A very basic question.
Whether all packages installed by
apt-get install reside in the same folder? If yes, where?
If no, how to find the location?
I am in the case of installing
matplotlib Basemap and it requires me to know where
geos_c.h file are located. I installed
apt-get install and had no idea to find those files.
Further question, what is
whichcommand doing? I did
which libgeos and it didn't output, while doing
which python gave