Debian Stable since 2009, before then I used other Linux distros and Windows. I'll admit I was quite a fan boy in my teens, but now I really just use Debian be

Debian Stable since 2009, before then I used other Linux distros and Windows. I'll admit I was quite a fan boy in my teens, but now I really just use Debian because it's what I'm used to, or most comfortable with. I think GNU/Linux in general is a fantastic development environment.