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ggrot - 6:17 pm on Jul 27, 2004 (gmt 0)
There are a number of other layers available on top of VNC as well. I happen to have 2 monitors, but only one mouse/keyboard set. So, I plug my linux box and my windows box into different monitors and use a little VNC layer called "X2VNC" to basically get the effect of a dual screen display across two operating systems (when I move the mouse off the right side of one monitor, it goes to the left side of the other monitor, and keyboard focus switches too). There is also a Win2VNC if you have two windows computers. I've never used VNC with a mac, but it should work just fine. Just another option available for you.
This isn't directly an answer to what you are looking for, but it may bes useful nevertheless. There are a number of pieces of software available designed to give you the same effect as a KVM switch using only the advantage that your two machines are networked. The term is "VNC" or "Virtual Network Computing". They allow you to attach the keyboard, mouse, and video to one machine, and through the network selectively control other machines. The operating system does not need to be homogenous in most cases.