Move to the beginning/end of the line:
CTRL + A/E
Move one word backward / forward:
CTRL + [left arrow]/[right arrow]
Clear from cursor to beginning / end of the line:
CTRL + U/K
Delete word before / after the cursor:
CTRL + W / ALT + D
Undo last change:
CTRL + _
Clear screen:
CTRL + L
Stop/re-enable output to the screen:
CTRL + S/Q