/usr/ is in libgnome2-dev 2.32.1-2ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/
/usr/share/doc/libgnome2-dev/
/usr/share/
/usr/share/doc/libgnome2-dev/copyright
/usr/include/
/usr/include/libgnome-2.0/
/usr/include/libgnome-2.0/libgnome/
/usr/include/libgnome-2.0/libgnome/gnome-sound.h
/usr/include/libgnome-2.0/libgnome/gnome-init.h
/usr/include/libgnome-2.0/libgnome/gnome-macros.h
/usr/include/libgnome-2.0/libgnome/gnome-gconf.h
/usr/include/libgnome-2.0/libgnome/gnome-i18n.h
/usr/include/libgnome-2.0/libgnome/gnome-config.h
/usr/include/libgnome-2.0/libgnome/gnome-help.h
/usr/include/libgnome-2.0/libgnome/gnome-triggers.h
/usr/include/libgnome-2.0/libgnome/gnome-score.h
/usr/include/libgnome-2.0/libgnome/gnome-url.h
/usr/include/libgnome-2.0/libgnome/gnome-program.h
/usr/include/libgnome-2.0/libgnome/gnome-exec.h
/usr/include/libgnome-2.0/libgnome/gnome-util.h
/usr/include/libgnome-2.0/libgnome/libgnometypebuiltins.h
/usr/include/libgnome-2.0/libgnome/libgnome.h
/usr/lib/
/usr/lib/pkgconfig/
/usr/lib/pkgconfig/libgnome-2.0.pc
/usr/lib/libgnome-2.a
/usr/share/doc/libgnome2-dev/AUTHORS
/usr/share/doc/libgnome2-dev/NEWS.gz
/usr/share/doc/libgnome2-dev/README
/usr/share/doc/libgnome2-dev/changelog.Debian.gz
/usr/lib/libgnome-2.so