Indeed, he said in 2004:

  I embraced OS X as soon as it was available and have never
  looked back. So a lot of "In the beginning was the command
  line" is now obsolete. I keep meaning to update it, but if
  I'm honest with myself, I have to say this is unlikely.

http://interviews.slashdot.org/article.pl?sid=04/10/20/15182...