Saving a User Defined Perspective
  If you have modified a perspective by adding, deleting, or moving (docking) views, you can save your changes for
  future use.
  
    - Switch to the perspective that you want to save.
- Click  Window > Perspective > Save
    Perspective As.... Window > Perspective > Save
    Perspective As....
- Type a new name for the perspective into the Name field.
- Click OK.
The name of the new perspective is added to the Window > Perspective > Open Perspective menu.
  Perspectives
  Views
  Resetting perspectives
  Deleting a user defined perspective
  Opening views
  Moving and docking views