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Useful Mac OS X Terms: What is Darwin?
Article ID:
Created:
Modified:
43140
1/18/02
9/10/03
TOPIC
This document explains what Darwin is.
DISCUSSION
Beneath the appealing, easy-to-use interface of Mac OS X is a rock-solid foundation that is engineered for stability, reliability, and performance. This foundation is a core operating system commonly known as Darwin. Darwin integrates a number of technologies, most importantly Mach 3.0, operating-system services based on 4.4 BSD (Berkeley Software Distribution), high-performance networking facilities, and support for multiple integrated file systems.
Darwin 1.4.1 is the UNIX-based, open-source foundation of Mac OS X. It is based on FreeBSD and Mach 3.0 technologies and provides protected memory and pre-emptive multitasking. This release corresponds to the release of Mac OS X 10.1.
For a brief overview of Mach, see technical document 43137: Useful Mac OS X Terms: What is Mach?
For a brief overview of BSD, see technical document 43139: Useful Mac OS X Terms: What is BSD?
For a brief overview of Darwin, see technical document 43140: Useful Mac OS X Terms: What is Darwin?
For in-depth information on Mach, BSD and Darwin, see the Apple Developer Connection site:
http://developer.apple.com/unix/index.html
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