The best operating system to do what? There's no such thing as a best operating system. They all have there strengths and weeknesses. Oneone who says that one platform is best for everything is lying to themselves or doesn't know about about the other platforms.
if you need something that is easy to administrate remotly, and there are tens of thousands or software packages for, and finding people to support it is very easy then Windows is that platform.
If you need something that's going to run an Apache web server then *nix is your best bet.
If you need something that's going to run an ASP.NET web application then Windows will be your best bet.
If you need something to run a large virtualization platform then you can go with Hyper-V (Windows) or VMware (*nix) (there are other options but these are the big guys in the space).
If you need something to run a mail gateway, then *nix is your best bet.
If you need something to run a 100,000 user mail system which has a full collaborition suite where your users can walk in and figure out how to use it with little training then Windows will be your best bet.
If you need something to run a router or load ballancer then *nix is your best bet.
If you need to do hard core graphics editing or video edition then a Mac will be your best bet.
It all depends on what you want to do as to the correct platform.
Last Wiki Answer Submitted: October 19, 2009 8:23 am by Denny Cherry64,520 pts.
All Answer Wiki Contributors: Denny Cherry64,520 pts.
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It all boils down to your personal or business needs. Sounds like you need to step back and address that first.
I agree there is not such thing as best, it depend on what you need.