There are several ways to open a new perspective within this Workbench window:
To open one by using the shortcut bar button:
Click on the Open Perspective button .
In the Select Perspective dialog choose Debug and click OK.
The Debug perspective is displayed.
There are several other interesting things to take note of.
The title of the window now indicates that the Debug perspective is in use.
The shortcut bar now contains the original Resource perspective, and the new Debug perspective. The Debug perspective button is pressed in, indicating that it is the current perspective.
To display the full name of the perspective right click the perspective bar and check
In the shortcut bar, click on the Resource perspective button. The Resource perspective is once again the current perspective. Notice that the set of views is different for each of the perspectives.