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以下内容选择苹果官方编程pdf
Mac OS X's core OS layer, named Darwin, is based on version 4.4 of the FreeBSD (Berkeley Software
Distribution) operating system. It therefore includes all the power, flexibility, and stability of that proven
UNIX implementation. If that isn't enough, the Darwin source code is available as a free download from
Apple, as shown in Figure 1.4. Apple also just recently released its own X11 implementation. It includes the
full X11R6.6 technology, including a window server, libraries, and utilities. |
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