i still haven't recovered the power which the command-prompt gave me 3 decades ago.

but i've become a very good button-pusher.

-bowerbird

And yet, today command line skills are alive and well and will continue to be that way for thr foreseeable future. I don't see tablets as ever replacing a computer. It's like this article suggests: They are great from the consumer stand point but you aren't going to get programmers and server administrators using them to do their daily tasks.