How to find out full path (with options) to installed applications (such as Skype, Firefox, Chromium etc.) in Ubuntu 11.10 Oneiric for adding them to autostart?
Open a terminal and type
For example, The main executable/binary file of Firefox is
Actually this changes according to installation, but generally you can add applications with its command names such as skype, firefox, chromium-browser etc. You don't need the full path if those files in your path.
But, if you are looking for a way to see the full command name line, install alacarte:
Start it with typing "Main Menu" via dash. You can find applications and their command line parts in suitable sections.