i compressed a folder on my 12.10 xubuntu install and it went from 12kb to 10kb
i compressed the same folder on my 10.04 ubuntu install and it went from 12kb to 2.6kb
i was using .tar.bz2
on my 10.04 install i have file rollers compresion level at maimum

how can i get my 12.10 install to do this?