You can install Ubuntu on an empty part of the hard disk. Then you boot into it. Since you can only boot into one OS at the same time, the other is inactive at that moment.
I have a 7 years old pc. Low end dual core with 1 gb ram. It has vista preinstalled. I want to try ubentu on that pc.
Can i let ubentu take over the computer without uninstall vista. Is there a eay i can hibernate the vista? so it wont run at all when i try to test ubentu to its full potential? Thx