bash references

chap1.txt

beginning-of-line (C-a)
Move to the start of the current line.

end-of-line (C-e)
Move to the end of the line.

forward-char (C-f)
Move forward a character.

backward-char (C-b)
Move back a character.

forward-word (M-f)
Move forward to the end of the next word. Words are composed of letters and digits.

backward-word (M-b)
Move back to the start of the current or previous word. Words are composed of letters and digits.

shell-forward-word ()
Move forward to the end of the next word. Words are delimited by non-quoted shell metacharacters.

shell-backward-word ()
Move back to the start of the current or previous word. Words are delimited by non-quoted shell metacharacters.

clear-screen (C-l)
Clear the screen and redraw the current line, leaving the current line at the top of the screen.

redraw-current-line ()
Refresh the current line. By default, this is unbound.

And this link is a man of bash.

alt + left or right is for moving by words in osx.