/usr/ is in ocaml-mode 4.05.0-10ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/emacs/site-lisp/
/usr/share/emacs/site-lisp/ocaml-mode/
/usr/bin/
/usr/bin/ocamltags
/usr/lib/
/usr/lib/emacsen-common/
/usr/lib/emacsen-common/packages/
/usr/lib/emacsen-common/packages/compat/
/usr/lib/emacsen-common/packages/compat/ocaml-mode
/usr/lib/emacsen-common/packages/install/
/usr/lib/emacsen-common/packages/install/ocaml-mode
/usr/lib/emacsen-common/packages/remove/
/usr/lib/emacsen-common/packages/remove/ocaml-mode
/usr/share/
/usr/share/doc/
/usr/share/doc/ocaml-mode/
/usr/share/doc/ocaml-mode/README.Debian
/usr/share/doc/ocaml-mode/changelog.Debian.gz
/usr/share/doc/ocaml-mode/copyright
/usr/share/emacs/
/usr/share/emacs/site-lisp/ocaml-mode/caml-compat.el
/usr/share/emacs/site-lisp/ocaml-mode/caml-emacs.el
/usr/share/emacs/site-lisp/ocaml-mode/caml-font.el
/usr/share/emacs/site-lisp/ocaml-mode/caml-help.el
/usr/share/emacs/site-lisp/ocaml-mode/caml-hilit.el
/usr/share/emacs/site-lisp/ocaml-mode/caml-types.el
/usr/share/emacs/site-lisp/ocaml-mode/caml-xemacs.el
/usr/share/emacs/site-lisp/ocaml-mode/caml.el
/usr/share/emacs/site-lisp/ocaml-mode/camldebug.el
/usr/share/emacs/site-lisp/ocaml-mode/inf-caml.el