On Wednesday 17 June 2009 19:45:50 ludovic coues wrote: > my /opt contain only openoffice, java and erlang stuff... > Nothing concerning kde. It seems that kde4 takes /usr and kde3 takes /opt/kde. This is from stable kde 4.2.4 $ which kate /usr/bin/kate $ which konsole /usr/bin/konsole $ which kfile /opt/kde/bin/kfile $ which kdevelop /opt/kde/bin/kdevelop $ which kdesu /usr/bin/kdesu I have a ton of stuff in /opt/kde but that is related to kdelib3 only. $ pacman -Qo /opt/kde/bin/kdevelop /opt/kde/bin/kdevelop is owned by kdevelop 3.5.4-1 $ pacman -Qo /opt/kde/bin/kfile /opt/kde/bin/kfile is owned by kdelibs3 3.5.10-3 -- Shridhar