The errata list is a list of errors and their corrections that were found after the product was released.

The following errata were submitted by our customers and have not yet been approved or disproved by the author or editor. They solely represent the opinion of the customer.

Color Key: Serious technical mistake Minor technical mistake Language or formatting error Typo Question Note Update

Version Location Description Submitted by Date submitted
PDF Page 71
End of 3rd paragraph

The last sentence of the 3rd paragraph has a backslash before the period.

LukeShu  Jun 01, 2010 
Printed Page 92
2nd paragraph

On the 8th line of text: "time. Fredkin Came to love the hackers-- he could not speak their lan-" the third word should not be capitalized.

ludovicus  Dec 16, 2010 
PDF Page 147
3rd paragraph

Twice in the paragraph, A left parenthesis is mix-matched with a right bracket. I believe that the correct marks would be a brackets.

Line2 (orig): ending. “Before (in the sixties], the attitude ...
Line2 (fix ): ending. “Before [in the sixties], the attitude ...

Line6 (orig): And (people pointed out that] some things ...
Line6 (fix ): And [people pointed out that] some things ...

LukeShu  Jun 18, 2010 
Printed Page 147
2nd paragraph

On the 12th line of text: "And (people pointed out that] some things we did were curious,"
mis-match of parenthesis and bracket.

ludovicus  Dec 16, 2010 
Printed Page 157
2nd paragraph

On the 6th line of the 2nd paragraph: the second word is "quality" shouldn't it be "qualify"?

Anonymous  Dec 16, 2010 
Printed Page 158
3rd paragraph

4th line on the 3rd paragraph: "dismissed them as a modem version of the legendary panty radis" shouldn't it be "modern"?

ludovicus  Dec 16, 2010 
Printed Page 374
End of 2nd paragraph

The book states "Gates wrote the IBM operating system", meaning PC-DOS. In fact, Microsoft bought the original DOS from Seattle Computer Products. Undoubtedly Microsoft modified and enhanced the purchased software, but the statement in the book is very misleading. I would guess that Gates himself never wrote a line of code for DOS. See

Roger House  Feb 23, 2017