>I have many applications under development
>
>so I have to start with "set defaut to"
>
>But sometimes the path can be very long
>
>Is there any place I can automate this ?
>
>If I create a form with button to each path command, how can I put this form as the VFP starts ?

You should check out the Environment Manager which is a part of the TaskPane Manager. Tols->Task Pane. It's made especially for keeping track of the different environments when you work with many projects.