Usually, activating a virtualenv gives you a shell function named:
which puts things back to normal.
I have just looked specifically again at the code for
virtualenvwrapper, and, yes, it too supports
deactivate as the way to escape from all virtualenvs.
If you are trying to leave an Anaconda environment, the command depends upon your version of
conda. Recent versions (like 4.6) install a
conda function directly in your shell, in which case you run:
Older conda versions instead implement deactivation using a stand-alone script: