TigerVNC

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TigerVNC (Tiger Virtual Network Computing) is a system of graphical desktop sharing which allows you to remotely control other computers.
TigerVNC works on the client-server network: a server shares its output (vncserver) and a client (vncviewer) connects to the server.

VNC SERVER
vncserver is a utility which starts a VNC (Virtual Network Computing) desktop. It runs Xvnc with appropriate options and starts a window manager on the VNC desktop. vncserver allows users to run separate sessions in parallel on a machine which can then be accessed by any number of clients from anywhere.