 
 
| Command | Description | 
| write A [N] | write N terms starting at the address A using write/1 (section 6.14.6) | 
| data A [N] | display N words starting at the address A | 
| modify A [N] | display and modify N words starting at the address A | 
| where SA | display the real address corresponding to SA | 
| what RA | display what corresponds to the real address RA | 
| deref A | display the dereferenced word starting at the address A | 
| envir [SA] | display the contents of the environment located at SA (or the current one) | 
| backtrack [SA] | display the contents of the choice-point located at SA (or the current one) | 
| backtrack all | display all choice-points | 
| quit | quit the WAM debugger | 
| help | display a summary of available commands | 
 
