List of SIC commands:

 @   < filename  >  Execute a SIC-command macro 'filename' 
BREAK 		        Terminates loop execution 
CONTINUE 		       Resumes macro or loop execution
DCL 		         Entering (VAX-)VMS command-level
DEFINE   < type  >  Defines SIC-variable of type 'type'
DELETE 		           Deletes variables or symbols
EDIT 		          Edit stack 
EDIT   < filename  >  Edit file with name 'filename'
ELSE 		            Part of IF THEN ELSE ENDIF conditional structure 
ENDIF 		            End of IF THEN ELSE ENDIF conditional structure 
EXAMINE 		            List of all SIC-variables 
EXAMINE   < var  >  Content of the SIC-variable 'var' is displayed 
EXIT 		              Exits from program 
FOR 		              Loop, going from FOR to NEXT
HELP            
IF 		               Start conditional structure from IF to ENDIF 
LET 		              Assigns a value to a  SIC-variable 
NEXT 		              End of a FOR-loop 
ON ERROR 		           Changes the error recovery 
PAUSE 		            Break point in a loop or macro 
QUIT 		            Aborts an execution  
RECALL 		             Recalls a line from the stack 
RETURN 		           Terminates a procedure execution 
SAY   < "text"  >    < 'var'  >  Output a 'text' or contents of variable 'var' 
SIC DIR   < directory  >  Change directory to 'directory' in SIC 
SYMBOL 		               Defines, lists and deletes symbols 
TYPE 		             Lists the stack 
TYPE   < filename  >  Lists the file with name 'filename'