Kubuntu uses too much memory. What is the cause?

[Chris Jones]

> I'll keep looking for the real reason. My Kubuntu workstation at work usually 
> has more applications open and never uses swap.

Just out of interest, are they both the same OS ? Is one 32 bit and the 
other 64 bit by chance ? 64bit OSes tend to use a little more ram that 
32bit (due to various things like pointers being twice as big) ...

Chris