/usr/ is in elpa-flx 0.6.1-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/
/usr/lib/emacsen-common/
/usr/lib/emacsen-common/packages/
/usr/lib/emacsen-common/packages/remove/
/usr/lib/emacsen-common/packages/remove/elpa-flx
/usr/lib/emacsen-common/packages/compat/
/usr/lib/emacsen-common/packages/compat/elpa-flx
/usr/lib/emacsen-common/packages/install/
/usr/lib/emacsen-common/packages/install/elpa-flx
/usr/share/
/usr/share/emacs/
/usr/share/emacs/site-lisp/
/usr/share/emacs/site-lisp/elpa-src/
/usr/share/emacs/site-lisp/elpa-src/flx-0.6.1/
/usr/share/emacs/site-lisp/elpa-src/flx-0.6.1/flx.el
/usr/share/emacs/site-lisp/elpa-src/flx-0.6.1/flx-pkg.el
/usr/share/emacs/site-lisp/elpa-src/flx-0.6.1/flx-autoloads.el
/usr/share/doc/
/usr/share/doc/elpa-flx/
/usr/share/doc/elpa-flx/copyright
/usr/share/doc/elpa-flx/changelog.Debian.gz
/usr/share/doc/elpa-flx/README.md.gz