I think operating systems work best if they're free and open. Particular applications are more likely to be proprietary.

I think the way IBM has embraced the open source philosophy has been quite astonishing, but gratifying. I hope they'll do very well with it.

I think computer science, by and large, is still stuck in the Modern age.

Some of modern engineering is necessary to good art. But I think of myself is a cultural artist.

It is the fate of operating systems to become free.

Post-Modernism was a reaction against Modernism. It came quite early to music and literature, and a little later to architecture. And I think it's still coming to computer science.