I’ve always been fascinated by gVisor. The article mentions being able to run gVisor on macOS… but I guess it could go even further? I know Windows would be difficult, but maybe possible? Or perhaps other more-UNIX-like operating systems could use it to get Linux compatibility?

I’ve long wished a UNIX-like userland environment- ideally based on WASM. Imagine if there was a Debian port to such a WASM-based, UNIX-like userland environment. You could have development environments a bit like NixOS devshells, but that you could zip up and use across macOS, Linux, Windows, etc.

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The systrap backend of gvisor is quite an interesting middle ground for process isolation - faster than the ptrace backend and does not need KVM support on the host

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