OSX Expose in Linux
OSX Expose is a nice feature, which arrange all the different windows in a single window and you can get to choose which one u want. In this era of multi-tasking, it is a useful feature.
In Ubuntu, u can get the same function by using 2 little applications:
Skippy has lesser in functions. Kompose, in contrast, can allow me to group and upgroup the different windows in different ways. Here is a screenshot of Kompose in action.