switch#write ?                                                              
  erase     Erase NV memory                                                     
  memory    Write to NV memory                                                  
  network   Write to network TFTP server                                        
  terminal  Write to terminal                                                   
  <cr>

switch#configure ?                                                          
  memory             Configure from NV memory                                   
  network            Configure from a TFTP network host                         
  overwrite-network  Overwrite NV memory from TFTP network host                 
  terminal           Configure from the terminal                                
  <cr>                                                                          

switch#dir system:/

switch#dir nvram:/

switch#dir flash:/

switch#more system:/running-config

switch#more nvram:/startup-config

switch#copy system:/running-config nvram:/startup-config

switch#more flash:/config.text

switch#more flash:/c2950-i6q4l2-mz.121-11.EA1.bin

router#more tftp://server/firewall.acl