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The command is used to configure, query, or change Boot.ini file settings. [2] A similar command exists in the Recovery Console for repairing or rebuilding boot configuration files. [1] [3] Though NTLDR and boot.ini are no longer used to boot Windows Vista and later versions of
In the PC bootup sequence, the first sector of the boot disk is loaded into memory and executed. If this is the DOS boot sector, it loads the first three sectors of IO.SYS into memory and transfers control to it. IO.SYS then: Loads the rest of itself into memory. Initializes each default device driver in turn (console, disk, serial port, etc ...
There are three variants of the file: LOGO.SYS is the Windows logo boot screen. The file is located in the root directory of the boot drive. This is usually C:\, but with drive compression, like DriveSpace, this is the host drive (often H:\). The default LOGO.SYS file is also stored in IO.SYS and used by MS-DOS during startup if LOGO.SYS cannot ...
For example, in DOS 5, if the current directory is C:\TEMP, then TRUENAME command.com will display C:\TEMP\COMMAND.COM (which does not exist), not C:\DOS\COMMAND.COM (which does and is in the PATH). This command displays the UNC pathnames of mapped network or local CD drives. This command is an undocumented DOS command.
Removing or changing certain Registry data can prevent the system from starting, or cause application errors and crashes. It is not always possible for a third-party program to know whether any particular key is invalid or redundant. A poorly designed Registry cleaner may not be equipped to know for sure whether a key is still being used by ...
MBRWizard is a Master Boot Record (MBR) management application for x86 and x86-64 based computers. As the use of disk imaging applications for backup and operating system deployment began to increase, as well as many users beginning to experiment with dual-booting Linux on existing Windows machines, key entries in the MBR were often changed or corrupted, rendering the machine unbootable.
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The boot code in the VBR can assume that the BIOS has set up its data structures and interrupts and initialized the hardware. The code should not assume more than 32 KB of memory to be present for fail-safe operation; [1] if it needs more memory it should query INT 12h for it, since other pre-boot code (such as f.e. BIOS extension overlays, encryption systems, or remote bootstrap loaders) may ...