The document defines network operating systems and provides examples such as Windows NT, Windows 2000 Server, Windows Server 2003, and Red Hat Linux. It discusses peer-to-peer and client/server network operating systems such as Novell Netware, Windows 2000 Server, and Windows Server 2003. It also lists functions of various client software including web browsers, email clients, network utilities, network file managers, and the File Transfer Protocol. The learning outcomes are to define network operating systems and name examples, and to state the functions of various client software.