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The boot sector or UEFI loads the Windows Boot Manager (a file named BOOTMGR on either the system or the boot partition), accesses the Boot Configuration Data store and uses the information to load the operating system through winload.exe or winresume.exe on BIOS systems, and winload.efi and winresume.efi on UEFI systems. [2]
This article presents a list of commands used by MS-DOS compatible operating systems, especially as used on IBM PC compatibles. Many unrelated disk operating systems use the DOS acronym and are not part of the scope of this list. In MS-DOS, many standard system commands are provided for common tasks such as listing files on a disk or moving ...
In computing, BIOS (/ ˈ b aɪ ɒ s,-oʊ s /, BY-oss, -ohss; Basic Input/Output System, also known as the System BIOS, ROM BIOS, BIOS ROM or PC BIOS) is a type of firmware used to provide runtime services for operating systems and programs and to perform hardware initialization during the booting process (power-on startup). [1]
BIOS boot partition (BIOS BP) is a share of the storage device used to keep software that boots the operating system, a bootloader. It may be an operating system kernel image or bootloader or a completely separate piece of software. [14] [15]: 136
BIOS interrupt calls perform hardware control or I/O functions requested by a program, return system information to the program, or do both. A key element of the purpose of BIOS calls is abstraction - the BIOS calls perform generally defined functions, and the specific details of how those functions are executed on the particular hardware of the system are encapsulated in the BIOS and hidden ...
Loads COMMAND.COM (or other operating system shell if specified). Displays the bootsplash in Windows 9x. If LOGO.SYS is present, it is used as the bootsplash. Otherwise, the bootsplash in IO.SYS is used. The IO.SYS filename was also used by Disk Control Program (DCP), an MS-DOS derivative by the former East-German VEB Robotron. [2] [3]
How to find the operating system info in Windows 10. Open Settings: Click on the "Start" button in the taskbar (Windows icon) or press the "Windows" key on your keyboard.
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 Delete, F1, F2, F10 or F12), and then changing the boot order. [6]