From <http://arstechnica.com/information-technology/2016/03/ubuntus-bash-and-linux-command-line-coming-to-windows-10/>: ...we've known for several months now is that the company has developed some Windows kernel components (lxcore.sys, lxss.sys, presumably standing for "Linux core" and "Linux subsystem," respectively) that support the major Linux kernel APIs. ... Microsoft is calling this the "Windows Subsystem for Linux" (WSL). ... Canonical has provided a system image containing the Ubuntu versions of the various command-line tools that are typically found in a Linux distribution. Our understanding is that these are not recompiled or ported versions of the programs (as are used in tools aiming to provide a Unix-like environment on Windows such as Cygwin) but instead unmodified programs. Microsoft is describing this in terms of providing a Linux-like command-line environment at the moment, but from what we can gather, there's little fundamental restriction to this, potentially opening the door to running a wide range of Linux programs natively on Windows. Absolutely nothing to do with the fact that tomorrow is April 1...