I know they think that they are being helpful, but in fact they are being quite the opposite here in the
apt --help and manpage:
Much like apt itself, its manpage is intended as an end user interface
and as such only mentions the most used commands and options partly to
not duplicate information in multiple places and partly to avoid
overwhelming readers with a cornucopia of options and details.
So basically in other words they only list a few of the commands and options and give you no idea about how to find out the rest which is greatly unhelpful if I am to use this tool.
So what are all the commands and options that they feel they are being 'helpful' not to provide, what are their details and usage, and how can I keep up-to-date with this information if they do not provide it officially? Or perhaps that has changed now and they are listed somewhere?
I am running Ubuntu GNOME 16.04 with GNOME 3.20.