Spencer Baugh: The Unix process API is unreliable and unsafe
Slashdot: Unix Pioneer Ken Thompson Announces He's Switching From Mac To Linux
I have, for most of my life — because I was sort of born into it — run Apple.
Now recently, meaning within the last five years, I've become more and more depressed, and what Apple is doing to something that should allow you to work is just atrocious. But they are taking a lot of space and time to do it, so it's okay.
And I have come, within the last month or two, to say, even though I've invested, you know, a zillion years in Apple — I'm throwing it away. And I'm going to Linux. To Raspbian in particular.
TUHS: The evolution of Unix facilities and architecture (2017)
OpenBSD Handbook: OpenBSD for Linux Users
Drew DeVault: In praise of Plan 9
Vice: The Forgotten Operating System That Keeps the NYC Subway System Alive
The Amiga Story: Conceived at Atari, Born at Commodore (2016)
EmuTOS is a Free operating system for computers based on Motorola 680x0 or ColdFire microprocessors. It features functionality similar to TOS, which powered the Atari ST and its successors between 1985 and 1994.
It is actively developed and supported.
The Server Room Show: Episode 76 – 77 – 78: Oberon, Plan 9 and Inferno
YouTube: The History of Unix, Rob Pike