Virtually every operating system with networking capabilities includes support for the TCP/IP protocols, and in most cases, the TCP/IP stack includes an assortment of utilities that enable you to gather information about the various protocols and about the network. Traditionally, these utilities run from the command line, although graphical versions are sometimes supplied. In many cases, a program uses the same syntax, even on different operating systems. This lesson examines some of the most common TCP/IP utilities and the purposes for which they are used.
