Does it not seem odd to you that the only competitor for Windows file sharing recommended here is a open source clone of the same technology they are trying to replace?
There is a reason why Windows servers are so popular and it is no one makes directory services, file sharing, group policy, and email/calendaring as easy as Microsoft. Microsoft has been so successful at creating these services and making them simple to administer that most open source projects try to emulate/replicate/duplicate what already has been done.
So stay up on your soap box saying how much better the open source version is...
"On Earth, bleaching of rock surrounding a fracture is a clear indication of chemical interactions between fluids circulating within the fracture and the host rock," Okubo and co-author Alfred S. McEwen reported in the paper. The researchers also said that layered outcrops can indicate cycles with materials deposited by regular episodes of water, wind or volcanic activity.
Scientists will study your brain to learn more about your distant cousin, Man.