You can see that the amount of flash shows up on the last line. By averaging up, we get the amount of
flash to 64MB.
Notice that the filename in this example is c2800nm-advsecurityk9-mz.124-12.bin.
The main difference in the output of the show flash and show version commands is that the show flash
command displays all files in flash, and the show version command shows the actual name of the file that
the router is using to run the router.