How to check my Gtk version in Ubuntu?

Data source: How do you find out which version of the GTK Ubuntu is using?

How to check my Gtk version in Ubuntu?

Ans:

1. dpkg -l libgtk[0-9]* | grep ^i
2. pkg-config --modversion gtk+-2.0
3. dpkg -s libgtk2.0-0 | grep '^Version'
4. gtk-config --version