Reference:
GOPATH: environment variable that specifies the location of your workspace. If no GOPATH is set, it is assumed to be $HOME/go on Unix systems and %USERPROFILE%\go on Windows. more
/usr/local/go under Unix or c:\Go on Windows.$PATH environment variable. usually /etc/profile, or $HOME/.profile on Linux/FreeBSD; /etc/paths.d/go on MacOS; or Windows environment variable settings.
If you could revise
the fundmental principles of
computer system design
to improve security...
... what would you change?