bootstrap loader - definizione. Che cos'è bootstrap loader
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Cosa (chi) è bootstrap loader - definizione

PROCESS OF STARTING A COMPUTER
Boot sequence; Boot process; Boot monitor; Bootstrap program; Autobooting; Initial program load; Boot loaders; Boot-up period; Boot device; Bootable; Random reboot; Cold Boot; Boot time; Initial Program Load; Bootstrap routine; Booting up; Boot drive; Bootup; Boot-up; System startup; Hard boot; List of Acquisitions by Hard-Reset; Soft-reset; Direct-initialization; Hard-Reset; Boot up; Bootstrap loader; Cold reset; Boot (computing); Soft boot; Warm start; Booting device; Bootstrap Loader; Rebooting (computer); System reboot; Boot menu; Open apple-control-reset; Openapple-control-reset; Open Apple-Control-Reset; Apple-control-reset; Apple-Control-Reset; SyMon Bootmanager; System boot; PC Boot Process; User:Surjoanik5/PC Boot Process; Initial Program Loader; Boot program; Boot software; Quick boot; Second-stage boot loader; Secondary Program Loader; Secondary boot loader; Secondary program loader; X-loader; Boot firmware
  • [[Award Software]] BIOS from 2000 during booting
  • A [[hex dump]] of [[FreeBSD]]'s boot0 MBR
  • Android]] device, showing additional available options
  • PDP-8/E front panel showing the switches used to load the bootstrap program
  • Switches and cables used to program [[ENIAC]] (1946)
  • A flow diagram of a computer booting
  • Initial program load punched card for the [[IBM 1130]] (1965)
  • IBM System/3 console from the 1970s. Program load selector switch is lower left; Program load switch is lower right.
  • circuit board]]
  • link=Windows To Go

bootstrap loader         
<operating system> A short program loaded from {non-volatile storage} and used to bootstrap a computer. On early computers great efforts were expended on making the bootstrap loader short, in order to make it easy to toggle in via the front panel switches. It was just clever enough to read in a slightly more complex program (usually from punched cards or paper tape), to which it handed control. This program in turn read the application or {operating system} from a magnetic tape drive or disk drive. Thus, in successive steps, the computer "pulled itself up by its bootstraps" to a useful operating state. Nowadays the bootstrap loader is usually found in ROM or EPROM, and reads the first stage in from a fixed location on the disk, called the "boot block". When this program gains control, it is powerful enough to load the actual OS and hand control over to it. A diskless workstation can use bootp to load its OS from the network. (2005-04-12)
Loader (equipment)         
  • Semi-curved compact loader on a John Deere compact utility tractor
  • Close-up of articulated steering apparatus
  • Armored wheel loader of the Israeli Defense Forces
  • Loader removing snow in [[Jyväskylä]], Finland
  • Visibility comparison of different loader designs
  • CAD model tracing of a skid loader mechanism
  • San Marcos.]]
  • Traction chains on a wheel loader
HEAVY EQUIPMENT MACHINE
Wheel loader; Front-end loader; Tractor Loader; Front end loader; Scoop loader; Bucket loader; Scoop Loader; Wheeled loader; Front-loader; Wheel Loader – Integrated Toolcarriers; Wheel Loader - Integrated Toolcarriers; Wheel loaders; Frontloader; Tractor shovel; Material loaders; Wallboard cranes; Material loader; Wallboard crane; Front-end loaders; Payloader; Log loader; Skip loader; Cat950m
A loader is a heavy equipment machine used in construction to move or load materials such as soil, rock, sand, demolition debris, etc. into or onto another type of machinery (such as a dump truck, conveyor belt, feed-hopper, or railroad car).
Loader (computing)         
PART OF AN OPERATING SYSTEM THAT IS RESPONSIBLE FOR LOADING PROGRAMS AND LIBRARIES
Loadtime; Load time; Program loader; Load-time; Loading (computing); Executable loader; Binary loader
In computer systems a loader is the part of an operating system that is responsible for loading programs and libraries. It is one of the essential stages in the process of starting a program, as it places programs into memory and prepares them for execution.

Wikipedia

Booting

In computing, booting is the process of starting a computer as initiated via hardware such as a button or by a software command. After it is switched on, a computer's central processing unit (CPU) has no software in its main memory, so some process must load software into memory before it can be executed. This may be done by hardware or firmware in the CPU, or by a separate processor in the computer system.

Restarting a computer also is called rebooting, which can be "hard", e.g. after electrical power to the CPU is switched from off to on, or "soft", where the power is not cut. On some systems, a soft boot may optionally clear RAM to zero. Both hard and soft booting can be initiated by hardware such as a button press or by a software command. Booting is complete when the operative runtime system, typically the operating system and some applications, is attained.

The process of returning a computer from a state of sleep (suspension) does not involve booting; however, restoring it from a state of hibernation does. Minimally, some embedded systems do not require a noticeable boot sequence to begin functioning and when turned on may simply run operational programs that are stored in ROM. All computing systems are state machines, and a reboot may be the only method to return to a designated zero-state from an unintended, locked state.

In addition to loading an operating system or stand-alone utility, the boot process can also load a storage dump program for diagnosing problems in an operating system.

Boot is short for bootstrap or bootstrap load and derives from the phrase to pull oneself up by one's bootstraps. The usage calls attention to the requirement that, if most software is loaded onto a computer by other software already running on the computer, some mechanism must exist to load the initial software onto the computer. Early computers used a variety of ad-hoc methods to get a small program into memory to solve this problem. The invention of read-only memory (ROM) of various types solved this paradox by allowing computers to be shipped with a start up program that could not be erased. Growth in the capacity of ROM has allowed ever more elaborate start up procedures to be implemented.