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To understand a Boot CD you must first understand a Boot Floppy. We all know and have WinXP boot CD's. Usually that's enough. But there are times you may need to boot into DOS, which in the past, you would get out your old, trusty Win98 boot floppy. It allowed to to see the files on your hard drive so long as your drive was FAT32. And in the case of NTFS all you had to do was download Active's NTFS DOS Reader and/or Active's NTFS DOS Read/Write software.
The boot sector of a floppy disk is located at cylinder 0, head 0, sector 1. This sector is created by a floppy disk formating program, such as the DOS FORMAT program. The boot sector of a FAT hard disk partition has a similar layout and function. Basically a bootable FAT hard disk partition (the MBR - Master Boot Record - also see Disassembly of an MBR) looks like a big floppy during the early stages of the system's boot processing.
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The boot sector of a floppy disk is located at cylinder 0, head 0, sector 1. This sector is created by a floppy disk formating program, such as the DOS FORMAT program. The boot sector of a FAT hard disk partition has a similar layout and function. Basically a bootable FAT hard disk partition (the MBR - Master Boot Record - also see Disassembly of an MBR) looks like a big floppy during the early stages of the system's boot processing.
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