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Forums » Tech and Talk » OS and Software » Microsoft Help » [Vista] What is the difference between System Process and System
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dave
Premium,MVM
join:2000-05-04
not in ohio
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reply to sded
Re: [Vista] What is the difference between System Process and Sy

Neither of those processes run user-mode images, and generally speaking, the "name" displayed for a process is just the name of the image file it's running. So display tools have to make up names: "System" and "System Process" are not good made-up names.

Process Explorer uses "System Idle Process" for pid 0 and "System" for pid 4, which is much better.

Operating systems have to be running some process; the idle process is what gets run when there's nothing else ready to run (there is in fact one thread per processor in the idle process).

The system process is a process that acts as a container for threads created by kernel-mode components - memory management components, drivers, etc.

I don't believe that the idle process (pid 0) ever has any connections. Rather, I think that certain TCP control blocks have their 'ownership' field zeroed out on process termination, meaning no current owner, and TCPview misinterprets that as 'owned by pid 0'.


sded
Premium
join:2002-11-04
San Diego, CA
Thanks a lot; that helps clear up confusion in several places that use different terminology.
Forums » Tech and Talk » OS and Software » Microsoft Help[Vista] Windows Firewall asking to allow incoming for iexplore.e »
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