Learn the Linux Command - iwpriv

Use 'iwpriv' to list private commands for a given Linux interface

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Iwpriv is the companion tool to iwconfig. It deals with parameters and settings specific to each driver (as opposed to iwconfig, which deals with generic ones).

Without any argument, iwpriv lists the available private commands available on each interface and the parameters that they require. Using this information, apply those interface specific commands on the specified interface.

The documentation of each device driver should indicate how to use those interface specific commands and their effect. 

This command is rarely used by most desktop Linux users. Consult the manpage for a complete command synopsis.