pls go ahead and read the first response:<p><a href="http:&#x2F;&#x2F;unix.stackexchange.com&#x2F;questions&#x2F;117467&#x2F;how-to-permanently-set-environmental-variables" rel="nofollow">http:&#x2F;&#x2F;unix.stackexchange.com&#x2F;questions&#x2F;117467&#x2F;how-to-perman...</a>