The Design and Implementation of the 4.4BSD Operating System
Marshall Kirk McKusick
Keith Bostic
Michael J. Karels
John S. Quarterman
Copyright
© 1996 Addison-Wesley Longman, Inc
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Table of Contents
2
Design Overview of 4.4BSD
2.1
4.4BSD Facilities and the Kernel
2.1.1
The Kernel
2.2
Kernel Organization
2.3
Kernel Services
2.4
Process Management
2.4.1
Signals
2.4.2
Process Groups and Sessions
2.5
Memory Management
2.5.1
BSD Memory-Management Design Decisions
2.5.2
Memory Management Inside the Kernel
2.6
I/O System
2.6.1
Descriptors and I/O
2.6.2
Descriptor Management
2.6.3
Devices
2.6.4
Socket IPC
2.6.5
Scatter/Gather I/O
2.6.6
Multiple Filesystem Support
2.7
Filesystems
2.8
Filestores
2.9
Network Filesystem
2.10
Terminals
2.11
Interprocess Communication
2.12
Network Communication
2.13
Network Implementation
2.14
System Operation
References
List of Tables
2-1.
Machine-independent software in the 4.4BSD kernel
2-2.
Machine-dependent software for the HP300 in the 4.4BSD kernel
List of Figures
2-1.
Process lifecycle
2-2.
A small filesystem
Next
Design Overview of 4.4BSD