Control-H to bring up history, then "clear all history"
If you close the welcome screen, then go to Settings and choose "Continue where you left off" from the "On Startup" menu, you shouldn't see the welcome screen again
Control-H to bring up history, then "clear all history"
If you close the welcome screen, then go to Settings and choose "Continue where you left off" from the "On Startup" menu, you shouldn't see the welcome screen again