Turn off monitor mode for a specific network interface

Activate monitor mode on wireless network devices.
Part of `aircrack-ng`.
More information: <https://www.aircrack-ng.org/doku.php?id=airmon-ng>.
Trick copyright: tl;dr; <https://github.com/tldr-pages/tldr>

sudo airmon-ng stop {{wlan0mon}}

click the source code to copy install airmon-ng on any operating system with command-not-found.com