I like to use terminals (e.g. gnome-terminal) where you can use the up key to copy the last command into the current input 'field'. For example, to repeat the last ...
It used to be that you could find a Magnify item in the Format menu of the Mathematica front-end, at the very bottom if I remember correctly. You could get at the item in Windows by a keyboard ...
Is there another way than pressing Ctrl+. until the whole cell is selected and then pressing Del? If this is not built in, can I create some sort of a global macro to do this and bind it to a ...