The presence of any command-line option implicitly enables silent mode (see the /S option).Įach option must start with a / as shown, - or - are not supported. Prior to Firefox 62, only /S and /INI are accepted, and /StartMenuShortcut is not available in INI files, only the plural /StartMenuShortcuts works (even though only one shortcut is created). The list is valid for Firefox 62 and later. The following command line options are accepted. The full installer provides a number of options that can be used either from the GUI or from the command line. Getting Set Up To Work On The Firefox Codebase.