56 | Getting Started
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In Figure 3-9, the default storage location is changed to the external Flash of the primary RPM. File 
management commands then apply to the external Flash rather than the internal Flash.
Figure 3-9.  Alternative Storage Location
View command history
The command-history trace feature captures all commands entered by all users of the system with a time 
stamp and writes these messages to a dedicated trace log buffer. The system generates a trace message for 
each executed command. No password information is saved to the file.
To view the command-history trace, use the 
show command-history command, as shown in Figure 487.
Figure 3-10.  Command Example show command-history
Upgrading and Downgrading FTOS
Note: To upgrade or downgrade FTOS, see the release notes for the version you want to load on the 
system.
FTOS#cd slot0:
FTOS#copy running-config test
FTOS#copy run test
!
7419 bytes successfully copied
FTOS#dir
Directory of slot0:
  1  drw-      32768   Jan 01 1980 00:00:00  .
  2  drwx        512   Jul 23 2007 00:38:44  ..
  3  ----          0   Jan 01 1970 00:00:00  DCIM
  4  -rw-       7419   Jul 23 2007 20:44:40  test
  5  ----          0   Jan 01 1970 00:00:00  BT
  6  ----          0   Jan 01 1970 00:00:00  200702~1VSN
  7  ----          0   Jan 01 1970 00:00:00  G
  8  ----          0   Jan 01 1970 00:00:00  F
  9  ----          0   Jan 01 1970 00:00:00  F
slot0: 127772672 bytes total (21927936 bytes free)
No File System Specified
File Saved to External Flash
FTOS#show command-history
[12/5 10:57:8]: CMD-(CLI):service password-encryption
[12/5 10:57:12]: CMD-(CLI):hostname FTOS
[12/5 10:57:12]: CMD-(CLI):ip telnet server enable
[12/5 10:57:12]: CMD-(CLI):line console 0
[12/5 10:57:12]: CMD-(CLI):line vty 0 9
[12/5 10:57:13]: CMD-(CLI):boot system rpm0 primary flash://FTOS-CB-1.1.1.2E2.bin