Command-line parameters - Opera forums
Opera options | Opera forums
Commandline Command-line CLI / Opera Launch Options
Options to allow/disable cookies are no longer there - Opera forums
Opera on iPad no login or sync options
Opera command line options? - Opera forums
Exporting all settings, options, bookmarks, speed dial and such
Mysterious missing Advanced Settings? | Opera forums
Drop Down Options Appearing Constantly - Opera forums
Can't change UI language. No option "Display opera in that …