Google

Previousnerd Up= N = Nextnet.-

nerd knob n.

[Cisco] A command in a complex piece of software which is more likely to be used by an extremely experienced user to tweak a setting of one sort or another - a setting which the average user may not even know exists. Nerd knobs tend to be toggles, turning on or off a particular, specific, narrowly defined behavior.

Previousnerd Up= N = Nextnet.-