The term "5 nanometer" has no relation to any actual physical feature (such as gate length, metal pitch or gate pitch) of the transistors. According to the projections contained in the 2021 update of the International Roadmap for Devices and Systems published by IEEE Standards Association Industry Connection, a 5 nm node is expected to have a contacted gate pitch of 51 nanometers and a tightest metal pitch of 30 nanometers.[3] However, in real world commercial practice, "5 nm" is used primarily as a marketing term by individual microchip manufacturers to refer to a new, improved generation of silicon semiconductor chips in terms of increased transistor density (i.e. a higher degree of miniaturization), increased speed and reduced power consumption compared to the previous 7 nm process.[4][5]

“I think it unlikely that China would be able to replicate top lithography technology independently because ASML relies on relentless innovation and integrating components that are only available from non-Chinese suppliers. I am not saying it cannot be done|because I know the laws of physics are the same in China as they are here. Never say never. They will certainly try."

I think NixOS is the logical conclusion of the Ports-like package management system pioneered by the BSDs and adopted by Gentoo and to a lesser extent Arch.

systemd is an integral part of NixOS, because it makes extensive use of its features, such as cgroups, sandboxing, user units, and systemd timers instead of cron.

> Guix is a fork of Nix and addresses the main issue that Nix didn't get right: instead of comming up with a homebrewed domain-specific language (DSL) with its own set of limitations and idiosyncrasies, Guix uses a full-fledged programming language.

Liberating. Guix is an advanced distribution of the GNU operating system developed by the GNU Project—which respects the freedom of computer users.

The GNU Daemon Shepherd or GNU Shepherd, formerly known as GNU dmd, is a service manager that looks after the herd of system services. It provides a replacement for the service-managing capabilities of SysV-init (or any other init) with a both powerful and beautiful dependency-based system with a convenient interface. It is intended for use on GNU/Hurd, but it is supposed to work on every POSIX-like system where Guile is available. In particular, it is used as PID 1 by GNU Guix.