/usr/ is in cl-chunga 1.1.5-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/common-lisp/systems/
/usr/share/common-lisp/source/
/usr/share/common-lisp/source/chunga/
/usr/share/common-lisp/
/usr/share/
/usr/share/doc/
/usr/share/doc/cl-chunga/
/usr/share/doc/cl-chunga/changelog.gz
/usr/share/doc/cl-chunga/index.html
/usr/share/doc/cl-chunga/changelog.Debian.gz
/usr/share/doc/cl-chunga/copyright
/usr/share/common-lisp/source/chunga/input.lisp
/usr/share/common-lisp/source/chunga/packages.lisp
/usr/share/common-lisp/source/chunga/output.lisp
/usr/share/common-lisp/source/chunga/known-words.lisp
/usr/share/common-lisp/source/chunga/conditions.lisp
/usr/share/common-lisp/source/chunga/read.lisp
/usr/share/common-lisp/source/chunga/chunga.asd
/usr/share/common-lisp/source/chunga/specials.lisp
/usr/share/common-lisp/source/chunga/util.lisp
/usr/share/common-lisp/source/chunga/streams.lisp
/usr/share/common-lisp/systems/chunga.asd