how to install two operating systems?

Answer 1

Depends on your operating systems. If your using Nix varients like Linux, BSD, Mac OS X then it's easy to have an almost infinite number of OS's on your machine.

If you want windoze to be one of those OS's you need to first partition. Partition magic is not free but good software for this. Knoppix has gparted or qtparted built in so if you don't want to spend more than the cost of burning a cd download knoppix, burn it as a CD image. This is important, if you just burn the ISO you've done nothing but back up the ISO image, not burned a bootable CD. Boot to Knoppix then partition the HD. If you do not want windoze messing with the second partition make it two primary partitions. Windoze can see only one primary partition. Nix varients can see many.

Then install windows. After your done install Linux/BSD and whatever operating systems you wish to have on the machine. Nix varients require the same key dirs so you need a partition for each. That way each can have it's own /etc and such. Same with multiple versions of windoze.

There is software out there including partition magic that manage multiple OS's. It however has serious bugs on partition size OS booting order and doesn't solve the partition per OS varient issue. So it's only usefull if you want to run multile versions of Windoze. If not I'd use grub instead which is free and comes with many Nix varients and almost all Linux distros.

If something goes wrong with any of the installations have a boot disk with DOS and the DOS FDisk command on it. Boot to DOS and run fdisk /mbr to restore the origional Master boot record then start reinstalling the OS's or rerun grub after booting to a CD version of that OS.

Windoze has issues with where it's boot record is. This is a HD destroyer when you use multiple Windoze versions. So back up very frequently if you do this. Has a tendancy to wear out the boot sector which leaves that HD incapable of booting any more. What happens to boot multiple versions of windoze is that the boot loader for that OS is physically copied to the correct place on the HD. Then the OS loads normally. Every time you boot you have overwrite that section of the HD. With Nix varients and modern BIOS's this is not the case. Your boot records are static and HD life is not affected by multiple OS booting.

On older machines you have to create an extra partition. Older BIOSs are incapable of booting from beyond the first 1024 sectors. This means you have to create a boot partition for each OS as well as the main OS partition. You have to create the boot partitions FIRST. They have to be large enough to hold the boot record of that OS. Then you create the main partitions for that OS. One time long ago when I ran 2 versions of Windows and two Linux distros I had 3 HDs spit up into 15 partitions. It worked :) It was a nightmare to maintain but it worked.

www.knoppix.org is where you get knoppix. Click on the American/English flag to get the English version of the website.

Answer 2

The first thing is that what are the 2 operating system you want to install.

You can install both Win98, Windows 2000 in the same partition. However, you need to install windows 98 first and then Windows 2000.

You can also install WinXX, and linux on the same partition of your hard drive. Again, you have to install WinXX and then Linux,

Answer 3

Hi there. First of all, you must be having two or more partitions on your hard disk. Then it depends upon which OSs you wish to install. You should create partitions with sufficient memory for particular OS.

You can use bootable cd for formatting and partitionaning the hard disk. If you wish both OSs windows for example, Win98se and XP, then install 98 first. Then, install xp. But while installing xp, do not choose the "Upgrade installation" option. Install xp as a new installation. Otherwise it will replace files of Win98. Choose different partition for that.

It is important to note that the file system on the drive with 98 installed should not be NTFS.

Answer 4

Again, everyone is correct with their answers . . . I will add just one more bit for you though. There are software management tools to manage dual boot computers (LiLo, Windows OS management, etc) but if you wanted to stay away from that option (which I would - they tend to be flaky at times) I would get a second hard drive and install the second OS onto it. Then get an A/B switch to toggle which hard drive is the boot drive on powerup. This way you can select which OS will start before bootup and not have to interact with the bootup process just to select which OS you would like.
This also bypasses the issue of certain OSs not being able to be configured in a dual boot scenario.

Answer 5

If your hardware is compatible with both OSs, and you have enough memory, you should check to see if either are capable of multi-boot configurations.

For example, Windows can install as a multi-boot. My laptop has XP Home and XP pro. On startup, it asks which OS to start in.

As a rule of thumb, you might consider installing one OS on one partition (for example, the C: drive) and the other on a second partition (again, for example, the D: drive). Similarly, you should try to keep programs and files used by each OS on the appropriate partition/drive, to insure correct drive management.

Answer 6

see for installting 2-operating systems.. you should have to keep any first operating system on FAT32 and other should be on NTFS or you can keep the both no probs.. but the installing software should not be any server like windows 2000 advance server or windows 2003 advance server ... it can be windows xp home edition and windows 98 or windows xp professional.. when it ask you to update when you have already one then select the option.. other dirve thts all simply every ting goes as usually

Answer 7

Create a 2nd partition on your hard drive. Install the 2nd operating system on the 2nd partition.

Answer 8

You can use vmware/virtual PC.
There are a number of ways to do it but first we need to know what is the operating system. Some OS may reply on specific hardware, such as AS/400, Mac, etc.

Answer 9

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Answer 10

if u want to install 98 and Xp than first install 98 and than install Xp in other drive of 98
and if u wan to ins windows with Linux u need to make ntfs for one drive for Linux and windows will go with fat32