Examples (4)
Launch a VNC client which connects to a host on a given display
vncviewer host:display_numberLaunch in full-screen mode
vncviewer -FullScreen host:display_numberLaunch a VNC client with a specific screen geometry
vncviewer --geometry widthxheight host:display_numberLaunch a VNC client which connects to a host on a given port
vncviewer host::portmade by @shridhargupta | data from tldr-pages