B-6
Cisco 3900 Series, Cisco 2900 Series, and Cisco 1900 Series Integrated Services Routers Generation 2 Software Configuration Guide
Appendix B      Using CompactFlash Memory Cards
  File Operations on CompactFlash Memory Cards
Displaying Geometry and Format Information
To display the geometry and format information of a CF flash file system, enter the show flash0: filesys 
command in privileged EXEC mode.
Note Use flash1: in the command syntax to access CF in slot 1. Use flash0: in the command syntax 
to access CF in slot 0.
Router# show flash0: filesys
******** ATA Flash Card Geometry/Format Info ********
ATA CARD GEOMETRY
   Number of Heads:      4
   Number of Cylinders    490
   Sectors per Cylinder   32
   Sector Size            512
   Total Sectors          62720
ATA CARD FORMAT
   Number of FAT Sectors  31
   Sectors Per Cluster    8
   Number of Clusters     7796
   Number of Data Sectors 62560
   Base Root Sector       155
   Base FAT Sector        93
   Base Data Sector       187
Deleting Files
To delete a file from a CF memory card, enter the delete flash0: command. 
Note Use flash1: in the command syntax to access CF in slot 1. Use flash0: in the command syntax to access 
CF in slot 0.
Note The dir flash0: command does not display deleted files and files with errors.
Renaming Files
To rename a file on a CF memory card, enter the rename command in privileged EXEC mode.
Note Use flash1: in the command syntax to access CF in slot 1. Use flash0: in the command syntax 
to access CF in slot 0.
Router# dir flash0:
Directory of flash0:/
    3  -rw-     6458388   Mar 01 2004 00:00:58 c2900-universalk9-mz.tmp