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What is a PID number?

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Old 04-17-2011
nariangel nariangel is offline
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What is a PID number?

What is a PID number?
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Old 04-17-2011
Corona688 Corona688 is offline Forum Staff  
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Each time a process is created it gets its own unique number to refer to it by. That's a Process ID, or "PID" for short.
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Thank you!!.
And Why are these numbers useful when you run processes in the background?
Please?
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Old 04-17-2011
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They're no more "useful" for background processes, than they are for foreground ones.

This sounds like homework. If it is, please post it in the appropriate forum.
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