"Supplied Shortcuts" means the installer makes shortcuts that call the game with a certain set of arguments to it.
You can find two of them (Tribes 2 Online, Tribes 2 Solo & LAN) in "C:\Dynamix\Tribes2" if you just clicked Next > Next > next in the installer. Some mods include Shortcuts to make it easier to launch them, too.
That happens if you run the executable without any parameters. You can do this by creating a shortcut to the T2 executable and then modifying the shortcut's "target" property to say something like:
Comments
You can find two of them (Tribes 2 Online, Tribes 2 Solo & LAN) in "C:\Dynamix\Tribes2" if you just clicked Next > Next > next in the installer. Some mods include Shortcuts to make it easier to launch them, too.
"C:\Dynamix\Tribes2\GameData\Tribes2.exe" -online -mod Classic