/schemas/desktop/gnome/thumbnailers/application@pdf/enable /desktop/gnome/thumbnailers/application@pdf/enable evince bool true Enable thumbnailing of PDF Documents Boolean options available, true enables thumbnailing and false disables the creation of new thumbnails /schemas/desktop/gnome/thumbnailers/application@pdf/command /desktop/gnome/thumbnailers/application@pdf/command evince string evince-thumbnailer -s %s %u %o Thumbnail command for PDF Documents Valid command plus arguments for the PDF Document thumbnailer. See nautilus thumbnailer documentation for more information.