X server is the default Graphical User Interface (GUI) toolkit used in almost all flavors of UNIX family of operating systems and most notably Linux and FreeBSD. The famous desktops are KDE and GNOME. X server toolkit has bulit-in support for remote desktops because of its client and server architecture. X server hides the underlying graphics hardware and presents a unified Application Interface (API) for client programs like KDE and GNOME applications. Unlike Microsoft Windows, the client program can reside in another host and X server can reside on another host. i.e A Windows user with a X server software like More >