control + space = spotlight search
control + right / left = change between desktops
command + H = Hide current program
command + Q = Quit current program
command + shift + 4 = partial screenshot to a file
command + shift + 3 = complete screenshot to a file
command + right = move cursor to the end of line
command + left = move cursor to the beginning of line
option + right = move cursor to the end of word
option + left = move cursor to the beginning of word