You can find a pdf.tar.gz documentation relative to the
current Midas version under doc/midasdoc-pdf-x.y.z.tar.gz.
This documentation (midas.pdf)
can be extracted with the following command:
> tar -zxvf midasdoc-pdf-x.y.z.tar.gz
Or you can access the online documentation either for
the Swiss or Canadian site where
ever is closer to you.