Useful commands

Next we provide a list of most commonly used command when working with Rscheme.  

,(trace function-name)    ;; start tracing function-name
,(no-break function-name) ;; end tracing function-name
(load file-name)          ;; load file. Tab completion is available
(print object             ;; print the object name. If desired, one can 
                          ;; redefine print as a method for a given class.