/usr/share/ubiquity-slideshow/slides/l10n/tr/ is in ubiquity-slideshow-edubuntu 113.
This file is owned by root:root, with mode 0o755.
..
/usr/share/ubiquity-slideshow/slides/l10n/tr/accessibility.html
/usr/share/ubiquity-slideshow/slides/l10n/tr/arkose.html
/usr/share/ubiquity-slideshow/slides/l10n/tr/calc.html
/usr/share/ubiquity-slideshow/slides/l10n/tr/calibre.html
/usr/share/ubiquity-slideshow/slides/l10n/tr/desktop-software.html
/usr/share/ubiquity-slideshow/slides/l10n/tr/documentation.html
/usr/share/ubiquity-slideshow/slides/l10n/tr/edubuntu-menu-editor.html
/usr/share/ubiquity-slideshow/slides/l10n/tr/empathy.html
/usr/share/ubiquity-slideshow/slides/l10n/tr/epoptes.html
/usr/share/ubiquity-slideshow/slides/l10n/tr/fonts.html
/usr/share/ubiquity-slideshow/slides/l10n/tr/freemind.html
/usr/share/ubiquity-slideshow/slides/l10n/tr/gbrainy.html
/usr/share/ubiquity-slideshow/slides/l10n/tr/installing-software.html
/usr/share/ubiquity-slideshow/slides/l10n/tr/kdeedu.html
/usr/share/ubiquity-slideshow/slides/l10n/tr/librecad.html
/usr/share/ubiquity-slideshow/slides/l10n/tr/ltsp.html
/usr/share/ubiquity-slideshow/slides/l10n/tr/pencil.html
/usr/share/ubiquity-slideshow/slides/l10n/tr/testdrive.html
/usr/share/ubiquity-slideshow/slides/l10n/tr/tomboy.html
/usr/share/ubiquity-slideshow/slides/l10n/tr/tux4kids.html
/usr/share/ubiquity-slideshow/slides/l10n/tr/underthehood.html
/usr/share/ubiquity-slideshow/slides/l10n/tr/vym.html
/usr/share/ubiquity-slideshow/slides/l10n/tr/welcome.html