June 2005
Intermediate to advanced
960 pages
23h 41m
English
book
Advanced Programming in the UNIX® Environment: Second Edition
by W. Richard Stevens, Stephen A. Rago
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Chapter 8. Process Control
Introduction
We now turn to the process control provided by the UNIX System. This includes the creation of new processes, program execution, and process termination. We also look at the various IDs that are the property of the process—real, effective, and saved; user and group IDs—and how they’re affected by the process control primitives. Interpreter files and the system function are also covered. We conclude the chapter by looking at the process accounting provided by most UNIX systems. This lets us look at the process control functions from a different perspective.
Process Identifiers
Every process has a unique process ID, a non-negative integer. Because the process ID is the only well-known identifier of a process that ...
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