|Super+Left Arrow||Fill half to the left side of the screen|
|Super+Right Arrow||Fill half to the right side of the screen|
|Super+click then move||Move window anywhere on screen|
|Super+m||To bring up a message tray at the bottom of the screen.|
|alt+tab||switch between applications|
|alt+`||switch through window of current applications.|
|super||bring up a new apperance known as activities overview|
|drag application to dash||this is to add an application which you used often to the dash so you can easily accessed.|
|drop application to grid||remove application from dash by dragging from dash and then drop into the grid|
|ctrl+alt+up arrow||switch to the workspace above|
|type in a file window||To quickly search for file in the file windows.|
|alt+PrintScn||take a screenshot of the current window only.|
|shift+PrintScn||select a specific area of the screen.|
Not sure why each time of operating system reboot, the state of num lock on keyboard get forgotten. This is really quite puzzling considering gnome has been evolve for so many cycle. But that's okay, we will learn to configure gnome so that it will remember the state of num lock between system boot. Let's launch dconf-editor and expand in the tree in such path. org -> gnome -> settings-daemon -> peripherals -> keyboard. Check remember-numlock-state and check the screenshot below.
With this article, I hope you navigate better in gnome-shell environment.