What are PATH and other environment variables, and how can I …
https://superuser.com/questions/284342/what-are-path-and-other-environment-variables-and-how-can-i-set-or-use-them
WEBMay 17, 2011 · the PATH. are very common here, and in most cases the answers are very similar to each other. In the future it would be nice to have a good Q/A for this. So the question is: What are environment variables, like the executable PATH, and how can I change and use them on major operating systems?
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