Comment by smj-edison

I believe it runs on stock Linux, but it's an operating system in the sense that it multiplexes tasks and facilitates IPC. The closest analogy I can think of is something like a lisp machine or Smalltalk, where the line between program and OS is really blurry.

Also, if you haven't heard of folk computer[1] as a viable alternative, I'd highly suggest checking it out! I'm one of the contributors, and it's definitely not dead (unlike all the other dynamic land spin-offs I've seen). The head programmers—Omar and Andreas—both worked at dynamic land for a couple months, so they've been able to carry over the good parts while also open sourcing it. The implementations have definitely diverged, but imho in a good way—folk computer is working on multi threading and is much more realtime-safe (you'll see in the latter dynamic land videos that it pauses every second or so).

[1] https://folk.computer/