When you first invoke the System Browser, the Tree view is the default view. You can also switch to it from another view by choosing the relevant tab above the main view. The Tree view is shown in Displaying loaded systems using the Tree view below.
Figure 25.1 Displaying loaded systems using the Tree view
The System Browser window has four areas, described below.
LispWorks IDE User Guide (Macintosh version) - 25 Nov 2011