bootstrap

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bootstrap

[′büt‚strap]
(computer science)
The procedures for making a computer or a program function through its own actions.
(engineering)
A technique or device designed to bring itself into a desired state by means of its own action.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

bootstrap

(operating system, compiler)
To load and initialise the operating system on a computer. Normally abbreviated to "boot". From the curious expression "to pull oneself up by one's bootstraps", one of the legendary feats of Baron von Munchhausen. The bootstrap loader is the program that runs on the computer before any (normal) program can run. Derived terms include reboot, cold boot, warm boot, soft boot and hard boot.

The term also applies to the use of a compiler to compile itself. The usual process is to write an interpreter for a language, L, in some other existing language. The compiler is then written in L and the interpreter is used to run it. This produces an executable for compiling programs in L from the source of the compiler in L. This technique is often used to verify the correctness of a compiler. It was first used in the LISP community.

See also My Favourite Toy Language.
This article is provided by FOLDOC - Free Online Dictionary of Computing (foldoc.org)

boot

A boot causes the computer to start executing instructions. PCs and Macs contain built-in instructions in a ROM or flash memory chip that are automatically executed on startup. These instructions search for the operating system, load it and pass control to it. Booting a computer today means turning it on or selecting Restart. In the early days of computing, booting required pressing several buttons at the console.

Put Your Boots On!
The term comes from "bootstrap." Since bootstraps help you get your boots on, booting the computer helps it get its first instructions. The term is often used erroneously for application software. For example, you might hear someone say "let's boot Excel," whereas the correct usage is "launch Excel" or "load Excel." See cold boot, warm boot, clean boot, boot loader and first boot sequence.


You Need Help to Get Started
System Commander was an earlier boot manager that allowed users to install any number of different operating systems on their PCs. On startup, this menu let you choose your OS. (Screen shot courtesy of V Communications, Inc.)






All the Boots You'll Ever Need
System Commander was an earlier boot manager that allowed users to install any number of different operating systems on their PCs. On startup, this menu let you choose your OS. (Screen shot courtesy of V Communications, Inc.)
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References in periodicals archive ?
As reported in their paper, the boot-strapping process has been demonstrated in a series of experiments in which the fusion yield has been systematically upped by more than a factor of 10 over earlier approaches.
The higher yields that were obtained affirmed the hypothesis, and demonstrated the onset of boot-strapping.
System assessment is then used during the boot-strapping phase where we check that the fact makes sense and is consistent with our world view.