Moving by Word
Just like you can delete by word, you can also move by word. Instead of pressing the arrow key repeatedly:
Option
+
←
Jump Left One Word
Moves your cursor to the beginning of the previous word.
Option
+
→
Jump Right One Word
Moves your cursor to the end of the next word.
Practice
1
Type: echo one two three four five
2
Press Option + ← repeatedly to jump word by word
3
Press Option + → to go back
Key Takeaway
Option + arrow keys move by word. Combined with word deletion, you can edit commands precisely without touching the mouse.