pksh is a hack of the popular tcsh for packets, bytes hosts, and protocols counts. It is a shell, a network sniffer, a query language for network monitoring, and finally a rendering engine to display in a form readable for humans and network administrators all traffic on LAN segments. It aims to give on character-based terminals the same level of information ntop already provides via its embedded Web interface. It does not continuously fill the terminal with packet/byte/protocol information, but allows the user to perform his daily job at the shell level and take a look at network only via a set of commands implemented as extensions to native tcsh built-ins. Output can be filtered/sorted/paged/mailed/etc. using native Unix commands.