changing multiple filenames

From: waa (adebayoalabi_at_hotmail.com)
Date: 11/27/03


Date: 27 Nov 2003 06:50:18 -0800

Hi,
I want to change multiple filenames in a dir.
I have ABD.FOR ACD.FOR ... in a dir. Now I want change the names o
abd.for acd.for ... in the same dir.
Does anybody know how to do this under linux?I shall be grateful for
hints.