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is able with built-in software to load the contents of the first 512 bytes of a floppy and to execute it if it is a viable program; boot floppies have a very simple loader program in these bytes. The process is vulnerable to abuse; data floppies could have a virus written to their first sector which
170:: the computer contains a tiny program (bootstrap loader) which will load and run a program found on a boot device. This program may itself be a small program designed to load a larger and more capable program, i.e., the full operating system. To enable booting without the requirement either for a
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A modern PC is configured to attempt to boot from various devices in a certain order. If a computer is not booting from the device desired, such as the floppy drive, the user may have to enter the BIOS Setup function by pressing a special key when the computer is first turned on (such as
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While almost all modern computers can boot from a hard drive containing the operating system and other software, they would not normally be called boot disks (because they are not removable media). Fixed drives (such as
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All files must be for the same version of the operating system. Complete boot disks can be prepared in one operation by an installed operating system; details vary.
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or utility program. The computer must have a built-in program which will load and execute a program from a boot disk meeting certain standards.
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Different operating systems use different boot disk contents. All boot disks must be compatible with the computer they are designed for.
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Administrative access in case of lost password is possible with an appropriate boot disk with some operating systems
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222:. The use of boot floppies is in decline, due to the availability of other higher-capacity options, such as
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are the most common forms of media used, but other media, such as magnetic or paper tape drives,
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device or to write to the boot medium, it is usual for the boot program to use some system
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Macs display the Boot Menu when the power button is pressed and held, the older
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559:"'Pull yourself up by your bootstraps' - the meaning and origin of this phrase"
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silently infects the host computer if switched on with the disk in the drive.
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a series of self-sustaining processes that proceed without external help:
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of data in its standard format, making it impractical for loading large
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Removable disk from which a computer can boot an operating system
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Running a temporary operating environment, such as when using a
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Need to change your computer's boot order or access other ..
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processors will display the Boot Menu if user presses the
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reboot.pro - Community forum dedicated to Boot Disks
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Protected Area Run Time
Interface Extension Services
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comes from the idea of lifting oneself by one's own
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video games on modern computers by using a bootable
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189:As an example, any computer compatible with the
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510:. May 23, 2007. p. 11. Archived from
206:("boot floppies") for PCs usually contain
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462:By J. D. Biersdorfer (October 8, 1998).
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502:"How to Survive the Worst PC Disasters"
484:"How to Make a Compaq System Boot Disk"
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537:"Can I recover from recovering my PC?"
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121:Customizing an operating environment
113:Hardware or software troubleshooting
396:Windows Preinstallation Environment
58:)s that are bootable may be called
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354:A valid boot sector on the disk
289:while the machine is starting.
607:"Mac startup key combinations"
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584:"How to enter your PC's BIOS"
74:can be used. The computer's
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36:digital data storage medium
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210:or miniature versions of
93:Boot disks are used for:
464:"Emergency Preparedness"
141:home computers, running
81:One can make one's own
124:Software demonstration
372:A bootloader such as
404:Windows Boot Manager
301:MS-DOS/PC DOS/DR-DOS
70:, and more recently
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514:on October 27, 2020
469:The New York Times
387:Initial ram disk (
314:volume boot record
42:can load and run (
488:Hearst Newspapers
220:operating systems
153:USB flash drive).
16:(Redirected from
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383:Linux kernel
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293:Requirements
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204:floppy disks
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172:mass storage
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109:Data purging
100:installation
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440:Self-loader
357:COMMAND.COM
338:COMMAND.COM
310:boot sector
60:boot drives
18:Boot floppy
518:August 23,
446:References
360:KERNEL.SYS
333:IBMDOS.COM
324:IBMBIO.COM
168:bootstraps
68:ZIP drives
56:hard drive
436:(PARTIES)
329:MSDOS.SYS
202:Bootable
186:storage.
162:The term
83:boot disk
32:boot disk
638:Category
589:PC World
568:June 23,
507:PC World
413:See also
408:BOOT.WIM
374:SYSLINUX
308:A valid
283:⌥ Option
180:RAM disk
129:Live USB
40:computer
429:Live CD
347:FreeDOS
224:CD-ROMs
158:Process
151:FreeDOS
64:CD-ROMs
389:initrd
320:IO.SYS
241:Delete
191:IBM PC
147:MS-DOS
143:MS-DOS
131:drive.
365:Linux
316:(VBR)
279:Intel
212:Linux
198:Media
178:as a
139:Amiga
46:) an
570:2018
520:2020
378:GRUB
184:file
164:boot
89:Uses
76:BIOS
44:boot
376:or
331:or
322:or
287:Alt
285:or
275:Mac
265:F12
263:or
261:F11
257:F12
255:or
253:F10
226:or
208:DOS
176:RAM
149:or
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454:^
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30:A
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