Demonstration of Interactive Lisp

This is a demo that runs Gnu Common Lisp (GCL) interactively.

When the demo is started, a window and a command menu are created. Click in the input area and type an expression, such as (+ 2 3) .


  1. You must be logged in to a host running X windows.
  2. Type xhost + (exactly as shown at left) in a window on that host to allow this server to write to your display.
  3. Enter your X display name here if needed; you may need to change what is shown in the box to your X display name. For example,
  4. Click to start the demo.
Gordon S. Novak Jr.