How to find Version of Qt?

Question

How do I know which version of Qt I am using? When I open Qt Creator it shows \"Welcome to Qt Creator 2.3\". In the build setting, however, it shows Qt Version 4.7.1.

Answer 1

my usual starting point to investigate which software is installed is with

dpkg -l | grep "what I am looking for"

you should get a list of installed packages. Then with

dpkg -L "packagename" # (or whatever your package manager is)

you get a list of installed files for that package