File Length Name/status
File : Number of the system image file. If no filename is specified in the boot system flash command, the router boots the system image file with the lowest file number.
Length : Size of the system image file (in bytes
Name/status : Filename and status of a system image file. The status [invalidated] appears when a file has been rewritten (recopied) into Flash memory. The first (now invalidated) copy of the file is still present within Flash memory, but it is rendered unusable in favor of the newest version. The [invalidated] status can also indicate an incomplete file that results from the user abnormally terminating the copy process, a network timeout, or a Flash memory overflow.
2- what is thedifferent between the two values for flash ( 16384K : 16777216 )?????n
bytes used : Total number of bytes used in Flash memory.
available : Total number of bytes available in Flash memory.
total : Total size of Flash memory (in bytes)
Byets Used = 12639264
available (unused)= 4137952
total = 16777216
12639264+4137952 = 16777216
3- and in the name c3640-c2is-mz.Feb24 :what are these words and for what??????????n
c3640-c2is-mz : this is name of IOS Image existing in flash memory
4- what is the 16384K bytes of processor board System flash (Read/Write????n
16384Kilo bytes= total of flash memory (16777216 bit / 1024 ( =16384Kilo bytes
System flash : Flash directory and its contents.