http://www.dds6qkxpwdeubwucdiaord2xgbbeyds25rbsgr73tbfpqpt4a6vjwsyd.onion/w/index.php?title=Dev/Leak_Tests&curid=264&oldid=83683
Please edit if you know any better sources and/or structured research in this topic. Operating System Detection Operating System Detection tests can be unreliable. In the personal experience of Whonix developer Patrick, for example Twitter /settings/sessions had shown Windows as operating system used as the only active session while in fact it was a browser running on a Linux based operating system.