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I am planning to install Mac OS X Lion or Mountain Lion into a virtual machine mainly build XCode project. The virtual machine will run on my laptop. Therefore, I am trying to cut down the virtual machine memory usage/improve its performances.

Since I will be building with the xcodebuild command tool, I was thinking of shutting down Mac OS X's Window Manager (Quartz Compositor) to save memory.

How can this be achieved ?

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up vote 1 down vote accepted

You can boot into single-user mode, if the builder does not need the XCode GUI to run. Here are more details about what mounts and services you'd need to perform by hand since single-user mode short-circuits their activations.

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