crash accidentally, especially in a manner that requires manual rebooting. "Rick just toasted the firewall machine again." Compare fried.
toaster n. 1. The archetypal really stupid application for an embedded microprocessor controller; often used in comments that imply that a scheme is inappropriate technology (but see elevator controller). "DWIM for an assembler? That'd be as silly as running Unix on your toaster!" 2. A very, very dumb computer. "You could run this program on any dumb toaster." See bitty box, Get a real computer!, toy, beige toaster. 3. A Macintosh, esp. the Classic Mac. Some hold that this is implied by sense 2. 4. A peripheral device. "I bought my box without toasters, but since then I've added two boards and a second disk drive."
toeprint n. A footprint of especially small size.
toggle vt. To change a bit from whatever state it is in to the other state; to change from 1 to 0 or from 0 to 1. This comes from 'toggle switches', such as standard light switches, though the word toggle actually refers to the mechanism that keeps the switch in the position to which it is flipped rather than to the fact that the switch has two positions. There are four things you can do to a bit: set it (force it to be 1), clear (or zero) it, leave it alone, or toggle it. (Mathematically, one would say that there are four distinct boolean-valued functions of one boolean argument, but saying that is much less fun than talking about toggling bits.)
tool 1. n. A program used primarily to create, manipulate, modify, or analyze other programs, such as a compiler or an editor or a cross-referencing program. Oppose app, operating system. 2. [Unix] An application program with a simple, 'transparent' (typically text-stream) interface designed specifically to be used in programmed combination with other tools (see filter, plumbing). 3. [MIT: general to students there] vi. To work; to study (connotes tedium). The TMRC Dictionary defined this as "to set one's brain to the grindstone". See hack. 4. n. [MIT] A student who studies too much and hacks too little. (MIT's student humor magazine rejoices in the name Tool and Die.)
toolsmith n. The software equivalent of a tool-and-die specialist; one who specializes in making the tools with which other programmers create applications. Many hackers consider this more fun than applications per se; to understand why, see uninteresting. Jon Bentley, in the "Bumper-Sticker Computer Science" chapter of his book More Programming Pearls, quotes

 
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