Except using a socket involves a different process, so you may get a different result than you expect (given namespaces). I'm not that familiar with plan9 (whi

Except using a socket involves a different process, so you may get a different result than you expect (given namespaces). I'm not that familiar with plan9 (which is where I think most of the namespacing concepts came from), does it allow direct syscalls, or is linux the only system where you can syscall directly?