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Version of MS-DOS.)
If you often switch among Windows 2000, Windows 9x, and MS-
DOS, you can set up a true triple boot system that has all three
choices on the initial Windows 2000 boot menu.
If you need to boot into MS-DOS only rarely, the simplest and
most effective way might be to avoid installing MS-DOS on your
hard drive altogether. Instead, use an MS-DOS boot floppy disk
whenever you want to boot into MS-DOS. (Of course, you'll still
need to use FAT16 for any hard disk partitions that you want to be
able to use while you're running MS-DOS.)
Dual Booting with Windows 9x
The ideal setup for dual booting Windows 9x and Windows 2000
is to install Windows 9x on drive C and then install Windows 2000
on drive D (or any other partition). If you do it in that order and in
those locations, life is easy.
If, on the other hand, you feel compelled to install Windows 9x
after you have installed Windows 2000, you've got your work cut
out for you. Installing Windows 95 overwrites the Windows 2000
boot sector with its own boot sector, which prevents you from
booting into Windows 2000 (or anything else managed by the
Windows 2000 boot manager). The Setup program for Windows
98 is supposed to recognize the Windows 2000 (or Windows NT)
boot sector, leaving it in place, and politely add itself to the
Windows 2000 boot menu. This is the procedure for installing
Windows 9x:
1. Be sure that you have an up-to-date Emergency Repair Disk
for your Windows 2000 installation. Better yet, make a new
one right now. (Go to Start / Programs / Accessories / System
Tools / Backup / Emergency Repair Disk.)
2. Be sure that drive C is formatted with a compatible FAT file
system (FAT16 for early versions of Windows 95; FAT16 or
FAT32 for all others). And if Windows 2000 is installed on
drive C, be sure to have another drive that's formatted with a
compatible FAT file system; this is where you'll install
Windows 9x.
3. Install Windows 9x. Note that you can't run the Setup
program for Windows 9x from Windows 2000. If you have a