Selecting cells using keyboard shortcuts
This is a list of some shortcuts I consider useful. If you have some other, please leave comment.
Go to the end of table
Select cells to the end of table
Select whole table
Select the entire column on a sheet
Select the entire row on a sheet
Select the entire worksheet
Select cells that are not next to each other
Press SHIFT+F8 and then do simple selection by mouse.
Or hold CTRL and do selection by mouse.