I installed texlive 2009 in my system by accident, and I have use every way I know to remove it. Did not work...
sudo apt-get remove texlive
Reading package lists... Done
Building dependency tree
Reading state information... Done
Package texlive is not installed, so not removed
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
but if type tex in the terminal...
tex
This is TeX, Version 3.1415926 (TeX Live 2009/Debian)