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OCA Oracle Solaris 11 System Administration Exam Guide (Exam 1Z0-821) by Michael Ernest

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Image TWO-MINUTE DRILL

Understanding Processes

Image Every user process is created by a parent process that forks a copy of itself under a new PID assignment and then replaces the parent’s program code with the new program. This is sometimes called the fork-and-exec model of process creation and referred to as spawning.

Image You can distinguish a true user process from a so-called system process using the pfiles command. A system process doesn’t keep a list of open ...

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