informIT: The Process Model of Linux Application Development
Jul 12, 2005, 05:30 (2 Talkback[s])
(Other stories by Erik W. Troan, Michael K. Johnson)
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"One of Unix's hallmarks is its process model. It is the key to
understanding access rights, the relationships among open files,
signals, job control, and most other low-level topics in this book.
Linux adopted most of Unix's process model and added new ideas of
its own to allow a truly lightweight threads implementation.
"What exactly is a process? In the original Unix
implementations, a process was any executing program..."