KDE su command problem

Hello all, i have installed slackware 10.2 (full install), the system boots and i have to run startx or kdm to start kde (or icewm,xfce etc), the problem im having is: in kde, i run a console and use the command su to become root, then if i try to run a kde program i get the error "command not found", its like if i couldn't see the programs, but if i go to /opt/kde/bin i can run them using ./ (like ./kwrite).

if im at / i can do this:
/opt/kde/bin/./kwrite
but not this
kwrite

I have no problems when runing as normal user, and i even can launch the programs using kdesu, im really confused with this, any help would be appreciated.
thanks in advance.

try this , then logout and then login again

Code:

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echo "PATH=$PATH:/opt/kde/bin" >> ~/.bash_profile

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it seems the KDE binaries arent in your $PATH

Try running:

Code:

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kdesu kwrite

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:)