think its windows 2000 datacenter server
Windows Server is an example of a client/server network operating systems and Cisco IOS is an example of a router NOS. There are other network operating systems out there.
The latest commercial network operating systems are Windows Server 2008 R2 and Mac OS X Server Snow Leopard.
Windows Server 2008
Windows 2000 Server and Windows NT Server 4.0 (SP5).
Windows 200 Server trust me
the four operating system found in the windows 2000 suite are : windows 2000 professional windows 2000 server windows 2000 advanced server windows 2000 datacenter server
Windows 2003 Server is the Best
Appleshare,Microsoft Windows server and Novell netware
Many operating systems now can run on standalone computers and also on networked computers. Standalone or generic operating systems are the ones which run on standalone computers like Windows operating system running on a PC. Network operating systems are the ones which run on a server and can be accessed through client machines connected on the network. e.g. Solaris or Linux running on a server can be used as network operating systems. Even there are Windows server operating systems which can be used by clients connected on the network. ILYAS MAHIDA
Active Directory
To Abe able to manage and control a network properly, your computer would have to have server preferences. Server Operating Systems such as Microsoft Server 2008 can be used for security management over a network, but requires a fair bit of insight to operate and are mostly used by IT professionals only. Group Policy Controls, an Advanced firewall with by the minute updates, Network Access Protection, Network Policy and access System. Windows 7 has a few network security capibilities built in...
RRAS (Routing and Remote Access service)