Thanks to everyone for the advice. I will try out your suggestions
shortly; right now I am refraining from using Ubuntu for unrelated
reasons (negligence on my part has caused some problems that I need to
stay away from for a bit in order to troubleshoot). The Ubuntu is 64-
bit version and not 32.
I'm running Sage 3.2.1 on Ubuntu 8.10 (hardware: Macbook 3,1 Santa
Rosa with Intel Core 2 Duo). On installing Sage and starting it up for
the first time I get the message:
"WARNING! This Sage install was built on a machine that supports
instructions that are not available on this computer. Sage