Ntldr
NTLDR (NT Loader) is the boot loader for Windows NT, including its later versions (2000/XP/Longhorn). NTLDR can be run either from a floppy disk or a hard disk. If run from a hard disk, it must be stored on the active partition, which itself must be FAT or NTFS. NT 5.0 or above supports FAT32, while older versions only support FAT12 or FAT16. It can either load an installation of Windows NT, the boot sector of another drive, or a boot sector stored on the drive where NTLDR is located. NTLDR requires two files to be on the first partition: NTLDR, which contains most of the boot loader itself, and boot.ini, which contains configuration options for a boot menu. Boot.ini uses