How to properly install two ubuntas so that they do not have common partitions?

Question

linux

I'm trying to find a manual for installing two ubunts on one disk with the condition that they are completely separate systems without common partitions, the manuals that I saw suggest doing with common partitions.

Answer 1

Just cut the hard drive into several partitions and put Linux on them. The bootloader itself will find both OSes and register them in GRUB. I don't see a problem.

Answer 2

It depends on what you mean by "completely separated".
One Linux will still have access to the partitions of the other, if you do not encrypt them.
Well, and another question - what exactly is the task.
My wife and daughter sit on my home machine from time to time, so separate users are simply created for them. If you wish, you can isolate one from the other no worse than in different systems, and they do not need admin rights.

Answer 3

When installing, specify the root ( / ) in different partitions.
Hamsters can also be in different sections, if you want.
Usernames are different if the hamsters are in the same section.
Previously, essno beat the disk.
Example:

Yes, I forgot, you also need to make partitions for swaps.