A Unity ID allows you to buy and/or subscribe to Unity products and services, shop in the Asset Store and participate in the Unity community.
Separate names with a comma.
The file did not have a space character. Good idea though.
On a fresh Ubuntu install using the MonoDevelop setup provided by the Unity installer MonoDevelop won't open when selecting a script to edit. The...
You might try openProj (http://sourceforge.net/projects/openproj/) if you're on a window box, or Project Libre...