/usr/share/help/de/system-admin-guide/ is in gnome-user-docs-de 3.28.1-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/help/de/system-admin-guide/appearance.page
/usr/share/help/de/system-admin-guide/dconf-custom-defaults.page
/usr/share/help/de/system-admin-guide/dconf-keyfiles.page
/usr/share/help/de/system-admin-guide/dconf-lockdown.page
/usr/share/help/de/system-admin-guide/dconf-nfs-home.page
/usr/share/help/de/system-admin-guide/dconf-profiles.page
/usr/share/help/de/system-admin-guide/dconf-snippets.xml
/usr/share/help/de/system-admin-guide/dconf.page
/usr/share/help/de/system-admin-guide/desktop-background.page
/usr/share/help/de/system-admin-guide/desktop-favorite-applications.page
/usr/share/help/de/system-admin-guide/desktop-lockscreen.page
/usr/share/help/de/system-admin-guide/desktop-shield.page
/usr/share/help/de/system-admin-guide/extensions-enable.page
/usr/share/help/de/system-admin-guide/extensions-lockdown.page
/usr/share/help/de/system-admin-guide/extensions.page
/usr/share/help/de/system-admin-guide/fonts-user.page
/usr/share/help/de/system-admin-guide/fonts.page
/usr/share/help/de/system-admin-guide/index.page
/usr/share/help/de/system-admin-guide/keyboard-layout.page
/usr/share/help/de/system-admin-guide/legal.xml
/usr/share/help/de/system-admin-guide/lockdown-command-line.page
/usr/share/help/de/system-admin-guide/lockdown-file-saving.page
/usr/share/help/de/system-admin-guide/lockdown-online-accounts.page
/usr/share/help/de/system-admin-guide/lockdown-printing.page
/usr/share/help/de/system-admin-guide/lockdown-repartitioning.page
/usr/share/help/de/system-admin-guide/login-automatic.page
/usr/share/help/de/system-admin-guide/login-banner.page
/usr/share/help/de/system-admin-guide/login-enterprise.page
/usr/share/help/de/system-admin-guide/login-fingerprint.page
/usr/share/help/de/system-admin-guide/login-logo.page
/usr/share/help/de/system-admin-guide/login-userlist-disable.page
/usr/share/help/de/system-admin-guide/login.page
/usr/share/help/de/system-admin-guide/logout-automatic.page
/usr/share/help/de/system-admin-guide/mime-types-application-user.page
/usr/share/help/de/system-admin-guide/mime-types-application.page
/usr/share/help/de/system-admin-guide/mime-types-custom-user.page
/usr/share/help/de/system-admin-guide/mime-types-custom.page
/usr/share/help/de/system-admin-guide/mime-types.page
/usr/share/help/de/system-admin-guide/network-printer-config.page
/usr/share/help/de/system-admin-guide/network-server-list.page
/usr/share/help/de/system-admin-guide/network-vpn.page
/usr/share/help/de/system-admin-guide/network.page
/usr/share/help/de/system-admin-guide/overrides.page
/usr/share/help/de/system-admin-guide/power-dim-screen.page
/usr/share/help/de/system-admin-guide/processes.page
/usr/share/help/de/system-admin-guide/session-custom.page
/usr/share/help/de/system-admin-guide/session-debug.page
/usr/share/help/de/system-admin-guide/session-user.page
/usr/share/help/de/system-admin-guide/setup.page
/usr/share/help/de/system-admin-guide/software.page
/usr/share/help/de/system-admin-guide/sundry.page
/usr/share/help/de/system-admin-guide/user-settings.page