The United States has entered and out of the two very affected books. A called "undocumented dos", and another called "undocumented windows", two books are included in the DOS / Windows system programmers. In these two books, the authors (Andrew Schulman, David Maxey, Matt Pietrek, etc.) lists the DOS / Windows APIs that have entered their hard work to decipher and summarize, but they are not included in Microsoft Technology. Many useful (and important) features of information. The authors believe that Microsoft does not tell these features, which cannot be interpreted with negligence or omissions, but can only hide the user.
- From "Linux kernel code analysis"
Oh, I don't know if Microsoft is unfair to compete. Doing the underlying development or more on Linux / FreeBSD.