command line cursor movement shortcuts

Cursor movements
Ctrl-a Move the cursor to the beginning of the line.
Ctrl-e Move the cursor to the end of the line.
Meta-f Move the cursor one word forward.
Meta-b Move the cursor one word backward.

Delete and Paste
Ctrl-k Remove the text from the current cursor position to the end of the line.
Meta-d Remove the word following the current cursor position.
Ctrl-y Paste the text that was killed or removed from the previous kill or remove command.

Meta is usually the esc key.