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bin/ vs no bin/ in terminal ...
wondering why we are told you type /bin before the rake commands and most of this tutorial why can't we just use the standard prompt without starting with /bin?
Because it's a different command without calling /bin/rails
by default it uses your path from ~/.profile but when you are inside your project you have a separate bin directory there and you are actually invoking project's command instead of a <system's> command.
Does it make sense ?