I can’t speak for all European countries, but at least in the Netherlands they’re not a thing. We might still have money orders, which are similar, but I’ve never seen one used.
Instead we can just make instant bank transfers, even using a QR code, which you can generate in your own banking app and can be used with any other bank.
reboot -f
Because real men login as root and don’t care about such silly things like an init system or file system syncing!
To quote the man page: