If you are a Linux open source operating system user then this recent news from Microsoft can make your life tougher. The new Secure Boot requirements can make installing the Linux operating system much harder than it ever used to be. Microsoft gives manufacturers an option to enable UEFI Secure Boot without providing you a manual kill switch, which means that you could only be able to boot your PCs with Microsoft approved operating systems.
France has been a hotbed of GNU/Linux adoption for years and the effort is bearing fruit. Schools, governments and business are all playing a part.
Review: Lenovo X1 Carbon 3rd generation and Linux
Considering that the fix for the first issue is widely available in most distributions and the second one is only a modprobe away, I’d say this laptop is pretty darned Linux compatible. I’m currently running Fedora 21 without any problems.