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Operating Systems: Concurrent and Distributed Software Design
book

Operating Systems: Concurrent and Distributed Software Design

by Jean Bacon, Tim Harris
March 2003
Intermediate to advanced content levelIntermediate to advanced
912 pages
27h 17m
English
Pearson Business
Content preview from Operating Systems: Concurrent and Distributed Software Design

24.3. System structure and the UNIX kernel

UNIX provides a multi-user multi-programmed kernel-based operating system in which the kernel is responsible for accessing devices on behalf of applications, for scheduling access to resources and for enforcing protection between processes. This structure is illustrated in Figure 24.2 along with the major modules which comprise the kernel.

Figure 24.2. Outline of UNIX kernel modules.

In the figure, four example processes are shown as rounded rectangles. Two of these are system processes called init and the swapper; we will consider them in more detail in Section 24.6. The other two are ordinary processes ...

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Publisher Resources

ISBN: 0321117891Purchase book