TLDR
Enter a command. For example: bspwm, btrfs rescue, pw loopback.

hcitool

 
Monitor, configure connections, and send special commands to Bluetooth devices. More information: https://manned.org/hcitool.
 
  • Scan for Bluetooth devices:
     
    hcitool scan
     
  • Output the name of a device, returning its MAC address:
     
    hcitool name {{bdaddr}}
     
  • Fetch information about a remote Bluetooth device:
     
    hcitool info {{bdaddr}}
     
  • Check the link quality to a Bluetooth device:
     
    hcitool lq {{bdaddr}}
     
  • Modify the transmit power level:
     
    hcitool tpl {{bdaddr}} {{0|1}}
     
  • Display the link policy:
     
    hcitool lp
     
  • Request authentication with a specific device:
     
    hcitool auth {{bdaddr}}
     
  • Display local devices:
     
    hcitool dev

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