Most, if not all, Operating Systems modify your systems boot instructions to give the option of what to boot from,also some computers have a command that you can use(such as F11,depends on your computer)to go into your boot options menu.
I think using Super GRUB disc you would be able to easily set up your Boot file.
My operating system is [Windows, OS X, Linux, FreeBSD, Solaris 10, BeOS, AmigaOS, FreeDOS, Syllable].
mac os
In order of popularity: Windows XP Windows Vista Mac OS X Linux FreeBSD Solaris HP-UX
I would recommend Windows XP or anything within its range such as Windows Server 2003. But this is on my knowledge so do be careful for what you choose, if you are using it for a large business then you should choose Windows server 2003 but you might have to upgrade your hardware. If you are using it for home, use XP.
Linux, FreeBSD, NetBSD, OpenBSD, and Darwin can run a limited number of Windows programs using Wine.
You will need some operating system on your computer to run LimeWire. LimeWire is available for Linux, Mac OS X, and FreeBSD as well as Windows.
Yes
Many operating systems are used on servers, including Linux, Windows Server, Solaris, FreeBSD, and Mac OS X Server.
There are no hardware firewalls built into Windows 7, but from Windows 7 and on, Windows Defender is integrated into the system.
kernel
Relational databases can be run on almost all modern operating systems, including Windows, Linux, FreeBSD, and Mac OS X.
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...