If you’ve read any instructions on the web for how to install something, you’ve likely read a statement about adding something to your $PATH. More specifically, it probably included an export statement, a directory, and then a file into which to pipe the command, right?

In fact, you may see a directive like this:

Make sure the ~/.composer/vendor/bin directory is in your system’s “PATH”.

Which means that you should do something like the following:

export PATH="$PATH:$HOME/.composer/vendor/bin"

But if you’re new to working in the terminal, let alone environmental variables, how are you supposed to know how to translate the statement into the above command?

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