Title: I admit this is dumb. NT/W2K Services?

I'm playing with Oracle on w2k out of sheer boredom.  So now I'm forced to learn a little bit about w2k. 

I was looking at oradim and it has starttype and shuttype with options srvc and inst.  OK, I understand the instance part.  But what on earth are services?  Below is what the help says about it.  So to translate this into Unix-speak, is this similar to a daemon?  I guess I'm confused because as far as I know there's nothing additional that needs to be running on Unix to just start up a database. 

If that's the case, then why would you want to shut down an instance and not services?  For RMAN?  I guess I'm at a loss here.  Can someone give me an example of when you'd want to do this? 

Plus, there's notes on Metalink about recreating services.  Why/when would you want to do that? 

Here's the overly-generic definition I found.
A program, routine, or process that performs a specific system function to support other programs, particularly at a low (close to the hardware) level. When services are provided over a network, they can be published in Active Directory, facilitating service-centric administration and usage. Some examples of Windows 2000 services are Security Accounts Manager service, File Replication Service, and Routing and Remote Access Service.

Any descriptions or web sites that can describe this would be appreciated. 

Lisa Koivu
Oracle Database Administrator and Self-Professed W2K Idiot.
Fairfield Resorts, Inc.
954-935-4117

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