Interesting, I hadn't known that. Canonical's site indicates that there's some nuance there depending on the video card model though: https://wiki.ubuntu.com/X

Interesting, I hadn't known that. Canonical's site indicates that there's some nuance there depending on the video card model though: https://wiki.ubuntu.com/X/Rootless https://wiki.ubuntu.com/X/Rootless Also interesting is that support for rootless (at least in Arch) depends on, or perhaps was facilitated by systemd: https://wiki.archlinux.org/index.php/Xorg#Rootless_Xorg_.28v1.16.29 https://wiki.archlinux.org/index.php/Xorg#Rootless_Xorg_.28v... I don't pay as close attention to Linux developments as I should these days!