The Linux kernel has around 27.8 million lines of code in its Git repository, up from 26.1 million a year ago, while systemd now has nearly 1.3 million lines of code, according to GitHub stats analysed by Michael Larabel at Phoronix.
There were nearly 75,000 code commits to the kernel during 2019 which is actually slightly down on 2018 (80,000 commits), and the lowest number since 2013. The top contributors by email domain were Intel and Red Hat (Google’s general gmail.com aside) and the top contributing individuals were Linus Torvalds, with 3.19 per cent of the commits, followed by David Miller (Red Hat) and Chris Wilson (Intel). There were 4,189 different contributors overall.
[Source: The Register]