on unix systems it's basically a different X server, one that can be
viewed remotely. you start vnc server, let's say as X server one
(hostname:1) and you can tell all X programs to display on this server
using DISPLAY env. variable or -display hostname:1 option (or --display
or -d).
the difference is that vnc server does not display anything (unlike
normal X server which usually uses your graphic card). you view it using
vnc viewer, which you can run it over network.
one of the advantages over using straight X for this is that if the
connection goes down you can simply reconnect and all is there as if
nothign happened - e.g. I work at office then get home and start
vncviewer and have exactly the same screen...
in addition to that there are vnc servers for many systems, so you can
view win, mac (etc., I don't remember all of them) remotely.
you can even use browser as vnc viewer, it uses java, you can try it
at www.workspot.com
erik
Manegold wrote:
>
> Hi!
> I'm wondering what VNC is. According to the package listing it is a
> remote display system. Therefore something like X.
> But what does that mean? Can I use it instead of X?
> Does it need special apps that make use of it, or can normal X/KDE/Gnome
> - apps make use of it?
> What are the advantages of VNC over X?
>
> TIA
> Thorsten
>
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