Have you ever wanted to fine-tune the IOS show commands to provide you with the exact information you need instead of having to dig through long screens full of data you are not interested in to find what you need? In this IP Corner article, Ivan Pepelnjak describes how to use the simple filters provided by Cisco IOS to pick only the information you need from the printouts, as well as how to generate tailored printouts (even combining outputs from multiple show commands) with Tcl shell introduced in IOS release 12.3(2)T.