Firefox Developer Edition. Developer Tools. Console. Can't get the command line prompt up, to test Javascript | Firefox Support Forum | Mozilla Support
Shortcut to a specific profile - MozillaZine Knowledge Base
How to open Firefox with URL in Linux via command line - Linux Shout
Mute and unmute application sound from command-line on Windows
The JavaScript input interpreter — Firefox Source Docs documentation
How to start Firefox Kiosk Mode Ubuntu 20.04 LTS - Linux Shout
Enable Firefox Dark Mode in Ubuntu 20.04
How to change your location in Firefox and Chrome
command line - How to open Firefox with proxy settings via terminal? - Ask Ubuntu