R. David Murray added the comment:

Just as a data point, I always found it confusing when viewing the subprocess 
docs that I had to page past the 'convenience functions' to get to what I 
consider to be the "real" docs, the docs for Popen.  I rarely use the 
convenience functions; I find it harder to remember how they work than just 
using Popen, and in any case I usually end up writing an application-specific 
'cmd' function that uses Popen.  I haven't tried using run yet, so I don't 
really have an opinion on that.

I suppose its like carrying a swiss army knife in your pocket rather than 
carrying a steak knife, a pair of scissors, and a screwdriver.
If you were carrying a toolbox with *all* the tools, it might be different, but 
your choices are three tools or the swiss army knife, and to make matters worse 
those individual tools are really just the swiss army knife in disguise, but it 
looks different enough to be confusing.

Maybe having table of links at the start of the doc would be the most helpful, 
regardless of how the docs are re-organized.

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nosy: +r.david.murray

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