BLOX is a GUI front-end to GNU's open-source Smalltalk system, called gst. The system's Web site is
The gst documentation is oriented to gst's command-line system, not programming through BLOX. This page is a tutorial describing how to program with BLOX, without understanding the underlying command-line system.
Table of Contents
1. Starting BLOX
2. Evaluating expressions
3. Browsing classes
4. Creating classes
5. Saving in BLOX
Next: Starting BLOX.