CS+math from CMU. The OS class there is transformative; the other stuff is often good, but I wouldn't evangelize to anyone to take anything other than the OS cl

CS+math from CMU. The OS class there is transformative; the other stuff is often good, but I wouldn't evangelize to anyone to take anything other than the OS class. It's been rumored that people have been hired because they passed OS; passing might be an exaggeratedly low bar, but it's in that ballpark.