/usr/ is in libmagick++-dev 8:6.7.7.10-6ubuntu3.13.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/Magick++.pc
/usr/lib/x86_64-linux-gnu/pkgconfig/ImageMagick++.pc
/usr/lib/x86_64-linux-gnu/libMagick++.la
/usr/lib/x86_64-linux-gnu/libMagick++.a
/usr/share/
/usr/share/man/
/usr/share/man/man1/
/usr/share/man/man1/Magick++-config.1.gz
/usr/share/doc/
/usr/share/doc/libmagick++-dev/
/usr/share/doc/libmagick++-dev/copyright
/usr/include/
/usr/include/ImageMagick/
/usr/include/ImageMagick/Magick++/
/usr/include/ImageMagick/Magick++/TypeMetric.h
/usr/include/ImageMagick/Magick++/STL.h
/usr/include/ImageMagick/Magick++/Exception.h
/usr/include/ImageMagick/Magick++/Geometry.h
/usr/include/ImageMagick/Magick++/Montage.h
/usr/include/ImageMagick/Magick++/Drawable.h
/usr/include/ImageMagick/Magick++/Include.h
/usr/include/ImageMagick/Magick++/Pixels.h
/usr/include/ImageMagick/Magick++/CoderInfo.h
/usr/include/ImageMagick/Magick++/Color.h
/usr/include/ImageMagick/Magick++/Image.h
/usr/include/ImageMagick/Magick++/Blob.h
/usr/include/ImageMagick/Magick++.h
/usr/bin/
/usr/bin/Magick++-config
/usr/lib/x86_64-linux-gnu/libMagick++.so
/usr/share/doc/libmagick++-dev/NEWS.Debian.gz
/usr/share/doc/libmagick++-dev/changelog.Debian.gz