How to install new version of ROOT without removing the older version?

[Wile_E_Coyote]

Sourcing root for all users

So, the common approach for sourcing ROOT seems to be just including source /path/to/root/bin/thisroot.sh in your ~/.bashrc I was thinking that in order for it to work for all users, you could do the same in /etc/bash.bashrc (but that doesn’t seem to work). And that for it to work also when accessing the computer via SSH, you could do the same in /etc/environment. Neither of these options, however, seem to work for me, and I’m at my wits’ end. How have/would you solve this? I want to set t…