/usr/ is in elpa-dash 2.13.0+dfsg-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/info/
/usr/lib/
/usr/lib/emacsen-common/
/usr/lib/emacsen-common/packages/
/usr/lib/emacsen-common/packages/compat/
/usr/lib/emacsen-common/packages/compat/elpa-dash
/usr/lib/emacsen-common/packages/install/
/usr/lib/emacsen-common/packages/install/elpa-dash
/usr/lib/emacsen-common/packages/remove/
/usr/lib/emacsen-common/packages/remove/elpa-dash
/usr/share/
/usr/share/doc/
/usr/share/doc/elpa-dash/
/usr/share/doc/elpa-dash/changelog.Debian.gz
/usr/share/doc/elpa-dash/copyright
/usr/share/emacs/
/usr/share/emacs/site-lisp/
/usr/share/emacs/site-lisp/elpa-src/
/usr/share/emacs/site-lisp/elpa-src/dash-2.13.0/
/usr/share/emacs/site-lisp/elpa-src/dash-2.13.0/dash-autoloads.el
/usr/share/emacs/site-lisp/elpa-src/dash-2.13.0/dash-pkg.el
/usr/share/emacs/site-lisp/elpa-src/dash-2.13.0/dash.el
/usr/share/info/dash.info.gz