It is not known by those that don&#x27;t invest on it.<p>Just out of my head:<p>- pushing C away and allowing C++ on kernel space<p>- OO ABI besides a procedural one<p>- object based API even with Win16&#x2F;32<p>- asynchronous IO architecture only beaten by Solaris asynchronous IO<p>- hybrid OS architecture pushing device drivers into user space<p>- the only shell that can somehow replicate the REPL experience of Xerox PARC systems<p>- pushing for memory safe systems programming, via C++&#x2F;CX, .NET Native, static analysis and efforts like GSL at CppCon 2015<p>- device driver verification via a theorem prover<p>- integration of container model for mainstream users<p>- every OS object has security credentials