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rfkill Command - Enable/Disable Wireless Devices
The rfkill command is used to query, enable, or disable wireless devices such as Wi-Fi and Bluetooth on Linux systems. It is useful for troubleshooting and managing radio transmitters.
Syntax
rfkill [options] command
Examples
rfkill list
List all wireless devices and their current state.
rfkill block wifi
Block (disable) all Wi-Fi devices.
rfkill unblock bluetooth
Unblock (enable) all Bluetooth devices.
Notes
- Root privileges may be required to change device states.
- Useful for troubleshooting wireless connectivity issues.
- Some laptops have hardware switches that also control radio devices.
