OS X for work (they gave me the Mac), but I spend most of my time in a Linux shell or IDE. I used to split my time between Ubuntu and Windows for development.

OS X for work (they gave me the Mac), but I spend most of my time in a Linux shell or IDE. I used to split my time between Ubuntu and Windows for development. I prefer the dev environment of OSX and Linux to Windows and the UIs of Linux and Windows to OSX.