Exploring the Cisco IOS File System

Get familiar with the file system and memory storage areas. The Cisco IOS File System (IFS) feature provides a single interface to:

• The Flash memory file system

• Any other endpoint for reading or writing data (such as NVRAM, modem firmware, the running configuration, ROM, raw system memory, Xmodem, and Flash load helper log).

IFS first appeared in Cisco IOS Releases 11.3 AA and 12.0. For more information about IFS, refer to the chapter Using the Cisco IOS File System in the Release 12.0 Configuration Fundamentals Configuration Guide at the following URL:

http://www.cisco.com/univercd/cc/td/doc/product/software/ios120/12cgcr/fun_c/fcprt2/fcifs.htm

Figure 2-2 shows the memory locations inside the Cisco AS5300.

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