There are several ways you could do it. 1: Don't run an X server; stay in the text console. 2: Run X, but just open up an Xterm to full screen. That way, when

There are several ways you could do it. 1: Don't run an X server; stay in the text console. 2: Run X, but just open up an Xterm to full screen. That way, when you do need something fancy, you can just run it. 3: Buy an old DEC terminal off ebay and hook it up to your new computer. If your new computer doesn't have a serial port, you can use a USB serial adapter. 4: Buy a really old computer and use it to telnet/ssh into the new one. 5: I once made a Compiz display filter to green/black and amber/black. The problem with that is Compiz was buggy in regards to which windows the filter actually worked on. Also, I can't remember exactly how to do it anymore. It looked cool when it worked, though.