The format of the command line is: 
               	 
            
 
            	 cobfhrepro2/cobfhrepro3 [options]
 
            	 Use 
               		cobfhrepro2 when you are using the FCD2 data structure and 
               		cobfhrepro3 when you are using FCD3. 
               	 
            
 
            	 
            The options specified on the command line define the operation to be carried out by the Trace Player. The following options
               are available: 
               	 
            
 
            	 
            
               		
               		  
               - num
                  		  
               
- Replays all the operations in one session, where 
                  			 num is the session ID. If 
                  			 num = 0, all the operations in all the sessions are replayed. 
                  		  
               
- /a
                  		  
               
- Displays arguments; use in conjunction with /d 
                  		  
               
- /d
                  		  
               
- Displays the trace information for each operation in I/O number order
                  		  
               
- /eop-num
                  		  
               
- Ends the replay at the I/O number 
                  			 op-num
                  		  
               
- /f
                  		  
               
- Displays the files needed for a replay
                  		  
               
- /nfilename
                  		  
               
- Trace a specific file
                  		  
               
- /pop-num
                  		  
               
- Pauses the replay at the I/O number 
                  			 op-num; press 
                  			 Enter to continue
                  		  
               
- /t
                  		  
               
- Displays only operations that fail and final status
                  		  
               
If you run the Trace Player with no options, it creates the script that plays back each session in session order and informs
               you of the script's name. You must do this before every invocation of the script.