Glances is a CLI curses based system monitoring tool for GNU/Linux and BSD OS.

Glances uses the PsUtil library to get information from your system.

It is developed in Python.

# cd /usr/ports/sysutils/py-glances
# make config-recursive
# make install clean
# rehash
# glances

Note: press "q" to quit.

http://nicolargo.github.com/glances/