Let's go to our applications folder, which should contain most of the *.desktop files responsible for your Applications menu.
cd /usr/share/applications/Let's assume you want to autostart guake. Check for folder contents with ls or find the programme you want to auto start with ls | grep guake. Then, copy that file to your autostart folder.
cp guake.desktop ~/.config/autostart/Done.
Also check out the Desktop Application Autostart specification if you're interested.
Originally published on 2013-01-31 08:19.