I had to teach a new college grad (comp sci) working in my office what DOS was. He didn't like to fiddle with 'computer stuff'. As I was walking him through '

I had to teach a new college grad (comp sci) working in my office what DOS was. He didn't like to fiddle with 'computer stuff'. As I was walking him through 'CD' and 'mkdir' I almost had him type 'format c:' just to see what would happen. So, some basics should be taught.