"In Parts 1 and 2, you saw how to use the runlevel system and related tools to dramatically reduce memory usage on a PS3 running Linux, leaving more memory available for compilation and similar services. To wrap this up, let's look at a few more things that are worth doing, including at least one fairly hefty task: getting X11's footprint trimmed.
"The problem with X11 is that you may well need it. This is a problem because the lowest memory footprint I saw for the X server itself on my PS3 was around 40MB, which is way, way, too much of available memory to sacrifice just for some pretty pictures. (Yes, I did learn to use UNIX on a plain text terminal. Why are you looking at me funny?) That said, it really is very useful sometimes, and there are programs that don't make sense to run without graphics..."
