/usr/ is in graphicsmagick-imagemagick-compat 1.3.18-1ubuntu3.
This file is owned by root:root, with mode 0o755.
..
/usr/bin/
/usr/share/
/usr/share/doc/
/usr/share/doc/graphicsmagick-imagemagick-compat/
/usr/share/doc/graphicsmagick-imagemagick-compat/copyright
/usr/share/man/
/usr/share/man/man1/
/usr/bin/montage
/usr/bin/identify
/usr/bin/conjure
/usr/bin/convert
/usr/bin/composite
/usr/bin/animate
/usr/bin/mogrify
/usr/bin/import
/usr/bin/display
/usr/share/doc/graphicsmagick-imagemagick-compat/changelog.Debian.gz
/usr/share/man/man1/composite.1.gz
/usr/share/man/man1/convert.1.gz
/usr/share/man/man1/display.1.gz
/usr/share/man/man1/montage.1.gz
/usr/share/man/man1/import.1.gz
/usr/share/man/man1/conjure.1.gz
/usr/share/man/man1/mogrify.1.gz
/usr/share/man/man1/animate.1.gz
/usr/share/man/man1/identify.1.gz