>>The Windows SDK today is still huge. The download for the Vista version is over a Gig...and that's compressed. I didn't install the whole thing so I can't say how big it expands, but my install is at 1.26 Gig.
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>When I remember that VAX OS documentation took only about 1.5 meters of shelf space (and that I actually had the time to read most of it)... and it was still something fitting one brain. With Windows, I doubt anyone knows everything.

I took a DEC VMS device driver course and had a few questions for the instructor. He knew exactly where to go in the micro fiche files to find the area of the source code we needed to look at. That was 30,000 sheets of micro fiche, with 12 printed pages per sheet. Amazing!