| clrscr | 
                     Clears the display screen | 
                  
                  
                     | commit
                      | 
                     Commits (saves) changes made in the current session | 
                  
                  
                     | exit
                      | 
                     Ends and exits the current mode. In the Global cnfiguration mode, this
                        command and moves to the PRIV EXEC mode.  | 
                  
                  
                     | help
                      | 
                     Displays the interactive help system | 
                  
                  
                     | no
                      | 
                     Negates a command or reverts values to their default settings | 
                  
                  
                     | revert
                      | 
                     Reverts changes to their last saved configuration | 
                  
                  
                     | service
                      | 
                     Invokes service commands to troubleshoot or debug (config-if) instance
                        configurations | 
                  
                  
                     | show
                      | 
                     Displays running system information | 
                  
                  
                     | write
                      | 
                     Writes the system's running configuration to memory or terminal |