I know it is a newbie question. But it confuse me for a long time. Every time I use command "setenv PATH $HOME/bin" to add the $HOME/bin to the $PATH. After I logout and login, the $HOME/bin is disappeared from the $PATH. I have to redo command "setenv PATH $HOME/bin" to add the $HOME/bin to the $PATH. Is there anyway I can add directory to the $PATH permanently by not using the root permission. Thanks.