Erwin Waterlander, WCD Wherever Change Directory
http://www.xs4all.nl/~waterlan/

changes directory from a large tree, allowing instant jumps ( pretty handy, all shells shoudl have this, especially if you take the time to make a meaningful directory structure : just enough for some things like: program/bc audio/ipt au*/w*edit

Wcd is a program to change directory fast. It saves time typing at the keyboard. One needs to type only a part of a directory name and wcd will jump to it. By default wcd searches for a directory with a name that begins with what has been typed, but the use of wildcards is also fully supported.