/usr/ is in libgraphics-libplot-perl 2.2.2-7.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/perl5/
/usr/lib/x86_64-linux-gnu/perl5/5.26/
/usr/lib/x86_64-linux-gnu/perl5/5.26/Graphics/
/usr/share/man/
/usr/share/man/man3/
/usr/share/man/man3/Graphics::Libplot.3pm.gz
/usr/lib/x86_64-linux-gnu/perl5/5.26/Graphics/Libplot.pm
/usr/lib/x86_64-linux-gnu/perl5/5.26/auto/
/usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Graphics/
/usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Graphics/Libplot/
/usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Graphics/Libplot/Libplot.so
/usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Graphics/Libplot/autosplit.ix
/usr/share/
/usr/share/doc/
/usr/share/doc/libgraphics-libplot-perl/
/usr/share/doc/libgraphics-libplot-perl/changelog.Debian.gz
/usr/share/doc/libgraphics-libplot-perl/copyright
/usr/share/doc/libgraphics-libplot-perl/examples/
/usr/share/doc/libgraphics-libplot-perl/examples/README.examples
/usr/share/doc/libgraphics-libplot-perl/examples/ccurve
/usr/share/doc/libgraphics-libplot-perl/examples/movingeye
/usr/share/doc/libgraphics-libplot-perl/examples/rothello
/usr/share/doc/libgraphics-libplot-perl/examples/spiralbox
/usr/share/doc/libgraphics-libplot-perl/examples/spiraltext