/usr/ is in root-plugin-gui-qt 5.34.30-0ubuntu8.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/root5.34/
/usr/lib/x86_64-linux-gnu/root5.34/libQtRoot.rootmap
/usr/lib/x86_64-linux-gnu/root5.34/libQtRoot.so.5.34
/usr/lib/x86_64-linux-gnu/root5.34/libQtGSI.rootmap
/usr/lib/x86_64-linux-gnu/root5.34/libQtGSI.so.5.34
/usr/share/
/usr/share/doc/
/usr/share/doc/root-plugin-gui-qt/
/usr/share/doc/root-plugin-gui-qt/copyright
/usr/lib/x86_64-linux-gnu/libQtRoot.so.5.34
/usr/lib/x86_64-linux-gnu/root5.34/libQtGSI.so.5
/usr/lib/x86_64-linux-gnu/root5.34/libQtRoot.so.5
/usr/lib/x86_64-linux-gnu/root5.34/libQtRoot.so
/usr/lib/x86_64-linux-gnu/root5.34/libQtGSI.so
/usr/lib/x86_64-linux-gnu/libQtGSI.so.5.34
/usr/share/doc/root-plugin-gui-qt/changelog.Debian.gz