And using "Scriptable operating systems with Lua[1]" there is no userspace needed? [1] http://dl.acm.org/authorize?N80603 http://dl.acm.org/authorize?N80603 [2

And using "Scriptable operating systems with Lua[1]" there is no userspace needed? [1] http://dl.acm.org/authorize?N80603 http://dl.acm.org/authorize?N80603 [2] http://2014.splashcon.org/track/dls14-papers#Proceedings http://2014.splashcon.org/track/dls14-papers#Proceedings