--help : This help information
--debug-all [filename] : All debug output.
--debug-warn [filename] : Warnings level debug output.
--debug-info [filename] : Information level debug output.
--debug-fine [filename] : Fine level debug output.
--debug-finer [filename] : Finer level debug output.
--debug-finest [filename] : Finest level debug output.
--reset-defaults : Return user settings to their safe defaults.
--clear-cache : Clears the Tor cache on startup.
--ignore-desktop : Ignore desktop detection information.
--start-delay : Delay startup in seconds, eg. --start-delay 5
--cleanup : Cleans up after a bad shutdown which may have left system proxy in an unknown state.
--default-proxy-quiet : Set system proxy back to its defaults quietly, without GUI dialog.
--restore-proxy-quiet : Attempt to restore proxy to its last known settings using a previously saved
backup, without GUI dialog.
--default-proxy : Set system proxy back to its defaults accepts verification input via a GUI dialog.
--restore-proxy : Attempt to restore proxy to its last known settings using a previously saved backup,
with input verification via a GUI dialog.
--update-disable : Disables the version update checking at startup and removes the option from
preferences.