... upgrading and maintenance are done on the HOST (Server), no need to care about the LD Cloud ... Safe from internet virus.Data stored in the HOST (Server), not the Cloud Computing Terminal, so it is ... so it can work as a client connect to server while at the same time, it can also ... 14. Server OS support Windows Server 2000/2003, Windows NT 4.0-Terminal Server edition,Citrix Win frame Server, Linux and all ...