/etc/xdg/autostart/nautilus-autostart.desktop is in nautilus 1:3.10.1-0ubuntu8.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 | [Desktop Entry]
Type=Application
Name=Files
Exec=nautilus -n
OnlyShowIn=GNOME;Unity;
AutostartCondition=GSettings org.gnome.desktop.background show-desktop-icons
NoDisplay=true
X-Ubuntu-Gettext-Domain=nautilus
|