Activate environment with "source" or "conda"?

[Tom Loredo]

Hi conda experts-

I've been puzzled about this for a while.  Sometimes, when I create a new conda env, I get the following instructions for activation:

To activate this environment, use:

> source activate py27env

To deactivate an active environment, use:

> source deactivate

Other times I get:

To activate this environment, use

 $ conda activate py36env

To deactivate an active environment, use

 $ conda deactivate

Note the use of "conda" instead of "source" (these examples also used two different Python versions).

The docs indicate that "source" is right:

https://conda.io/docs/user-guide/getting-started.html#managing-environments

That's what I've always used. Some students I teach (we use conda/anaconda in my course) instead use "conda" and seem to have no problem.

Is there a difference? Is there a reason the "conda create" command sometimes tells me to use "source" vs. "conda" for activation?

-Tom

[Michael Sarahan]

conda 4.4 added the new option.  Both should still work.  The new option is nice because it finally unifies the commands necessary between Windows and Linux/Mac.  It also removes the conflict with virtualenv, which also depended on a script named "activate."  It does require some setup, though, and I'm not sure exactly what the status on docs for that is.  I'd say give it a try - if it doesn't work, please file an issue on the conda github issue tracker and ask for the docs to be updated.

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[Wilfred Tyler Gee]

The docs here are out of date and confusing. Any indication about when this change will make it into the docs? I'm left confused as to which way I should setup and activate environment.

Cheers!