Not only does all-Caps text looks annoying, but the accidental turning on of the Caps Lock is also annoying. It happens now and then, only to realize it later on. Now it may so happen that someone has ...

Ctrl + M: Enter Mark mode (allows you to select text with mouse). Once Mark mode is enabled, you can use the arrow keys to move the cursor around. Shift + Up or Down: Move cursor up or down one line ...