user@Valhalla:~$ dpkg -l | grep libpng
ii imlib1 1.9.14-15 imaging library for X and X11 (using libpng2
ii libpng10-0 1.0.15-6 PNG library, older version – runtime
ii libpng12-0 1.2.5.0-7 PNG library – runtime
ii libpng12-dev 1.2.5.0-7 PNG library – development
ii libpng2 1.0.15-6 PNG library, older version – runtime
ii libpng3 1.2.5.0-7 PNG library – runtime
legutóbbi hsz