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sequencing tool captures all the file system operations of an installer in order to create a virtualized software package for users. As part of the sequencing process, it will detect when an installer requires a reboot, interrupt the triggered reboot, and instead simulate the required reboot by
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forms of memory storage from the device. However, since these areas do not exist on all
Windows CE devices, users are only concerned with two forms of reboot: one that resets the volatile memory and one that wipes the device clean and restores factory settings. For example, for a
143:. On systems with cards, the computer was initiated by pressing a start button that performed a single command - "read a card". This first card then instructed the machine to read more cards that eventually loaded a user program. This process was likened to an old saying, "
194:. The reason given is: The described differences between a cold and a warm reboot aren't universally applicable. Also, "BIOS" is not the firmware of a PC, it is just a long-obsolete API for such a firmware, and this API is usually no longer involved in the boot process..
279:
Base Team, Windows CE devices support three types of boots: Warm, cold and clean. A warm boot discards program memory. A cold boot additionally discards storage memory (also known as the "object store"), while a clean boot erases
297:
A hard reboot means that the system is not shut down in an orderly manner, skipping file system synchronisation and other activities that would occur on an orderly shutdown. This can be achieved by either applying a
271:
which transfers execution to a new kernel and skips hardware or firmware reset. The entire process occurs independently of the system firmware. The kernel being executed does not have to be a Linux kernel.
341:
families of operating systems to denote an operating system-assisted reboot. In a restart, the operating system ensures that all pending I/O operations are gracefully ended before commencing a reboot.
147:", referring to a horseman who lifts himself off the ground by pulling on the straps of his boots. This set of initiating punch cards was called "bootstrap cards". Thus a cold start was called
550:. While hibernation also involves turning a system off then subsequently back on again, the operating system does not start from scratch, thereby differentiating this process from rebooting.
381:. While this approach does not address the root cause of the issue, resetting a system back to a good, known state may allow it to be used again for some period until the issue next occurs.
508:. The method by which this is done varies depending on whether the reboot can be handled via software or must be handled at the firmware or hardware level. Operating systems in the
1033:
565:"hack", for entertainment (albeit possibly concerning at first glance). Malware may also simulate a reboot, and thereby deceive a computer user for some nefarious purpose.
558:
A reboot may be simulated by software running on an operating system. For example: the
Sysinternals BlueScreen utility, which is used for pranking; or some modes of the
591:-like "Fast Startup" (a.k.a. "Fast Boot") which can cause problems (including confusion) for users accustomed to turning off computers to (cold) reboot them.
1085:
481:, whose root cause may not immediately be evident to the user. Such crashes may occur due to a multitude of software and hardware problems, such as
543:
1016:
369:
Rebooting may be used by users, support staff or system administrators as a technique to work around bugs in software, for example
252:
may prevent or subvert a warm boot by intercepting the Ctrl + Alt + Delete key combination and prevent it from reaching BIOS. The
520:) have an option to modify the behavior of the error handler so that a computer immediately restarts rather than displaying a
434:
operating systems are outfitted with a restart command that closes open programs and eliminates data loss due to reboot.
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19h. It may not perform a complete POST - for example, it may skip the memory test - and may not perform a POST at all.
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983:
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409:, special configurations may allow for part of the system state, like a RAM disk, to be preserved through the reboot.
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Outside the domain of IBM PC compatible computers, the types of boot may not be as clear. According to Sue Loh of
221:
is a boot process in which the computer starts from a powerless state, in which the system performs a complete
477:"Random reboot" is a non-technical term referring to an unintended (and often undesired) reboot following a
440:
Software can be scheduled to run at a certain time and date; therefore, it is possible to schedule a reboot.
263:
family of operating systems supports an alternative to warm boot; the Linux kernel has optional support for
225:(POST). Both the operating system and third-party software can initiate a cold boot; the restart command in
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closes all programs and finalizes all pending input and output operations before initiating a soft reboot.
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189:
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17:
1123:
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Enhanced
Discovering Computers, Complete: Your Interactive Guide to the Digital World, 2013 Edition
546:(ACPI), newer operating systems are able to manage different power states and thereby sleep and/or
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on a mobile device) forces the system user to perform a cold boot once the power is restored. Some
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family of operating systems also does the same and reserves the key combination for its own use.
31:
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As stated earlier, components lose power during a cold reboot; therefore, components such as
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Redundant power supplies in a computer system reduce the risk of an unexpected loss of power.
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63:
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402:
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can cause the system to reboot. Doing so, however, may cause the loss of all unsaved data.
98:) in which the power to the system is physically turned off and back on again (causing an
8:
157:, it was rebooted. The boot reference carried over to all subsequent types of computers.
430:
Computer software and operating system can trigger a reboot as well; more specifically,
196:
Please help update this article to reflect recent events or newly available information.
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allowed operating systems greater control of hardware power management features. With
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135:) had no operating system and little internal memory. The input was often a stack of
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Users may deliberately initiate a reboot. Rationale for such action may include:
87:
824:"Using CTRL+ALT+DEL key combination to open Windows Security opens Task Manager"
469:(UPS), backup battery or redundant power supply can prevent such circumstances.
90:
is restarted, either intentionally or unintentionally. Reboots can be either a
513:
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Systems may be configured to reboot automatically after a power failure, or a
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303:
144:
58:
167:"Cold boot" redirects here. For the attack called a "cold boot attack", see
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524:(BSOD) error message. This option is enabled by default in some editions.
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have an option to automatically boot the system after a power failure. An
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The means of performing a deliberate reboot also vary and may include:
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226:
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395:, a reboot is required to switch between installed operating systems.
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resources to the detriment of the overall system, or to terminate
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device, the former is a cold boot and the latter is a clean boot.
600:
378:
249:
149:
99:
851:"Why is Control-Alt-Delete the secure attention sequence (SAS)?"
110:) in which the system restarts while still powered up. The term
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641:
639:
637:
635:
338:
264:
260:
923:"Jram-3 Rivals Persyst Stretch In RAM Race of Add-On Boards"
770:"Hardware Troubleshooting: Cold Booting Versus Warm Booting"
575:
114:(as a system command) is used to refer to a reboot when the
632:
462:
237:
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that require power lose the data they hold. However, in a
1086:"Distinguishing Fast Startup from Wake-from-Hibernation"
1049:"The Pros and Cons of Windows 10's "Fast Startup" Mode"
932:
651:
A+ Exam Cram 2 (Exam Cram 220-221, Exam Cram 220-222)
572:
restarting services and loading/unloading libraries.
800:
Malicious Mobile Code: Virus
Protection for Windows
648:Jones, James G.; Landes, Craig; Tittel, Ed (2002).
449:Unexpected loss of power for any reason (including
244:key combination or directly through BIOS interrupt
229:initiates a cold reboot, unless Shift key is held.
647:
485:. They are generally symptomatic of an error in
192:may be compromised due to out-of-date information
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493:in an operating system or a hardware-triggered
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716:(2nd ed.). Microsoft Press. p. 172.
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938:
745:Absolute Beginner's Guide to A+ Certification
702:
1046:
784:
668:
939:Shelly, Gary B.; Vermaat, Misty E. (2012).
730:
52:It has been suggested that this article be
1034:"Microsoft App-V 4.6 SP1 Sequencing Guide"
920:
544:Advanced Configuration and Power Interface
160:
688:. Que Publishing. pp. 24, 960, 964.
654:. Que Publishing. pp. 379–380, 509.
576:Windows deviations and labeling criticism
848:
776:. Microsoft. 7 July 2005. Archived from
712:Tulloch, Mitch; Tulloch, Ingrid (2002).
353:
27:Restarting a computer system or process
14:
1101:
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681:
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145:picking yourself up by the bootstraps
131:Early electronic computers (like the
714:Microsoft Encyclopedia of Networking
173:
38:
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849:Osterman, Larry (24 January 2005).
553:
24:
1066:Oliver Niehus (14 December 2012).
333:The term "restart" is used by the
153:the computer up. If the computer
86:is the process by which a running
25:
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966:Gary A. Donahue, Gary A. (2011).
945:. Cengage Learning. p. 400.
1017:"Supermicro C7Q67 User's Manual"
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748:. Que Publishing. p. 188.
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921:Ken Freeze (28 October 1985),
881:"Boot Persistence Terminology"
872:
842:
816:
802:. O'Reilly Media. p. 50.
527:
292:
121:
13:
1:
1090:Microsoft Hardware Dev Center
1047:Walter Glenn (3 March 2016).
794:Grimes, Roger (1 June 2001).
626:
349:
321:Hard reboots are used in the
69:Proposed since February 2024.
1000:"AsRock 775i65G User Manual"
830:. Microsoft. 15 January 2006
467:uninterruptible power supply
385:Switching operating systems:
314:systems, or by triggering a
240:, either as a result of the
126:
7:
742:Soper, Mark Edward (2004).
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10:
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489:that is not trapped by an
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166:
94:(alternatively known as a
29:
885:Windows CE Base Team Blog
879:Loh, Sue (22 June 2005).
540:advanced power management
344:
457:failure or depletion of
855:Larry Osterman's WebLog
534:Hibernation (computing)
428:Manual, software-based:
418:Manual, hardware-based:
161:Cold versus warm reboot
32:Reboot (disambiguation)
1068:"Windows 8: Fast Boot"
606:Cold start (computing)
587:enable (by default) a
495:non-maskable interrupt
359:
102:of the machine); or a
357:
1072:MSDN - Oliver's Blog
780:on 21 February 2015.
682:Cooper, Jim (2002).
538:The introduction of
522:Blue Screen of Death
236:is initiated by the
30:For other uses, see
1092:. 15 December 2021.
502:fatal system error
420:A power switch or
373:or processes that
360:
287:Windows Mobile 5.0
242:Control-Alt-Delete
223:power-on self-test
828:Microsoft Support
685:Using MS-DOS 6.22
621:Reset (computing)
432:Microsoft Windows
391:system without a
335:Microsoft Windows
306:, by issuing the
215:IBM PC compatible
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16:(Redirected from
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970:(2nd ed.).
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908:"Did you reboot"
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554:Simulated reboot
407:cold boot attack
367:Troubleshooting:
323:cold boot attack
310:command in most
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190:factual accuracy
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169:Cold boot attack
116:operating system
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978:. p. 698.
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889:. Retrieved
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862:. Retrieved
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832:. Retrieved
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778:the original
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684:
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611:Local reboot
579:
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563:XScreenSaver
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537:
506:kernel panic
499:
479:system crash
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455:power supply
451:power outage
448:
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422:reset button
417:
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371:memory leaks
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316:kernel panic
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100:initial boot
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36:
1053:How-To Geek
887:. Microsoft
589:hibernation
528:Hibernation
293:Hard reboot
269:system call
137:punch cards
122:Terminology
108:soft reboot
104:warm reboot
96:hard reboot
92:cold reboot
1103:Categories
972:Sebastopol
859:MSDN Blogs
834:19 January
627:References
510:Windows NT
438:Automated:
399:Offensive:
393:hypervisor
389:multi-boot
350:Deliberate
277:Windows CE
254:Windows NT
227:Windows 9x
927:InfoWorld
581:Windows 8
548:hibernate
518:Windows 7
312:Unix-like
234:warm boot
219:cold boot
139:or via a
127:Etymology
84:rebooting
80:computing
18:Cold boot
864:15 March
595:See also
516:through
133:IBM 1401
1109:Booting
891:3 March
774:Support
601:Booting
459:battery
379:malware
329:Restart
250:Malware
155:crashed
150:booting
112:restart
64:Discuss
982:
949:
806:
752:
720:
692:
658:
583:&
487:ring 0
463:BIOSes
345:Causes
308:halt-q
54:merged
1020:(PDF)
1003:(PDF)
387:On a
339:Linux
302:, by
300:reset
265:kexec
261:Linux
56:with
1114:BIOS
980:ISBN
947:ISBN
893:2013
866:2007
836:2013
804:ISBN
750:ISBN
718:ISBN
690:ISBN
656:ISBN
560:bsod
337:and
267:, a
259:The
238:BIOS
213:For
106:(or
796:"2"
504:or
403:RAM
375:hog
282:all
246:INT
78:In
62:. (
1105::
1088:.
1070:.
1051:.
974::
925:,
883:.
857:.
853:.
826:.
798:.
786:^
772:.
732:^
704:^
670:^
634:^
585:10
497:.
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325:.
318:.
232:A
82:,
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