Table of Contents
Processes, Unix, and IPC
Today
Midterm Results
Process Internals
Nachos Exec/Exit/Join Example
Process Management Example (Midterm Problem #4)
Process Birth Example (Midterm Problem #4)
Elements of the Unix Process and I/O Model
Unix File Descriptors
Unix File Descriptors Illustrated
The Concept of Fork
Unix Fork/Exec/Exit/Wait Example
Example: Process Creation in Unix
What’s So Cool About Fork
Producer/Consumer Pipes
Unix as an Extensible System
The Shell
Limitations of the Unix Process Model
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Author: Jeff Chase
Home Page: http://www.cs.duke.edu/~chase/cps110
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