/usr/ is in gdl-mpfit 1.85+2017.01.03-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/
/usr/share/doc/
/usr/share/doc/gdl-mpfit/
/usr/share/doc/gdl-mpfit/MPREADME.gz
/usr/share/doc/gdl-mpfit/README.Debian
/usr/share/doc/gdl-mpfit/changelog.Debian.gz
/usr/share/doc/gdl-mpfit/copyright
/usr/share/doc/gdl-mpfit/examples/
/usr/share/doc/gdl-mpfit/examples/fakedata.sav.gz
/usr/share/doc/gdl-mpfit/examples/gauss1.pro
/usr/share/doc/gdl-mpfit/examples/gauss1p.pro
/usr/share/doc/gdl-mpfit/examples/gauss2.pro
/usr/share/doc/gdl-mpfit/html/
/usr/share/doc/gdl-mpfit/html/fitqa.html
/usr/share/doc/gdl-mpfit/html/index.html
/usr/share/doc/gdl-mpfit/html/linfitex.html
/usr/share/doc/gdl-mpfit/html/mpchilim.html
/usr/share/doc/gdl-mpfit/html/mpchitest.html
/usr/share/doc/gdl-mpfit/html/mpcurvefit.html
/usr/share/doc/gdl-mpfit/html/mpfit.html
/usr/share/doc/gdl-mpfit/html/mpfit2dfun.html
/usr/share/doc/gdl-mpfit/html/mpfit2dpeak.html
/usr/share/doc/gdl-mpfit/html/mpfitellipse.html
/usr/share/doc/gdl-mpfit/html/mpfitexpr.html
/usr/share/doc/gdl-mpfit/html/mpfitfun.html
/usr/share/doc/gdl-mpfit/html/mpfitpeak.html
/usr/share/doc/gdl-mpfit/html/mpfittut.html
/usr/share/doc/gdl-mpfit/html/mpftest.html
/usr/share/doc/gdl-mpfit/html/mpnormlim.html
/usr/share/doc/gdl-mpfit/html/mpnormtest.html
/usr/share/doc/gdl-mpfit/html/mpproperr.html
/usr/share/doc/gdl-mpfit/html/tnmin.html
/usr/share/doc-base/
/usr/share/doc-base/mpfit-api
/usr/share/gnudatalanguage/
/usr/share/gnudatalanguage/mpfit/
/usr/share/gnudatalanguage/mpfit/linfitex.pro
/usr/share/gnudatalanguage/mpfit/mpchilim.pro
/usr/share/gnudatalanguage/mpfit/mpchitest.pro
/usr/share/gnudatalanguage/mpfit/mpcurvefit.pro
/usr/share/gnudatalanguage/mpfit/mpfit.pro
/usr/share/gnudatalanguage/mpfit/mpfit2dfun.pro
/usr/share/gnudatalanguage/mpfit/mpfit2dpeak.pro
/usr/share/gnudatalanguage/mpfit/mpfitellipse.pro
/usr/share/gnudatalanguage/mpfit/mpfitexpr.pro
/usr/share/gnudatalanguage/mpfit/mpfitfun.pro
/usr/share/gnudatalanguage/mpfit/mpfitpeak.pro
/usr/share/gnudatalanguage/mpfit/mpftest.pro
/usr/share/gnudatalanguage/mpfit/mpnormlim.pro
/usr/share/gnudatalanguage/mpfit/mpnormtest.pro
/usr/share/gnudatalanguage/mpfit/mpproperr.pro
/usr/share/gnudatalanguage/mpfit/tnmin.pro