With this tutorial you can explore the life cycle of a process running under the UNIX operating system.
From the article:
UNIX processes are created when one process calls fork, which splits the running executable into two. The process can then execute one of the system calls in the exec family, which replaces the current running image with the new one.
Examine the life cycle of a process so that you can relate what you see happening on your system to what's going on within the kernel. System administrators must know how processes are created and destroyed within the UNIX environment in order to understand how the system fits together and how to manage misbehaving processes. Similarly, developers must understand the UNIX processes model in order to write solid applications that run unattended and won't cause problems for system administrators.
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