Software installation on modern Ubuntu

[Коля Гурьев]

26.08.2017 19:16, Nrbrtx пишет:
> Let's assume that we need to install libgtk2.0-dev from gnome-software.
> How to do it? Simple search of libgtk2.0-dev produces no results (note: 
> software-center finds and installs this package). Any other ideas?
> gnome-software is a toy for installing nice games and GUI applications.

And by the way, why are the search results different? These programs use
different repositories?