nAh!!ambot unsai tubag!!hahaha
Create two partitions in ur hard drive and install Windows '98 on Drive C and install Windows 2000 on Drive D to another partition.
You don't. Boot priority is specifed by the BIOS, not Windows 2000.
NTLDR is indeed a key boot file in Windows 2000 and all of the Windows operating systems since Windows NT. A machine will not boot without that file.
Four (4) startup disks are needed to boot Windows 2000 from floppy disks.
Dual Booting, using a program called a 'Boot Loader'. Note: If you want boot both opreting system win xp and win 2000 at a time then you use VM ware software.
Yes, Boot with disk, then choose "Windows Recovery Console"
Change the boot order in the CMOS/BIOS.
NTLDR
The floppy disk has nothing to do with the operating system on the hard drive. You can use a floppy disk created in Windows XP to boot a computer that has Windows 2000, Windows 98, Windows 95, Windows 3.1, Windows Vista, Windows 7, Linux, Solaris, FreeBSD, etc...
1-upgrade 2-clean boot 3-dual boot
...with Windows XP Professional already installed on your computer. Windows Vista cannot be installed without Windows XP Professional installed first on your computer, it's the same with Windows 7; Windows' latest operating system (OS).
To remove Windows XP Professional from the OS choice menu at startup, you need to edit the Boot Configuration Data (BCD). Boot your computer and, when the menu appears, select the Windows operating system you want to keep, then press Windows + R to open the Run dialog. Type msconfig and press Enter. In the Boot tab, you can select the Windows XP entry and click "Delete" to remove it from the boot menu. Alternatively, you can use the command prompt with the command bcdedit to modify the boot entries.