/usr/ is in windows-el 2.48-3.
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/windows-el
/usr/lib/emacsen-common/packages/install/
/usr/lib/emacsen-common/packages/install/windows-el
/usr/share/
/usr/share/emacs/
/usr/share/emacs/site-lisp/
/usr/share/emacs/site-lisp/windows/
/usr/share/emacs/site-lisp/windows/windows.el
/usr/share/emacs/site-lisp/windows/pre.el
/usr/share/emacs/site-lisp/windows/revive.el
/usr/share/doc/
/usr/share/doc/windows-el/
/usr/share/doc/windows-el/README.Debian
/usr/share/doc/windows-el/copyright
/usr/share/doc/windows-el/windows.doc
/usr/share/doc/windows-el/changelog.Debian.gz