[mahesh-hegde]

I remember reading about another, pretty old, microkernel OS which had persistent processes. It was probably a capability based OS. Anyone know what that was?

[Findecanor]

You are probably thinking of EROS <https://en.wikipedia.org/wiki/EROS_(microkernel)>

But there have been several others also based on similar ideas, such as Mungi.

In recent years, there is Twizzler, intended for NVRAM. <https://www.youtube.com/watch?v=0Ix5DYKxzLI>

[mahesh-hegde]

Yeah it was EROS.