rhel5

RHEL 5 - Path Environment Variable Changes Don't Take Effect

Hello, I am having a problem in Red Hat Enterprise Linux, I'm a newb to Linux so this is probably something very simple. I installed a new 64-bit JDK (1.6.0_18) on RHEL 5 (64-bit), and now i need to set the path so that linux will go for the 1.6.0_18 instead of the old JRE 1.4.2. But everytime i set the path variable, its like the chang...