What system to use for development is a good question. Both popular commercial OS's (OSX & Windows) [& Canonical with Unity, FWIW] are moving inexorably towards

What system to use for development is a good question. Both popular commercial OS's (OSX & Windows) [& Canonical with Unity, FWIW] are moving inexorably towards a more mobile/tablet/touchscreen feel, with an ever-expanding set of bells & whistles for their core consumers. I think OSX became fashionable again among devs over the last few years due to its out-of-the-box UNIX-like terminal and underlying software stack, plus installation tools such as Homebrew and PIP (along with base level disdain for anything Microsoft). Presently I run Mint in virtualbox on my Surface pro 3, because native Linux support does not appear to be there for multi-touch screens and features such as the detachable keyboard. Multi-touch and some sort of tablet mode (ie virtual kbd) are critical to be able to develop and test apps that are destined for anything other than desktop-only status (meaning basically all of them). Is there a decent combination of hardware and FOSS OS that really fits today's agile/mobile developer?