rm loops over data using a standard, easy to learn syntax. In addition, the IOS.sh offers variable substitution, enhanced quoting, and a series of builtin functions that are designed to simplify the job of interacting with an IOS router. In order to learn about the IOS.sh, a set of man pages such as this one have been prepared to describe the various new features. The following man pages may be used learn about the shell. man compatibility - gives a quick overview of compatibility between shell and traditional IOS CLI man variables - describes the usage of variables man scripting - gives a quick overview of the scripting capabilities of IOS.sh man expressions - describes the expression syntax built into the IOS.sh man loops - describes loop structures built into IOS.sh man functions - describes how to use and write functions man quoting - describes the new quoting facility