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Single Top Menu Bar for all applications
Im looking for a and Linux distribution that has a GUI that provides a single Menu bar for all applications which changes depending on which program has focus(like a OSX) rather than a menu bar for each application window (like MSoft Windows). It also needs to be relatively light in its use of resources as it will run as a virtual machine on an machine with an Intel i3 processor. I have tried Ububtu which has the Unity interface and found it slower than I would like.
Any advice appreciated.